Presencial-Virtualization CCNP ENCOR 350-401

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Pregunta 1 de 40

1. Pregunta
What is an emulated machine that has dedicated compute, memory, and storage resources and a fully installed operating system?
- Mainframe
- Host
- Virtual machine
- Container
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Pregunta 2 de 40

2. Pregunta
What are two benefits of virtualizing the server with the use of VMs in a data center environment? (Choose two.)
- Reduced rack space, power, and cooling requirements
- Smaller Layer 2 domain
- Increased security
- Speedy deployment
- Reduced IP and MAC address requirements
Correcto

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Pregunta 3 de 40

3. Pregunta
What is a Type 1 hypervisor?
- Runs directly on a physical server and depends on a previously installed operating system
- Runs directly on a physical server and includes its own operating system
- Runs on a virtual server and depends on an already installed operating system
- Run on a virtual server and includes its own operating system
Correcto

Incorrecto
Pregunta 4 de 40

4. Pregunta
Which two entities are Type 1 hypervisors? (Choose two.)
- Oracle VM VirtualBox
- Microsoft Hyper-V
- VMware server
- VMware ESXi
- Microsoft Virtual PC
Correcto

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Pregunta 5 de 40

5. Pregunta
Which statement explains why Type 1 hypervisor is considered more efficient than Type2 hypervisor?
- Type 1 hypervisor is the only type of hypervisor that supports hardware acceleration techniques.
- Type 1 hypervisor relies on the existing OS of the host machine to access CPU, memory, storage, and network resources.
- Type 1 hypervisor runs directly on the physical hardware of the host machine without relying on the underlying OS.
- Type 1 hypervisor enables other operating systems to run on it.
Correcto

Incorrecto
Pregunta 6 de 40

6. Pregunta
Which statement describes the IP and MAC allocation requirements for virtual machines on type 1 hypervisors?
- Each virtual machine requires a unique IP and MAC addresses to be able to reach to other nodes
- Each virtual machine requires a unique IP address but shares the MAC address with the physical server
- Each virtual machines requires a unique IP address but shares the MAC address with the address of the physical server
- Each virtual machine requires a unique MAC address but shares the IP address with the physical server
Correcto

Incorrecto
Pregunta 7 de 40

7. Pregunta
A server running Linux is providing support for virtual machines along with DNS and DHCP services for a small business. Which technology does this represent?
- Container
- Type 1 hypervisor
- Hardware pass-through
- Type 2 hypervisor
Correcto

Incorrecto
Pregunta 8 de 40

8. Pregunta
Which statement describes the IP and MAC allocation requirements for virtual machines on Type 1 hypervisors?
- Virtual machines do not require a unique IP or unique MAC. They share the IP and MAC address of the physical server.
- Each virtual machine requires a unique IP address but shares the MAC address with the physical server.
- Each virtual machine requires a unique IP and MAC addresses to be able to reach to other nodes.
- Each virtual machine requires a unique MAC address but shares the IP address with the physical server.
Correcto

Incorrecto
Pregunta 9 de 40

9. Pregunta
Which element enables communication between guest VMs within a virtualized environment?
- Hypervisor
- Virtual router
- VSwitch
- PNIC
Correcto

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Pregunta 10 de 40

10. Pregunta
What are two reasons why broadcast radiation is caused in the virtual machine environment? (Choose two.)
- VSwitch must interrupt the server CPU to process the broadcast packet.
- The Layer 2 domain can be large in virtual machine environments.
- Virtual machines communicate primarily through broadcast mode.
- Communication between vSwitch and network switch is broadcast based.
- Communication between vSwitch and network switch is multicast based.
Correcto

Incorrecto
Pregunta 11 de 40

11. Pregunta
What is a benefit of using a Type 2 hypervisor instead of a Type 1 hypervisor?
- Ability to operate on hardware that is running other OSs
- Improved security because the underlying OS is eliminated
- Improved density and scalability
- Better application performance
Correcto

Incorrecto
Pregunta 12 de 40

12. Pregunta
Which two actions provide controlled Layer 2 network connectivity between virtual machines running on the same hypervisor? (Choose two)
- Use a single trunk link to an external Layer2 switch
- Use a virtual switch provided by the hypervisor
- Use VXLAN fabric after installing VXLAN tunnelling drivers on the virtual machines
- Use a single routed link to an external router on stick
- Use a virtual switch running as a separate virtual machine
Correcto

Incorrecto
Pregunta 13 de 40

13. Pregunta
A customer has deployed an environment with shared storage to allow for the migration of virtual machines between servers with dedicated operating systems that provide the virtualization platform. What is this operating system described as?
- Hosted virtualization
- Type 1 hypervisor
- Container oriented
- Decoupled
Correcto

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Pregunta 14 de 40

14. Pregunta
Which configuration allows Customer2 hosts to access the FTP server of Customer1 that has the IP address of 192.168.1.200?
- Ip route vrf Customer1 172.16.1.0 255.255.255.0 172.16.1.1 globalIp route vrf Customer2 192.168.1.200 255.255.255.255 192.168.1.1 globalIp route 192.168.1.0 255.255.255.0 Vlan10Ip route 172.16.1.0 255.255.255.0 Vlan20
- Ip route vrf Customer1 172.16.1.0 255.255.255.0 172.16.1.1 Customer2 Ip route vrf Customer2 192.168.1.200 255.255.255.255 192.168.1.1 Customer1
- Ip route vrf Customer1 172.16.1.0 255.255.255.0 172.16.1.1 Customer1 Ip route vrf Customer2 192.168.1.200 255.255.255.255 192.168.1.1 Customer2
- Ip route vrf Customer1 172.16.1.1 255.255.255.255 172.16.1.1 globalIp route vrf Customer2 192.168.1.200 255.255.255.0 192.168.1.1 globalIp route 192.168.1.0 255.255.255.0 Vlan10Ip route 172.16.1.0 255.255.255.0 Vlan20
Correcto

Incorrecto
Pregunta 15 de 40

15. Pregunta
Refer to the exhibit. A network engineer must simplify the IPsec configuration by enabling IPsec over GRE using IPsec profiles. Which two configuration changes accomplish this? (Choose two).
- Create an IPsec profile, associate the transform-set ACL, and apply the profile to the tunnel interface.
- Apply the crypto map to the tunnel interface and change the tunnel mode to tunnel mode ipsec ipv4.
- Remove all configuration related to crypto map from R1 and R2 and eliminate the ACL.
- Create an IPsec profile, associate the transform-set, and apply the profile to the tunnel interface.
- Remove the crypto map and modify the ACL to allow traffic between 10.10.0.0/24 to 10.20.0.0/24.
Correcto

Incorrecto
Pregunta 16 de 40

16. Pregunta
Which TCP setting is tuned to minimize the risk of fragmentation on a GRE/IP tunnel?
- MSS
- MTU
- MRU
- window size
Correcto

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Pregunta 17 de 40

17. Pregunta
Which two GRE features are configured to prevent fragmentation? (Choose two.)
- TCP window size
- IP MTU
- TCP MSS
- DF bit clear
- MTU ignore
Correcto

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Pregunta 18 de 40

18. Pregunta
Which LISP device is responsible for publishing EID-to-RLOC mappings for a site?
- ETR
- MR
- ITR
- MS
Correcto

Incorrecto
Pregunta 19 de 40

19. Pregunta
What is the main function of VRF-lite?
- To allow devices to use labels to make Layer 2 Path decisions
- To segregate multiple routing tables on a single device
- To connect different autonomous systems together to share routes
- To route IPv6 traffic across an IPv4 backbone
Correcto

Incorrecto
Pregunta 20 de 40

20. Pregunta
Which statement about route targets is true when using VRF-Lite?
- Route targets control the import and export of routes into a customer routing table.
- When BGP is configured, route targets are transmitted as BGP standard communities
- Route targets allow customers to be assigned overlapping addresses.
- Route targets uniquely identify the customer routing table.
Correcto

Incorrecto
Pregunta 21 de 40

21. Pregunta
Assuming that R1 is a CE router, which VRF is assigned to Gi0/0 on R1?
- Default VRF
- VRF VPN_A
- VRF VPN_B
- Management VRF
Correcto

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Pregunta 22 de 40

22. Pregunta
Refer to the exhibit. An engineer must assign an IP address of 192.168.1.1/24 to the GigabitEthernet1 interface. Which two commands must be added to the existing configuration to accomplish this task? (Choose two.)
- Router(config-if)#ip address 192.168.1.1 255.255.255.0
- Router(config-vrf)#address-family ipv4
- Router(config-vrf)#ip address 192.168.1.1 255.255.255.0
- Router(config-if)#address-family ipv4
- Router(config-vrf)#address-family ipv6
Correcto

Incorrecto
Pregunta 23 de 40

23. Pregunta
Refer to the exhibit. You have just created a new VRF on PE3. You have enabled debug ip bgp vpnv4 unicast updates on PE1, and you can see the route in the debug, but not in the BGP VPNv4 table. Which two statements are true? (Choose two)
- VPNv4 is not configured between PE1 and PE3
- Address-family ipv4 vrf is not configured on PE3
- After you configure route-target import 999:999 for a VRF on PE3, the route will be accepted
- PE1 will reject the route due to automatic route filtering
- After you configure route-target import 999:999 for a VRF on PE1, the route will be accepted
Correcto

Incorrecto
Pregunta 24 de 40

24. Pregunta
Which two statements about VRF-lite are true? (Choose two)
- It can increase the packet switching rate
- It supports most routing protocols, including EIGRP, ISIS, and OSPF
- It supports MPLS-VRF label exchange and labeled packets
- It should be used when a customer’s router is connected to an ISP over OSPF
- It can support multiple customers on a single switch
Correcto

Incorrecto
Pregunta 25 de 40

25. Pregunta
Which LISP infrastructure device provides connectivity between non-LISP sites and LISP sites by receiving non-LISP traffic with a LISP site destination?
- PITR
- Map resolver
- Map server
- PETR
Correcto

Incorrecto
Pregunta 26 de 40

26. Pregunta
Into which two pieces of information does the LISP protocol split the device identity? (Choose two)
- Routing Locator
- Endpoint Identifier
- Resource Location
- Enterprise Identifier
- LISP ID
- Device ID
Correcto

Incorrecto
Pregunta 27 de 40

27. Pregunta
Refer to the exhibit. Which LISP component do routers in the public IP network use to forward traffic between the two networks?
- EID
- RLOC
- Map server
- Map resolver
Correcto

Incorrecto
Pregunta 28 de 40

28. Pregunta
Which two namespaces does the LISP network architecture and protocol use? (Choose two.)
- TLOC
- RLOC
- DNS
- VTEP
- EID
Correcto

Incorrecto
Pregunta 29 de 40

29. Pregunta
Which two LISP infrastructure elements are needed to support LISP to non -LISP internetworking?
- PETR
- PITR
- MR
- MS
- ALT
Correcto

Incorrecto
Pregunta 30 de 40

30. Pregunta
What is the purpose of the LISP routing and addressing architecture?
- It creates head-end replication used to deliver broadcast and multicast frames to the entire network.
- It allows LISP to be applied as a network visualization overlay though encapsulation.
- It allows multiple instances of a routing table to co-exist within the same router.
- It creates two entries for each network node, one for its identity and another for its location on the network
Correcto

Incorrecto
Pregunta 31 de 40

31. Pregunta
What it the purpose of the LISP routing and addressing architecture?
- It creates two entries for each network node, one for its identity and another for its location on the network.
- It allows LISP to be applied as a network virtualization overlay though encapsulation.
- It allows multiple instances of a routing table to co-exist within the same router.
- It creates head-end replication used to deliver broadcast and multicast frames to the entire network.
Correcto

Incorrecto
Pregunta 32 de 40

32. Pregunta
Which technology does VXLAN use to provide segmentation for Layer 2 and Layer 3 traffic?
- Bridge domain
- VLAN
- VNI
- VRF
Correcto

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Pregunta 33 de 40

33. Pregunta
Which statement about VXLAN is true?
- VXLAN encapsulates a Layer 2 frame in an IP-UDP header, which allows Layer 2 adjacency across router boundaries.
- VXLAN uses the Spanning Tree Protocol for loop prevention.
- VXLAN extends the Layer 2 Segment ID field to 24-bits, which allows up to 4094 unique Layer 2 segments over the same network.
- VXLAN uses TCP as the transport protocol over the physical data center network.
Correcto

Incorrecto
Pregunta 34 de 40

34. Pregunta
Which action is a function of VTEP in VXLAN?
- Tunneling traffic from IPv6 to IPv4 VXLANs
- Allowing encrypted communication on the local VXLAN Ethernet segment
- Encapsulating and de-encapsulating VXLAN Ethernet frames
- Tunneling traffic from IPv4 to IPv6 VXLANs
Correcto

Incorrecto
Pregunta 35 de 40

35. Pregunta
What function does VXLAN perform in an SD-Access deployment?
- Policy plane forwarding
- Control plane forwarding
- Data plane forwarding
- Systems management and orchestration
Correcto

Incorrecto
Pregunta 36 de 40

36. Pregunta
Which entity is responsible for maintaining Layer 2 isolation between segments in a VXLAN environment?
- Switch fabric
- Host switch
- VTEP
- VNID
Correcto

Incorrecto
Pregunta 37 de 40

37. Pregunta
Refer to the exhibit. A network engineer configures a GRE tunnel and enters the show interface tunnel command. What does the output confirm about the configuration?
- The keepalive value is modified from the default value.
- The physical interface MTU is 1476 bytes.
- The tunnel mode is set to the default.
- Interface tracking is configured.
Correcto

Incorrecto
Pregunta 38 de 40

38. Pregunta
MTU has been configured on the underlying physical topology, and no MTU command has been configured on the tunnel interfaces.

What happens when a 1500-byte IPv4 packet traverses the GRE tunnel from host X to host Y, assuming the DF bit is cleared?
- The packet is discarded on router B
- The packet arrives on router C without fragmentation
- The packet arrives on router C fragmented
- The packet is discarded on router A
Correcto

Incorrecto

Pregunta 39 de 40

39. Pregunta

DRAG DROP –
Drag and drop the LISP components from the left onto the functions they perform on the right. Not all options are used.
Select and Place:

Ordenar elementos

LISP map resolver
LISP proxy ETR
LISP ITR
LISP map server

Accepts LISP encapsulated map requests

receives traffic from LISP sites and sends it to non-LISP sites

LISP router reflector
receives packets fron site-facing interfaces
learns of EID prefix mappng entries from an ETR

Correcto

Incorrecto

Pregunta 40 de 40

40. Pregunta

Drag and drop the LIPS components on the left to the correct description on the right.

Ordenar elementos

EID
map server
ETR

IPv4 or IPv6 address of an endpoint within a LISP site

network infraestructure componets that learns of EID-prefix mapping entries from an ETR

de-encapsulates LISP packets coming from outside of the LISP site to destinations inside of the site

Correcto

Incorrecto