CCNA IP Service

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Pregunta 1 de 66

1. Pregunta
Which two security features can be configured to prevent unauthorized access into the network through a networking device? (Choose two.)
- Anti-Replay
- Traffic filtering
- Authentication
- IPSec network security
Correcto

Incorrecto
Pregunta 2 de 66

2. Pregunta
What command would be used to verify trusted DHCP ports?
- show mls qos
- show ip dhcp snooping
- show ip trust
- show ip arp trust
Correcto

Incorrecto
Pregunta 3 de 66

3. Pregunta
Which QoS Profile is selected in the GUI when configuring a voice over WLAN deployment?
- Platinum
- Bronze
- Gold
- Silver
Correcto

Incorrecto
Pregunta 4 de 66

4. Pregunta
Which two statements about NTP operations are true? (Choose two.)
- NTP uses UDP over IP.
- Cisco routers can act as both NTP authoritative servers and NTP clients.
- Cisco routers can act only as NTP servers.
- Cisco routers can act only as NTP clients.
- NTP uses TCP over IP.
Correcto

Incorrecto
Pregunta 5 de 66

5. Pregunta
Refer to the exhibit. Which feature is enabled by this configuration?
- static NAT translation
- a DHCP pool
- a dynamic NAT address pool
- PAT
Correcto

Incorrecto
Pregunta 6 de 66

6. Pregunta
Which NAT term is defined as a group of addresses available for NAT use?
- NAT pool
- dynamic NAT
- static NAT
- one-way NAT
Correcto

Incorrecto
Pregunta 7 de 66

7. Pregunta
Which statement about the nature of NAT overload is true?
- applies a one-to-many relationship to internal IP addresses
- applies a one-to-one relationship to internal IP addresses
- applies a many-to-many relationship to internal IP addresses
- can be configured only on Gigabit interface
Correcto

Incorrecto
Pregunta 8 de 66

8. Pregunta
Refer to the exhibit. An engineer configured NAT translations and has verified that the configuration is correct. Which IP address is the source IP?
- 10.4.4.4
- 10.4.4.5
- 172.23.103.10
- 172.23.104.4
Correcto

Incorrecto
Pregunta 9 de 66

9. Pregunta
Which keyword in a NAT configuration enables the use of one outside IP address for multiple inside hosts?
- source
- static
- pool
- overload
Correcto

Incorrecto
Pregunta 10 de 66

10. Pregunta
Which type of address is the public IP address of a NAT device?
- outside global
- outside local
- inside global
- inside local
- outside public
- inside public
Correcto

Incorrecto
Pregunta 11 de 66

11. Pregunta
Refer to the exhibit. Router R1 is configured with static NAT. Addressing on the router and the web server are correctly configured, but there is no connectivity between the web server and users on the Internet. What is a possible reason for this lack of connectivity?
- The router NAT configuration has an incorrect inside local address
- The inside global address is incorrect
- The NAT configuration on interface S0/0/1 is incorrect.
- Interface Fa0/0 should be configured with the command ip nat outside
Correcto

Incorrecto
Pregunta 12 de 66

12. Pregunta
An engineer is configuring NAT to translate the source subnet of 10.10.0.0/24 to any of three addresses 192.168.3.1, 192.168.3.2, 192.168.3.3. Which configuration should be used?
- Option A
- Option B
- Option C
Correcto

Incorrecto
Pregunta 13 de 66

13. Pregunta
Which command should you enter to configure a device as an NTP server?
- ntp server
- ntp peer
- ntp authenticate
- ntp master
Correcto

Incorrecto
Pregunta 14 de 66

14. Pregunta
Which two pieces of information can you determine from the output of the show ntp status command? (Choose two)
- whether the NTP peer is statically configured
- the IP address of the peer to which the clock is synchronized
- the configured NTP servers
- whether the clock is synchronized
- the NTP version number of the peer
Correcto

Incorrecto
Pregunta 15 de 66

15. Pregunta
Which two pieces of information can you determine from the output of the show ntp status command? (Choose two)
- whether the NTP peer is statically configured
- the IP address of the peer to which the clock is synchronized
- the configured NTP servers
- whether the clock is synchronized
- the NTP version number of the peer
Correcto

Incorrecto
Pregunta 16 de 66

16. Pregunta
Which two tasks must be performed to configure NTP to a trusted server in client mode on a single network device? (Choose two)
- Enable NTP authentication
- Verify the time zone
- Disable NTP broadcasts
- Specify the IP address of the NTP server
- Set the NTP server private key
Correcto

Incorrecto
Pregunta 17 de 66

17. Pregunta
What will happen if you configure the logging trap debug command on a router?
- It causes the router to send messages with lower severity levels to the syslog server
- It causes the router to send all messages with the severity levels Warning, Error, Critical, and Emergency to the syslog server
- It causes the router to send all messages to the syslog server
- It causes the router to stop sending all messages to the syslog server
Correcto

Incorrecto
Pregunta 18 de 66

18. Pregunta
If a notice-level messaging is sent to a syslog server, which event has occurred?
- A network device has restarted
- An ARP Inspection has failed
- A routing instance has flapped
- A debug operation is running
Correcto

Incorrecto
Pregunta 19 de 66

19. Pregunta
What event has occurred if a router sends a notice level message to a syslog server?
- A TCP connection has been torn down
- An ICMP connection has been built
- An interface line has changed status
- A certificate has expired
Correcto

Incorrecto
Pregunta 20 de 66

20. Pregunta
Which command must you enter to guarantee that an HSRP router with higher priority becomes the HSRP primary router after it is reloaded?
- standby 10 preempt
- standby 10 version 1
- standby 10 priority 150
- standby 10 version 2
Correcto

Incorrecto
Pregunta 21 de 66

21. Pregunta
Which command should you enter to verify the priority of a router in an HSRP group?
- show hsrp
- show sessions
- show interfaces
- show standby
Correcto

Incorrecto
Pregunta 22 de 66

22. Pregunta
Which MAC address is recognized as a VRRP virtual address?
- 0000.5E00.010a
- 0005.3711.0975
- 0000.0C07.AC99
- 0007.C070.AB01
Correcto

Incorrecto
Pregunta 23 de 66

23. Pregunta
Which two outcomes are predictable behaviors for HSRP? (Choose two)
- The two routers share a virtual IP address that is used as the default gateway for devices on the LAN
- The two routers negotiate one router as the active router and the other as the standby router
- Each router has a different IP address both routers act as the default gateway on the LAN, and traffic is load balanced between them
- The two routers synchronize configurations to provide consistent packet forwarding
- The two routed share the same IP address, and default gateway traffic is load-balanced between them
Correcto

Incorrecto
Pregunta 24 de 66

24. Pregunta
How does HSRP provide first hop redundancy?
- It load-balances traffic by assigning the same metric value to more than one route to the same destination in the IP routing table
- It load-balances Layer 2 traffic along the path by flooding traffic out all interfaces configured with the same VLAN
- It forwards multiple packets to the same destination over different routed links and data path
- It uses a shared virtual MAC and a virtual IP address to a group of routers that serve as the default gateway for hosts on a LAN
Correcto

Incorrecto
Pregunta 25 de 66

25. Pregunta
What is the primary purpose of a First Hop Redundancy Protocol?
- It allows directly connected neighbors to share configuration information
- It allows a router to use bridge priorities to create multiple loop-free paths to a single destination
- It reduces routing failures by allowing Layer 3 load balancing between OSPF neighbors that have the same link metric
- It reduces routing failures by allowing more than one router to represent itself, as the default gateway of a network
Correcto

Incorrecto
Pregunta 26 de 66

26. Pregunta
When the active router in an HSRP group fails, what router assumes the role and forwards packets?
- listening
- backup
- forwarding
- standby
Correcto

Incorrecto
Pregunta 27 de 66

27. Pregunta
What are two roles of Domain Name Services (DNS)? (Choose two)
- enables applications to identify resources by name instead of IP address
- allows a single host name to be shared across more than one IP address
- improves security by protecting IP addresses under Fully Qualified Domain Names (FQDNs)
- builds a flat structure of DNS names for more efficient IP operations
- encrypts network traffic as it travels across a WAN by default
Correcto

Incorrecto
Pregunta 28 de 66

28. Pregunta
Which command must be present in a Cisco Device configuration to enable the device to resolve an FQDN?
- ip host
- ip name-server
- ip domain-lookup
- ip domain-name
Correcto

Incorrecto
Pregunta 29 de 66

29. Pregunta
What facilitates a Telnet connection between devices by entering the device name?
- SNMP
- DNS lookup
- syslog
- NTP
Correcto

Incorrecto
Pregunta 30 de 66

30. Pregunta
How does a router behave when configured with the default DNS lookup settings, and a URL is entered on the CLI?
- prompts the user to specify the desired IP address.
- initiates a ping request to the URL.
- continuously attempts to resolve the URL until the command is cancelled.
- attempts to query a DNS server on the network.
Correcto

Incorrecto
Pregunta 31 de 66

31. Pregunta
What are two roles of Domain Name Services (DNS)? (Choose two.)
- builds a flat structure of DNS names for more efficient IP operations
- encrypts network Traffic as it travels across a WAN by default
- improves security by protecting IP addresses under Fully Qualified Domain Names (FQDNs)
- enables applications to identify resources by name instead of IP address
- allows a single host name to be shared across more than one IP address
Correcto

Incorrecto
Pregunta 32 de 66

32. Pregunta
A network administrator enters the following command on a router: logging trap 3. What are three message types that will be sent to the Syslog server? (Choose three.)
- informational
- emergency
- warning
- critical
- debug
- error
Correcto

Incorrecto
Pregunta 33 de 66

33. Pregunta
Which Cisco IOS command will indicate that interface GigabitEthernet 0/0 is configured via DHCP?
- show ip interface GigabitEthernet 0/0 dhcp
- show interface GigabitEthernet 0/0
- show ip interface dhcp
- show ip interface GigabitEthernet 0/0
- show ip interface GigabitEthernet 0/0 brief
Correcto

Incorrecto
Pregunta 34 de 66

34. Pregunta
Which command enables a router to become a DHCP client?
- ip address dhcp
- ip helper-address
- ip dhcp pool
- ip dhcp client
Correcto

Incorrecto
Pregunta 35 de 66

35. Pregunta
What are two roles of the Dynamic Host Configuration Protocol (DHCP)? (Choose two)
- The DHCP server offers the ability to exclude specific IP addresses from a pool of IP addresses
- The DHCP client can request up to four DNS server addresses
- The DHCP server assigns IP addresses without requiring the client to renew them
- The DHCP server leases client IP addresses dynamically
- The DHCP client maintains a pool of IP addresses it can assign
Correcto

Incorrecto
Pregunta 36 de 66

36. Pregunta
Refer to the exhibit. An engineer deploys a topology in which R1 obtains its IP configuration from DHCP. If the switch and DHCP server configurations are complete and correct. Which two sets of commands must be configured on R1 and R2 to complete the task? (Choose two)
- R1 (config)# interface fa0/0 –> R1 (config-if)# ip helper-address 198.51.100.100
- R2(config)# interface gi0/0 –> R2(config-if)# ip helper-address 198.51.100.100
- R1 (config)# interface fa0/0 –> R1 (config-if)# ip address dhcp –> R1 (config-if)# no shutdown
- R2(config)# interface gi0/0 –> R2(config-if)# ip address dhcp
- R1 (config)# interface fa0/0 –> R1 (config-if)# ip helper-address 192.0.2.2
Correcto

Incorrecto
Pregunta 37 de 66

37. Pregunta
Refer to the exhibit. If the network environment is operating normally, which type of device must be connected to interface FastEthernet 0/1?
ip arp inspection vlan 2-10
interface fastethernet 0/1
ip arp inspection trust
- DHCP client
- access point
- router
- PC
Correcto

Incorrecto
Pregunta 38 de 66

38. Pregunta
Which type of information resides on a DHCP server?
- a list of the available IP addresses in a pool
- a list of public IP addresses and their corresponding names
- usernames and passwords for the end users in a domain
- a list of statically assigned MAC addresses
Correcto

Incorrecto
Pregunta 39 de 66

39. Pregunta
What is a DHCP client?
- a host that is configured to request an IP address automatically
- a router that statically assigns IP addresses to hosts
- a server that dynamically assigns IP addresses to hosts
- a workstation that requests a domain name associated with its IP address
Correcto

Incorrecto
Pregunta 40 de 66

40. Pregunta
Where does the configuration reside when a helper address is configured to support DHCP?
- on the switch trunk interface.
- on the router closest to the client.
- on the router closest to the server.
- on every router along the path.
Correcto

Incorrecto
Pregunta 41 de 66

41. Pregunta
When implementing a router as a DHCP server, which two features must be configured? (Choose two)
- relay agent information
- database agent
- address pool
- smart-relay
- manual bindings
Correcto

Incorrecto
Pregunta 42 de 66

42. Pregunta
Which command must you enter to configure a DHCP relay?
- ip helper-address
- ip address dhcp
- ip dhcp relay
- ip dhcp pool
Correcto

Incorrecto
Pregunta 43 de 66

43. Pregunta
Where does a switch maintain DHCP snooping information?
- in the CAM table
- in the VLAN database
- in the DHCP binding database
- in the MAC address table
Correcto

Incorrecto
Pregunta 44 de 66

44. Pregunta
A network engineer must back up 20 network router configurations globally within a customer environment. Which protocol allows the engineer to perform this function using the Cisco IOS MIB?
- ARP
- SNMP
- SMTP
- CDP
Correcto

Incorrecto
Pregunta 45 de 66

45. Pregunta
Which function does an SNMP agent perform?
- It sends information about MIB variables in response to requests from the NMS
- It manages routing between Layer 3 devices in a network
- It coordinates user authentication between a network device and a TACACS+ or RADIUS server
- It requests information from remote network nodes about catastrophic system events
Correcto

Incorrecto
Pregunta 46 de 66

46. Pregunta
Which command must be entered when a device is configured as an NTP server?
- ntp peer
- ntp master
- ntp authenticate
- ntp server
Correcto

Incorrecto
Pregunta 47 de 66

47. Pregunta
What event has occurred if a router sends a notice level message to a syslog server?
- A certificate has expired
- An interface line has changed status
- A TCP connection has been torn down
- An ICMP connection has been built
Correcto

Incorrecto
Pregunta 48 de 66

48. Pregunta
Refer to the exhibit. An engineer configured NAT translations and has verified that the configuration is correct. Which IP address is the source IP after the NAT has taken place?
- 10.4.4.4
- 10.4.4.5
- 172.23.103.10
- 172.23.104.4
Correcto

Incorrecto
Pregunta 49 de 66

49. Pregunta
An engineer is configuring NAT to translate the source subnet of 10.10.0.0/24 to any one of three addresses: 192.168.3.1, 192.168.3.2, or 192.168.3.3. Which configuration should be used?
- enable
  
  configure terminal
  
  ip nat pool mypool 192,168.3.1 192.168.3.3 prefix-length 30
  
  access-list 1 permit 10.10.0.0 0.0.0.255
  
  ip nat outside destination list 1 pool mypool
  
  interface g1/1
  
  ip nat inside
  
  interface g1/2
  
  ip nat outside
- enable
  
  configure terminal
  
  ip nat pool mypool 192.168.3.1 192.168.3.3 prefix-length 30
  
  access-list 1 permit 10.10.0.0 0.0.0.254
  
  ip nat inside source list 1 pool mypool
  
  interface g1/1
  ip nat inside
  
  interface g1/2
  ip nat outside
- enable
  
  configure terminal
  
  ip nat pool mypool 192.168.3.1 192.168.3.3 prefix-length 30
  
  route-map permit 10.10.0.0 255.255.255.0
  
  ip nat outside destination list 1 pool mypool
  
  interface g1/1
  
  ip nat inside
  
  interface g1/2
  
  ip nat outside
- enable
  
  configure terminal
  
  ip nat pool mypool 192.168.3.1 192.168.3.3 prefix-length30
  
  access-list 1 permit 10.10.0.0 0.0.0.255
  
  ip nat inside source list 1 pool mypool
  
  interface g1/1
  
  ip nat inside
  
  interface g1/2
  
  ip nat outside
Correcto

Incorrecto

Pregunta 50 de 66

50. Pregunta

Drag and drop the SNMP components from the left onto the descriptions on the right.
Select and Place:

Ordenar elementos

MIB
SNMP trap
SNMP agent
SNMP maneger

collection of variables that can be monitored
unsolicited messege

responds to status requests and requests for information about a devise

resides on an NMS

Correcto

Incorrecto

Pregunta 51 de 66

51. Pregunta
What is a function of TFTP in network operations?
- transfers IOS images from a server to a router for firmware upgrades
- transfers a backup configuration file from a server to a switch using a username and password
- transfers a configuration files from a server to a router on a congested link
- transfers files between file systems on a router
Correcto

Incorrecto
Pregunta 52 de 66

52. Pregunta
What is a DHCP client?
- a workstation that requests a domain name associated with its IP address
- a host that is configured to request an IP address automatically
- a server that dynamically assigns IP addresses to hosts.
- a router that statically assigns IP addresses to hosts.
Correcto

Incorrecto
Pregunta 53 de 66

53. Pregunta
Where does the configuration reside when a helper address is configured lo support DHCP?
- on the router closest to the server
- on the router closest to the client
- on every router along the path
- on the switch trunk interface
Correcto

Incorrecto
Pregunta 54 de 66

54. Pregunta
When deploying syslog, which severity level logs informational messages?
- 0
- 2
- 4
- 6
Correcto

Incorrecto
Pregunta 55 de 66

55. Pregunta
Refer to the exhibit. An engineer is configuring the router to provide static NAT for the webserver. Drag and drop the configuration commands from the left onto the letters that correspond to its position in the configuration on the fight.
Select and Place:
Ordenar elementos
- ip address 172.16.1.1 255.255.255.0
- ip nat inside
- ip address 45.83.2.214 255.255.255.240
- ip nat outside
- ip nat inside sourse static tcp 172.16.1.2 80 45.83.2.214 80 extendable
- ip nat inside sourse list 1 interface s0 overload
- A
- B
- C
- D
- E
- F
Correcto

Incorrecto
Pregunta 56 de 66

56. Pregunta
Which feature or protocol determines whether the QoS on the network is sufficient to support IP services?
- LLDP
- CDP
- IP SLA
- EEM
Correcto

Incorrecto
Pregunta 57 de 66

57. Pregunta
Which two actions are performed by the Weighted Random Early Detection mechanism? (Choose two)
- It drops lower-priority packets before it drops higher-priority packets
- It can identify different flows with a high level of granularity
- It guarantees the delivery of high-priority packets
- It can mitigate congestion by preventing the queue from filling up
- It supports protocol discovery
Correcto

Incorrecto
Pregunta 58 de 66

58. Pregunta
Which two QoS tools can provide congestion management? (Choose two)
- CBWFQ
- FRTS
- CAR
- PQ
- PBR
Correcto

Incorrecto
Pregunta 59 de 66

59. Pregunta
Which option is the main function of congestion management?
- discarding excess traffic
- queuing traffic based on priority
- classifying traffic
- providing long-term storage of buffered data
Correcto

Incorrecto
Pregunta 60 de 66

60. Pregunta
What does traffic shaping do to reduce congestion in a network?
- buffers and queues packets
- buffers without queuing packets
- queues without buffering packets
- drops packets
Correcto

Incorrecto
Pregunta 61 de 66

61. Pregunta
Which feature can you implement to reserve bandwidth for VoIP calls across the call path?
- round robin
- CBWFQ
- PQ
- RSVP
Correcto

Incorrecto
Pregunta 62 de 66

62. Pregunta
What is the purpose of traffic shaping?
- be a marking mechanism that identifies different flows
- to limit the bandwidth that a flow can use to
- to provide fair queuing for buffered flows
- to mitigate delays over slow links
Correcto

Incorrecto
Pregunta 63 de 66

63. Pregunta
Which function does an SNMP agent perform?
- It sends information about MIB variables in response to requests from the NMS
- It coordinates user authentication between a network device and a TACACS+ or RADIUS server
- It requests information from remote network nodes about catastrophic system events.
- It manages routing between Layer 3 devices in a network
Correcto

Incorrecto
Pregunta 64 de 66

64. Pregunta
Order the DHCP message types as they would occur between a DHCP client and a DHCP server.
Ordenar elementos
- DHCPDISCOVER
- DHCPOFFER
- DHCPREQUEST
- DHCPACK
- first
- Second
- Third
- Fourth
Correcto

Incorrecto

Pregunta 65 de 66

65. Pregunta

Drag and drop the QoS congestion management terms from the left onto the description on the right.

Ordenar elementos

CQ
CBWFQ
PQ
WFQ
FIFO

services a specified number of bytes in one queue before continuing to the next queue

provides guaranteed bandwidth to a specified class of traffic
places packets into one of four priority-based queues
provides minimum guaranteed bandwidth to one or more flows
uses store-and-forward queuing

Correcto

Incorrecto

Pregunta 66 de 66

66. Pregunta

Drag and drop the DHCP snooping terms from the left onto the descriptions on the right.

Ordenar elementos

snooping binding database
spurious DHCP server
DHCP server
untrusted
trusted

list of hosts on the network that are unknown to the administrative domain

unknown DHCP server within an administrative domain

network component that propagates IP addresses to hosts on the network

default state of all interfaces

internal device under the control of the network administrator

Correcto

Incorrecto

CCNA IP Service

CCNA IP Service

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