CCNA Network Access

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Pregunta 1 de 98

1. Pregunta

An engineer is tasked to configure a switch with port security to ensure devices that forward unicasts, multicasts, and broadcasts are unable to flood the port. The port must be configured to permit only two random MAC addresses at a time. Drag and drop the required configuration commands from the left onto the sequence on the right.

Ordenar elementos

switchport port-security

Correcto Incorrecto Correct answer

switchport mode access

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switchport port-security mac-address sticky

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switchport port-security maximum 2

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Pregunta 2 de 98

2. Pregunta

Drag and drop the WLAN components from the left onto the correct descriptions on the right.

Ordenar elementos

dynamic interface
wireless LAN controller
access point
service port
virtual interface

applied to the WLAN for wireless client communication

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device that manages access points

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device that provides Wi-Fi devices with a connection to a wired network

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used for out of band management of a WLC

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used to support mobility management of the WLC

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Pregunta 3 de 98

3. Pregunta

What occurs to frames during the process of frame flooding?

Frames are sent to all ports, including those that are assigned to other VLANs
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Frames are sent to every port on the switch that has a matching entry in MAC address table
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Frames are sent to every port on the switch in the same VLAN except from the originating port
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Frames are sent to every port on the switch in the same VLAN
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Pregunta 4 de 98

4. Pregunta

What are two functions of a Layer 2 switch? (Choose two)

makes forwarding decisions based on the MAC address of a packet
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selects the best route between networks on a WAN
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moves packets within a VLAN
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moves packets between different VLANs
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acts as a central point for association and authentication servers
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Pregunta 5 de 98

5. Pregunta

How does the dynamically-learned MAC address feature function?

It requires a minimum number of secure MAC addresses to be filled dynamically
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Switches dynamically learn MAC addresses of each connecting CAM table
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The ports are restricted and learn up to a maximum of 10 dynamically-learned addresses
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The CAM table is empty until ingress traffic arrives at each port
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Pregunta 6 de 98

6. Pregunta

Which three statements about MAC addresses are correct? (Choose three)

To communicate with other devices on a network, a network device must have a unique MAC address
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The MAC address is also referred to as the IP address
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The MAC address of a device must be configured in the Cisco IOS CLI by a user with administrative privileges
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A MAC address contains two main components, the first of which identifies the manufacturer of the hardware and the second of which uniquely identifies the hardware
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An example of a MAC address is 0A:26:B8:D6:65:90
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A MAC address contains two main components, the first of which identifies the network on which the host resides and the second of which uniquely identifies the host on the network
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Pregunta 7 de 98

7. Pregunta

For what two purposes does the Ethernet protocol use physical addresses?

to uniquely identify devices at Layer 2
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to allow communication with devices on a different network
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to differentiate a Layer 2 frame from a Layer 3 packet
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to establish a priority system to determine which device gets to transmit first
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to allow communication between different devices on the same network
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to allow detection of a remote device when its physical address is unknown
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Pregunta 8 de 98

8. Pregunta

Refer to the exhibit. Which outcome is expected when PC_A sends data to PC_B?

The source MAC address is changed.
Correcto Incorrecto Correct answer

The destination MAC address is replaced with ffff.ffff.ffff.
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The source and destination MAC addresses remain the same.
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The switch rewrites the source and destination MAC addresses with its own.
Correcto Incorrecto Correct answer

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Pregunta 9 de 98

9. Pregunta

The SW1 interface g0/1 is in the down/down state. Which two configurations are valid reasons for the interface conditions? (Choose two)

There is a duplex mismatch
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There is a speed mismatch
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There is a protocol mismatch
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The interface is shut down
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The interface is error-disabled
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Pregunta 10 de 98

10. Pregunta

What is the default behavior of a Layer 2 switch when a frame with an unknown destination MAC address is received?

The Layer 2 switch forwards the packet and adds the destination MAC address to its MAC address table.
Correcto Incorrecto Correct answer

The Layer 2 switch sends a copy of a packet to CPU for destination MAC address learning.
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The Layer 2 switch floods packets to all ports except the receiving port in the given VLAN.
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The Layer 2 switch drops the received frame.
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Pregunta 11 de 98

11. Pregunta

Which Cisco IOS Cisco Discovery Protocol (CDP) command displays the IP address of the directly connected Cisco devices?

show cdp
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show cdp devices
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show cdp traffic
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show cdp neighbors detail
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Pregunta 12 de 98

12. Pregunta

Which action is taken by a switch port enabled for PoE power classification override?

When a powered device begins drawing power from a PoE switch port a syslog message is generated
Correcto Incorrecto Correct answer

As power usage on a PoE switch port is checked data flow to the connected device is temporarily paused
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If a switch determines that a device is using less than the minimum configured power it assumes the device has failed and disconnects
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If a monitored port exceeds the maximum administrative value for power, the port is shutdown and err-disabled
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Pregunta 13 de 98

13. Pregunta

You are the network administrator for your company and have configured Cisco Discovery Protocol (CDP) in your network. You recently noticed that when devices send large numbers of CDP neighbor announcements, some devices are crashing. You decide to disable CDP on the router.

Which command should you use to achieve the objective?

no cdp run
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set cdp disable
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no cdp enable
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no cdp advertise-v2
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Pregunta 14 de 98

14. Pregunta

Which of the following accurately describes the purpose of a trunk?

A trunk is used to carry traffic for a single VLAN and is typically used between switches.
Correcto Incorrecto Correct answer

A trunk is used to carry traffic for a single VLAN and is typically used between a switch and an end-user device.
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A trunk is used to carry multiple VLANs and is typically used between switches.
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A trunk is used to carry multiple VLANs and is typically used between a switch and a server.
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Pregunta 15 de 98

15. Pregunta

Several new coverage cells are required to improve the Wi-Fi network of an organization. Which two standard designs are recommended? (Choose two.)

5GHz provides increased network capacity with up to 23 nonoverlapping channels.
Correcto Incorrecto Correct answer

5GHz channel selection requires an autonomous access point.
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Cells that overlap one another are configured to use nonoverlapping channels.
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Adjacent cells with overlapping channels use a repeater access point.
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For maximum throughput, the WLC is configured to dynamically set adjacent access points to the channel.
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Pregunta 16 de 98

16. Pregunta

Which 802.11 frame type is Association Response?

management
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protected frame
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action
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control
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Pregunta 17 de 98

17. Pregunta

Using direct sequence spread spectrum, which three 2.4-GHz channels are used to limit collisions?

5, 6, 7
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1, 2, 3
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1, 6, 11
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1, 5, 10
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Pregunta 18 de 98

18. Pregunta

A wireless administrator has configured a WLAN; however, the clients need access to a less congested 5-GHz network for their voice quality. What action must be taken to meet the requirement?

enable Band Selection
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enable DTIM
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enable RX-SOP
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enable AAA override
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Pregunta 19 de 98

19. Pregunta

What is a benefit of using a Cisco Wireless LAN Controller?

It eliminates the need to configure each access point individually.
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Central AP management requires more complex configurations.
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Unique SSIDs cannot use the same authentication method.
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It supports autonomous and lightweight APs.
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Pregunta 20 de 98

20. Pregunta

How will Link Aggregation be implemented on a Cisco Wireless LAN Controller?

The EtherChannel must be configured in "mode active".
Correcto Incorrecto Correct answer

When enabled, the WLC bandwidth drops to 500 Mbps.
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To pass client traffic, two or more ports must be configured.
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One functional physical port is needed to pass client traffic.
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Pregunta 21 de 98

21. Pregunta

What is a function of Wireless LAN Controller?

register with a single access point that controls traffic between wired and wireless endpoints
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use SSIDs to distinguish between wireless clients
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send LWAPP packets to access points
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monitor activity on wireless and wired LANs
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Pregunta 22 de 98

22. Pregunta

What benefit does controller-based networking provide versus traditional networking?

moves from a two-tier to a three-tier network architecture to provide maximum redundancy
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provides an added layer of security to protect from DDoS attacks
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allows configuration and monitoring of the network from one centralized port
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combines control and data plane functionality on a single device to minimize latency
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Pregunta 23 de 98

23. Pregunta

Which mode allows access points to be managed by Cisco Wireless LAN Controllers?

bridge
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lightweight
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mobility express
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autonomous
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Pregunta 24 de 98

24. Pregunta

Which unified access point mode continues to serve wireless clients after losing connectivity to the Cisco Wireless LAN Controller?

local
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mesh
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flexconnect
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sniffer
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Pregunta 25 de 98

25. Pregunta

Which two values or settings must be entered when configuring a new WLAN in the Cisco Wireless LAN Controller GUI? (Choose two.)

QoS settings
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IP address of one or more access points
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SSID
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profile name
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management interface settings
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Pregunta 26 de 98

26. Pregunta

How does CAPWAP communicate between an access point in local mode and a WLC?

The access point must not be connected to the wired network, as it would create a loop
Correcto Incorrecto Correct answer

The access point must be connected to the same switch as the WLC
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The access point must directly connect to the WLC using a copper cable
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The access point has the ability to link to any switch in the network, assuming connectivity to the WLC
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Pregunta 27 de 98

27. Pregunta

After you deploy a new WLAN controller on your network, which two additional tasks should you consider? (Choose two.)

deploy load balancers
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configure additional vlans
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configure multiple VRRP groups
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deploy POE switches
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configure additional security policies
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Pregunta 28 de 98

28. Pregunta

What is a difference between local AP mode and FlexConnect AP mode?

Local AP mode creates two CAPWAP tunnels per AP to the WLC
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Local AP mode causes the AP to behave as if it were an autonomous AP
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FlexConnect AP mode fails to function if the AP loses connectivity with the WLC
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FlexConnect AP mode bridges the traffic from the AP to the WLC when local switching is configured
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Pregunta 29 de 98

29. Pregunta

Refer to the exhibit. Which VLAN ID is associated with the default VLAN in the given environment?

VLAN 1
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VLAN 5
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VLAN 10
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VLAN 20
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Pregunta 30 de 98

30. Pregunta

Refer to the exhibit. Which password must an engineer use to enter the enable mode?

adminadmin123
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cisco123
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default
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testing1234
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Pregunta 31 de 98

31. Pregunta

Refer to the exhibit. After the switch configuration, the ping test fails between PC A and PC B. Based on the output for switch 1, which error must be corrected?

The PCs are in the incorrect VLAN.
Correcto Incorrecto Correct answer

All VLANs are not enabled on the trunk.
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Access mode is configured on the switch ports.
Correcto Incorrecto Correct answer

There is a native VLAN mismatch.
Correcto Incorrecto Correct answer

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Pregunta 32 de 98

32. Pregunta

Which mode must be used to configure EtherChannel between two switches without using a negotiation protocol?

active
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on
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auto
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desirable
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Pregunta 33 de 98

33. Pregunta

Refer to the exhibit. Based on the LACP neighbor status, in which mode is the SW1 port channel configured?

mode on
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active
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passive
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auto
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Pregunta 34 de 98

34. Pregunta

Two switches are connected and using Cisco Dynamic Trunking Protocol. SW1 is set to Dynamic Auto and SW2 is set to Dynamic Desirable. What is the result of this configuration?

The link becomes an access port.
Correcto Incorrecto Correct answer

The link is in an error disabled state.
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The link is in a down state.
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The link becomes a trunk port.
Correcto Incorrecto Correct answer

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Pregunta 35 de 98

35. Pregunta

Refer to the exhibit. The network administrator wants VLAN 67 traffic to be untagged between Switch 1 and Switch 2 while all other VLANs are to remain tagged. Which command accomplishes this task?

switchport access vlan 67
Correcto Incorrecto Correct answer

switchport trunk allowed vlan 67
Correcto Incorrecto Correct answer

switchport private-vlan association host 67
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switchport trunk native vlan 67
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Pregunta 36 de 98

36. Pregunta

Refer to the exhibit. Which action do the switches take on the trunk link?

The trunk does not form, and the ports go into an err-disabled status.
Correcto Incorrecto Correct answer

The trunk forms, but the mismatched native VLANs are merged into a single broadcast domain.
Correcto Incorrecto Correct answer

The trunk forms, but VLAN 99 and VLAN 999 are in a shutdown state.
Correcto Incorrecto Correct answer

The trunk does not form, but VLAN 99 and VLAN 999 are allowed to traverse the link.
Correcto Incorrecto Correct answer

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Pregunta 37 de 98

37. Pregunta

Refer to the exhibit. Which action is expected from SW1 when the untagged frame is received on the GigabitEthernet0/1 interface?

The frame is processed in VLAN 5
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The frame is processed in VLAN 11
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The frame is processed in VLAN 1
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The frame is dropped
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Pregunta 38 de 98

38. Pregunta

Refer to the exhibit. An administrator is tasked with configuring a voice VLAN. What is the expected outcome when a Cisco phone is connected to the GigabitEthernet 3/1/4 port on a switch?

interface GigabitEthernet3/1/4

switchport voice vlan 50

The phone and a workstation that is connected to the phone do not have VLAN connectivity.
Correcto Incorrecto Correct answer

The phone sends and receives data in VLAN 50, but a workstation connected to the phone sends and receives data in VLAN 1.
Correcto Incorrecto Correct answer

The phone sends and receives data in VLAN 50, but a workstation connected to the phone has no VLAN connected.
Correcto Incorrecto Correct answer

The phone and a workstation that is connected to the phone send and receive data in VLAN 50.
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 39 de 98

39. Pregunta

When configuring an EtherChannel bundle, which mode enables LACP only if a LACP device is detected?

Passive
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Desirable
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On
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Auto
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Active
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Pregunta 40 de 98

40. Pregunta

Which two VLAN IDs indicate a default VLAN? (Choose two.)

0
Correcto Incorrecto Correct answer

1
Correcto Incorrecto Correct answer

1005
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1006
Correcto Incorrecto Correct answer

4096
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Pregunta 41 de 98

41. Pregunta

Refer to the exhibit. How will switch SW2 handle traffic from VLAN 10 on SW1?

It sends the traffic to VLAN 10.
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It sends the traffic to VLAN 100.
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It drops the traffic.
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It sends the traffic to VLAN 1.
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Pregunta 42 de 98

42. Pregunta

Which two commands can you use to configure an actively negotiate EtherChannel? (Choose two.)

channel-group 10 mode on
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channel-group 10 mode auto
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channel-group 10 mode passive
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channel-group 10 mode desirable
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channel-group 10 mode active
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Pregunta 43 de 98

43. Pregunta

How does STP prevent forwarding loops at OSI Layer 2?

TTL
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MAC address forwarding
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Collision avoidance
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Port blocking
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Pregunta 44 de 98

44. Pregunta

Which type does a port become when it receives the best BPDU on a bridge?

The designated port
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The backup port
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The alternate port
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The root port
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Pregunta 45 de 98

45. Pregunta

Which value can you modify to configure a specific interface as the preferred forwarding interface?

The interface number
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The port priority
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The VLAN priority
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The hello time
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Correcto

Incorrecto
Pregunta 46 de 98

46. Pregunta

Refer to exhibit. Which action do the switches take on the trunk link?

The trunk does not form and the ports go into an err-disabled status
Correcto Incorrecto Correct answer

The trunk forms but the mismatched native VLANs are merged into a single broadcast domain
Correcto Incorrecto Correct answer

The trunk does not form, but VLAN 99 and VLAN 999 are allowed to traverse the link
Correcto Incorrecto Correct answer

The trunk forms but VLAN 99 and VLAN 999 are in a shutdown state
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 47 de 98

47. Pregunta

Refer to the exhibit.

frame from VLAN1 of switch S1 is sent to switch S2 where the frame received on VLAN2. What causes this behavior?

trunk mode mismatches
Correcto Incorrecto Correct answer

VLANs that do not correspond to a unique IP subnet
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native vlan mismatches
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allowing only vlan 2 on the destination
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Incorrecto
Pregunta 48 de 98

48. Pregunta

Refer to the exhibit.

A network administrator is configuring an EtherChannel between SW1 and SW2. The SW1 configuration is shown. What is the correct configuration for SW2?

interface FastEthernet 0/1 channel-group 1 mode active switchport trunk encapsulation dot1q switchport mode trunk ! interface FastEthernet 0/2 channel-group 1 mode active switchport trunk encapsulation dot1q switchport mode trunk
Correcto Incorrecto Correct answer

interface FastEthernet 0/1 channel-group 2 mode auto switchport trunk encapsulation dot1q switchport mode trunk ! interface FastEthernet 0/2 channel-group 2 mode auto switchport trunk encapsulation dot1q switchport mode trunk
Correcto Incorrecto Correct answer

interface FastEthernet 0/1 channel-group 1 mode desirable switchport trunk encapsulation dot1q switchport mode trunk ! interface FastEthernet 0/2 channel-group 1 mode desirable switchport trunk encapsulation dot1q switchport mode trunk
Correcto Incorrecto Correct answer

interface FastEthernet 0/1 channel-group 1 mode passive switchport trunk encapsulation dot1q switchport mode trunk ! interface FastEthernet 0/2 channel-group 1 mode passive switchport trunk encapsulation dot1q switchport mode trunk
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 49 de 98

49. Pregunta

Refer to the exhibit. An administrator is tasked with configuring a voice VLAN. What is the expected outcome when a Cisco phone is connected to the GigabitEthernet 3/1/4 port on a switch?

The phone and a workstation that is connected to the phone do not have VLAN connectivity.
Correcto Incorrecto Correct answer

The phone sends and receives data in VLAN 50, but a workstation connected to the phone sends and receives data in VLAN 1.
Correcto Incorrecto Correct answer

The phone sends and receives data in VLAN 50, but a workstation connected to the phone has no VLAN connected.
Correcto Incorrecto Correct answer

The phone and a workstation that is connected to the phone send and receive data in VLAN 50.
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 50 de 98

50. Pregunta

Refer to the exhibit. What commands are needed to add a subinterface to Ethernet0/0 on R1 to allow for VLAN 20, with IP address 10.20.20.1/24?

R1 (config)#interface ethernet0/0 R1 (config)#encapsulation dot1q 20 R1(config)#ip address 10.20.20.1 255.255.255.0
Correcto Incorrecto Correct answer

R1 (config)#interface ethernet0/0.20 R1 (config)#encapsulation dot1q 20 R1(config)#ip address 10.20.20.1 255.255.255.0
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R1 (config)#interface ethernet0/0.20 R1(config)#ip address 10.20.20.1 255.255.255.0
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R1 (config)#interface ethernet0/0 R1(config)#ip address 10.20.20.1 255.255.255.0
Correcto Incorrecto Correct answer

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Pregunta 51 de 98

51. Pregunta

Refer to the exhibit. Which outcome is expected when PC_A sends data to PC_B?

The switch rewrites the source and destination MAC addresses with its own
Correcto Incorrecto Correct answer

The source and destination MAC addresses remain the same
Correcto Incorrecto Correct answer

The source MAC address is changed
Correcto Incorrecto Correct answer

The destination MAC address is replaced with ffff.ffff.ffff
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 52 de 98

52. Pregunta

Refer to the exhibit. A network administrator assumes a task to complete the connectivity between PC A and the File Server. Switch A and Switch B have been partially configured with VLANs 10, 11, 12 and 13. What is the next step in the configuration?

Add PC A to the same subnet as the File Server allowing for intra-VLAN communication
Correcto Incorrecto Correct answer

Add PC A to VLAN 10 and the File Server to VLAN 11 for VLAN segmentation
Correcto Incorrecto Correct answer

Add a router on a stick between Switch A and Switch B allowing for inter-VLAN routing
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Add VLAN 13 to the trunk links on Switch A and Switch B for VLAN propagation
Correcto Incorrecto Correct answer

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Incorrecto
Pregunta 53 de 98

53. Pregunta

An engineer must establish a trunk link between two switches. The neighboring switch is set to trunk or desirable mode. What action should be taken?

configure switchport nonegotiate
Correcto Incorrecto Correct answer

configure switchport mode dynamic desirable
Correcto Incorrecto Correct answer

configure switchport mode dynamic auto
Correcto Incorrecto Correct answer

configure switchport trunk dynamic desirable
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 54 de 98

54. Pregunta

An engineer must configure interswitch VLAN communication between a Cisco switch and a third-party switch. Which action should be taken?

configure IEEE 802.1P
Correcto Incorrecto Correct answer

configure IEEE 802.1Q
Correcto Incorrecto Correct answer

configure ISL
Correcto Incorrecto Correct answer

configure DSCP
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 55 de 98

55. Pregunta

Refer to the exhibit. What two conclusions should be made about this configuration? (Choose two)

The designated port is FastEthernet 2/1
Correcto Incorrecto Correct answer

This is a root bridge
Correcto Incorrecto Correct answer

The spanning-tree mode is Rapid PVST+
Correcto Incorrecto Correct answer

The spanning-tree mode is PVST+
Correcto Incorrecto Correct answer

The root port is FastEthernet 2/1
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 56 de 98

56. Pregunta

Refer to the exhibit. Which switch in this configuration will be elected as the root bridge?

SW1: 0C:E0:38:00:36:75
SW2: 0C:0E:15:22:05:97
SW3: 0C:0E:15:1A:3C:9D
SW4: 0C:E0:18:A1:B3:19

SW1
Correcto Incorrecto Correct answer

SW2
Correcto Incorrecto Correct answer

SW3
Correcto Incorrecto Correct answer

SW4
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 57 de 98

57. Pregunta

Refer to the exhibit. Which switch becomes the root bridge?

S1
Correcto Incorrecto Correct answer

S2
Correcto Incorrecto Correct answer

S3
Correcto Incorrecto Correct answer

S4
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 58 de 98

58. Pregunta

Which state does the switch port move to when PortFast is enabled?

learning
Correcto Incorrecto Correct answer

forwarding
Correcto Incorrecto Correct answer

blocking
Correcto Incorrecto Correct answer

listening
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 59 de 98

59. Pregunta

Which of the following are port roles in the Rapid Spanning Tree Protocol (RSTP)? (Choose three.)

Alternate
Correcto Incorrecto Correct answer

Listening
Correcto Incorrecto Correct answer

Routing
Correcto Incorrecto Correct answer

Designated
Correcto Incorrecto Correct answer

Backup
Correcto Incorrecto Correct answer

Blocking
Correcto Incorrecto Correct answer

Discarding
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 60 de 98

60. Pregunta

Refer to the exhibit. What two conclusions should be made about this configuration? (Choose two.)

The root port is FastEthernet 2/1
Correcto Incorrecto Correct answer

The designated port is FastEthernet 2/1
Correcto Incorrecto Correct answer

The spanning-tree mode is PVST+
Correcto Incorrecto Correct answer

This is a root bridge
Correcto Incorrecto Correct answer

The spanning-tree mode is Rapid PVST+
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 61 de 98

61. Pregunta

What is the primary effect of the spanning-tree portfast command?

It immediately enables the port in the listening state.
Correcto Incorrecto Correct answer

It immediately puts the port into the forwarding state when the switch is reloaded.
Correcto Incorrecto Correct answer

It enables BPDU messages.
Correcto Incorrecto Correct answer

It minimizes spanning-tree convergence time.
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 62 de 98

62. Pregunta

Which result occurs when PortFast is enabled on an interface that is connected to another switch?

Root port choice and spanning tree recalculation are accelerated when a switch link goes down.
Correcto Incorrecto Correct answer

After spanning tree converges, PortFast shuts down any port that receives BPDUs.
Correcto Incorrecto Correct answer

VTP is allowed to propagate VLAN configuration information from switch to switch automatically.
Correcto Incorrecto Correct answer

Spanning tree may fail to detect a switching loop in the network that causes broadcast storms.
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 63 de 98

63. Pregunta

Which configuration ensures that the switch is always the root for VLAN 750?

Switch(config)#spanning-tree vlan 750 priority 38418607
Correcto Incorrecto Correct answer

Switch(config)#spanning-tree vlan 750 priority 0
Correcto Incorrecto Correct answer

Switch(config)#spanning-tree vlan 750 root primary
Correcto Incorrecto Correct answer

Switch(config)#spanning-tree vlan 750 priority 614440
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 64 de 98

64. Pregunta

What criteria is used first during the root port selection process?

lowest neighbor’s port ID
Correcto Incorrecto Correct answer

lowest path cost to the root bridge
Correcto Incorrecto Correct answer

lowest neighbor’s bridge ID
Correcto Incorrecto Correct answer

local port ID
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 65 de 98

65. Pregunta

Which spanning-tree enhancement avoids the learning and listening states and immediately places ports in the forwarding state?

BPDUfilter
Correcto Incorrecto Correct answer

BPDUguard
Correcto Incorrecto Correct answer

Backbonefast
Correcto Incorrecto Correct answer

PortFast
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 66 de 98

66. Pregunta

When using Rapid PVST+, which command guarantees the switch is always the root bridge for VLAN 200?

spanning-tree vlan 200 priority 38572422
Correcto Incorrecto Correct answer

spanning-tree vlan 200 priority 614440
Correcto Incorrecto Correct answer

spanning-tree vlan 200 priority 0
Correcto Incorrecto Correct answer

spanning-tree vlan 200 root primary
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 67 de 98

67. Pregunta

Refer to the exhibit.

After the election process what is the root bridge in the HQ LAN?

Switch 1
Correcto Incorrecto Correct answer

Switch 2
Correcto Incorrecto Correct answer

Switch 3
Correcto Incorrecto Correct answer

Switch 4
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 68 de 98

68. Pregunta

Which two statements about EtherChannel technology are true? (Choose two)

EtherChannel provides increased bandwidth by bundling existing FastEthernet or Gigabit Ethernet interfaces into a single EtherChannel
Correcto Incorrecto Correct answer

STP does not block EtherChannel links
Correcto Incorrecto Correct answer

You can configure multiple EtherChannel links between two switches, using up to a limit of sixteen physical ports
Correcto Incorrecto Correct answer

EtherChannel does not allow load sharing of traffic among the physical links within the EtherChannel
Correcto Incorrecto Correct answer

EtherChannel allows redundancy in case one or more links in the EtherChannel fail
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 69 de 98

69. Pregunta

Refer to the exhibit.

Which two commands were used to create port channel 10? (Choose two)

interface range g0/0-1

channel-group 10 mode active

Correcto Incorrecto Correct answer

interface range g0/0-1

channel-group 10 mode desirable

Correcto Incorrecto Correct answer

interface range g0/0-1

channel-group 10 mode passive

Correcto Incorrecto Correct answer

interface range g0/0-1

channel-group 10 mode auto

Correcto Incorrecto Correct answer

interface range g0/0-1

channel-group 10 mode on

Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 70 de 98

70. Pregunta

Which two command sequences must you configure on a switch to establish a Layer 3 EtherChannel with an open-standard protocol? (Choose two)

interface GigabitEthernet0/0/1 channel-group 10 mode active
Correcto Incorrecto Correct answer

interface GigabitEthernet0/0/1 channel-group 10 mode auto
Correcto Incorrecto Correct answer

interface GigabitEthernet0/0/1 channel-group 10 mode on
Correcto Incorrecto Correct answer

interface port-channel 10 no switchport ip address 172.16.0.1 255.255.255.0
Correcto Incorrecto Correct answer

interface port-channel 10 switchport switchport mode trunk
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 71 de 98

71. Pregunta

Which statement about Cisco Discovery Protocol is true?

It is a Cisco-proprietary protocol.
Correcto Incorrecto Correct answer

It runs on the network layer.
Correcto Incorrecto Correct answer

It can discover information from routers, firewalls, and switches.
Correcto Incorrecto Correct answer

It runs on the physical layer and the data link layer.
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 72 de 98

72. Pregunta

What are two reasons a network administrator would use CDP? (Choose two.)

to verify the type of cable interconnecting two devices
Correcto Incorrecto Correct answer

to determine the status of network services on a remote device
Correcto Incorrecto Correct answer

to obtain VLAN information from directly connected switches
Correcto Incorrecto Correct answer

to verify Layer 2 connectivity between two devices when Layer 3 fails
Correcto Incorrecto Correct answer

to obtain the IP address of a connected device in order to telnet to the device
Correcto Incorrecto Correct answer

to determine the status of the routing protocols between directly connected routers
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 73 de 98

73. Pregunta

Which two pieces of information about a Cisco device can Cisco Discovery Protocol communicate? (Choose two.)

the native VLAN
Correcto Incorrecto Correct answer

the trunking protocol
Correcto Incorrecto Correct answer

the VTP domain
Correcto Incorrecto Correct answer

the spanning-tree priority
Correcto Incorrecto Correct answer

the spanning tree protocol
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 74 de 98

74. Pregunta

How can the Cisco Discovery Protocol be used?

to allow a switch to discover the devices that are connected to its ports
Correcto Incorrecto Correct answer

to determine the hardware platform of the device
Correcto Incorrecto Correct answer

to determine the IP addresses of connected Cisco devices
Correcto Incorrecto Correct answer

all of the above
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 75 de 98

75. Pregunta

Refer to the exhibit. Which command provides this output?

show ip route
Correcto Incorrecto Correct answer

show ip interface
Correcto Incorrecto Correct answer

show interface
Correcto Incorrecto Correct answer

show cdp neighbor
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 76 de 98

76. Pregunta

In a CDP environment, what happens when the CDP interface on an adjacent device is configured without an IP address?

CDP operates normally, but it cannot provide any information for that neighbor.
Correcto Incorrecto Correct answer

CDP operates normally, but it cannot provide IP address information for that neighbor.
Correcto Incorrecto Correct answer

CDP uses the IP address of another interface for that neighbor.
Correcto Incorrecto Correct answer

CDP becomes inoperable on that neighbor.
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 77 de 98

77. Pregunta

Which command should you enter to configure an LLDP delay time of 5 seconds?

lldp reinit 5
Correcto Incorrecto Correct answer

lldp reinit 5000
Correcto Incorrecto Correct answer

lldp holdtime 5
Correcto Incorrecto Correct answer

lldp timer 5000
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 78 de 98

78. Pregunta

Which command is used to enable LLDP globally on a Cisco IOS ISR?

lldp run
Correcto Incorrecto Correct answer

lldp enable
Correcto Incorrecto Correct answer

lldp transmit
Correcto Incorrecto Correct answer

cdp run
Correcto Incorrecto Correct answer

cdp enable
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 79 de 98

79. Pregunta

Which statement about LLDP is true?

It is a Cisco proprietary protocol.
Correcto Incorrecto Correct answer

It is configured in global configuration mode.
Correcto Incorrecto Correct answer

The LLDP update frequency is a fixed value.
Correcto Incorrecto Correct answer

It runs over the transport layer.
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 80 de 98

80. Pregunta

Which command is used to specify the delay time in seconds for LLDP to initialize on any interface?

lldp timer
Correcto Incorrecto Correct answer

lldp holdtime
Correcto Incorrecto Correct answer

lldp reinit
Correcto Incorrecto Correct answer

lldp tlv-select
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 81 de 98

81. Pregunta

A network engineer must create a diagram of a multivendor network. Which command must be configured on the Cisco devices so that the topology of the network can be mapped?

Device(Config)#lldp run
Correcto Incorrecto Correct answer

Device(Config)#cdp run
Correcto Incorrecto Correct answer

Device(Config-if)#cdp enable
Correcto Incorrecto Correct answer

Device(Config)#flow-sampler-map topology
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 82 de 98

82. Pregunta

An engineer needs to configure LLDP to send the port description time length value (TLV).

What command sequence must be implemented?

switch#lldp port-description
Correcto Incorrecto Correct answer

switch(config)#lldp port-description
Correcto Incorrecto Correct answer

switch(config-line)#lldp port-description
Correcto Incorrecto Correct answer

switch(config-if)#lldp port-description
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 83 de 98

83. Pregunta

Refer to exhibit. How does SW2 interact with other switches in this VTP domain?

It processes VTP updates from any VTP clients on the network on its access ports
Correcto Incorrecto Correct answer

It receives updates from all VTP servers and forwards all locally configured VLANs out all trunk ports.
Correcto Incorrecto Correct answer

It forwards only the VTP advertisements that it receives on its trunk ports
Correcto Incorrecto Correct answer

It transmits and processes VTP updates from any VTP Clients on the network on its trunk ports
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 84 de 98

84. Pregunta

Which statement about VLAN configuration is true?

The switch must be in VTP server or transparent mode before you can configure a VLAN
Correcto Incorrecto Correct answer

The switch must be in config-vlan mode before you configure an extended VLAN
Correcto Incorrecto Correct answer

Dynamic inter-VLAN routing is supported on VLAN2 through VLAN 4064
Correcto Incorrecto Correct answer

A switch in VTP transparent mode save the VLAN databases to the running configuration only
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 85 de 98

85. Pregunta

What are two benefits of using VTP in a switching environment? (Choose two.)

It allows switches to read frame tags.
Correcto Incorrecto Correct answer

It allows ports to be assigned to VLANs automatically.
Correcto Incorrecto Correct answer

It maintains VLAN consistency across a switched network.
Correcto Incorrecto Correct answer

It allows frames from multiple VLANs to use a single interface.
Correcto Incorrecto Correct answer

It allows VLAN information to be automatically propagated throughout the switching environment.
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 86 de 98

86. Pregunta

Which three statements are typical characteristics of VLAN arrangements? (Choose three.)

A new switch has no VLANs configured.
Correcto Incorrecto Correct answer

A new switch has no VLANs configured.
Correcto Incorrecto Correct answer

VLANs typically decrease the number of collision domains.
Correcto Incorrecto Correct answer

Each VLAN uses a separate address space.
Correcto Incorrecto Correct answer

A switch maintains a separate bridging table for each VLAN.
Correcto Incorrecto Correct answer

VLANs cannot span multiple switches.
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 87 de 98

87. Pregunta

On a corporate network, hosts on the same VLAN can communicate with each other, but they are unable to communicate with hosts on different VLANs. What is needed to allow communication between the VLANs?

a router with subinterfaces configured on the physical interface that is connected to the switch
Correcto Incorrecto Correct answer

a router with an IP address on the physical interface connected to the switch
Correcto Incorrecto Correct answer

a switch with an access link that is configured between the switches
Correcto Incorrecto Correct answer

a switch with a trunk link that is configured between the switches
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 88 de 98

88. Pregunta

Refer to the exhibit. What two conclusions should be made about this configuration? (Choose two.)

The root port is FastEthernet 2/1
Correcto Incorrecto Correct answer

The designated port is FastEthernet 2/1
Correcto Incorrecto Correct answer

The spanning-tree mode is PVST+
Correcto Incorrecto Correct answer

This is a root bridge
Correcto Incorrecto Correct answer

The spanning-tree mode is Rapid PVST+
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 89 de 98

89. Pregunta

An engineer must configure interswitch VLAN communication between a Cisco switch and a third-party switch. Which action should be taken?

configure DSCP
Correcto Incorrecto Correct answer

configure IEEE 802.1q
Correcto Incorrecto Correct answer

configure ISL
Correcto Incorrecto Correct answer

configure IEEE 802.1p
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 90 de 98

90. Pregunta

An engineer requires a switch interface to actively attempt to establish a trunk link with a neighbor switch. What command must be configured?

switchport mode trunk
Correcto Incorrecto Correct answer

switchport mode dynamic desirable
Correcto Incorrecto Correct answer

switchport nonegotiate
Correcto Incorrecto Correct answer

switchport mode dynamic auto
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 91 de 98

91. Pregunta

Refer to the exhibit. An engineer must configure GigabitEthernet1/1 to accommodate voice and data traffic. Which configuration accomplishes this task?

interface gigabitethernet1/1 switchport mode access switchport access vlan 300 switchport voice vlan 400
Correcto Incorrecto Correct answer

interface gigabitethernet1/1 switchport mode trunk switchport trunk vlan 300 switchport trunk vlan 400
Correcto Incorrecto Correct answer

interface gigabitethernet1/1 switchport mode access switchport voice vlan 300 switchport access vlan 400
Correcto Incorrecto Correct answer

interface gigabitethernet1/1 switchport mode trunk switchport trunk vlan 300 switchport voice vlan 400
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 92 de 98

92. Pregunta

Which protocol does an access point use to draw power from a connected switch?

Internet Group Management Protocol
Correcto Incorrecto Correct answer

Cisco Discovery Protocol
Correcto Incorrecto Correct answer

Adaptive Wireless Path Protocol
Correcto Incorrecto Correct answer

Neighbor Discovery Protocol
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 93 de 98

93. Pregunta

Refer to the exhibit. Which switch in this configuration will be elected as the root bridge?

SW1: 0C:E0:38:41:86:07 –

SW2: 0C:0E:15:22:05:97 –

SW3: 0C:0E:15:1A:3C:9D –

SW4: 0C:E0:18:A1:B3:19 –

SW1
Correcto Incorrecto Correct answer

SW2
Correcto Incorrecto Correct answer

SW3
Correcto Incorrecto Correct answer

SW4
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 94 de 98

94. Pregunta

A Cisco IP phone receive untagged data traffic from an attached PC. Which action is taken by the phone?

It allows the traffic to pass through unchanged
Correcto Incorrecto Correct answer

It drops the traffic
Correcto Incorrecto Correct answer

It tags the traffic with the default VLAN
Correcto Incorrecto Correct answer

It tags the traffic with the native VLAN
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 95 de 98

95. Pregunta

A device detects two stations transmitting frames at the same time. This condition occurs after the first 64 bytes of the frame is received interface counter increments?

collision
Correcto Incorrecto Correct answer

runt
Correcto Incorrecto Correct answer

CRC
Correcto Incorrecto Correct answer

late collision
Correcto Incorrecto Correct answer

Correcto

Incorrecto
Pregunta 96 de 98

96. Pregunta

Which technology must be implemented to configure network device monitoring with the highest security?

SNMPv3
Correcto Incorrecto Correct answer

IP SLA
Correcto Incorrecto Correct answer

NetFlow
Correcto Incorrecto Correct answer

syslog
Correcto Incorrecto Correct answer

Correcto

Incorrecto