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Implementing Cisco Service Provider VPN Services (300-515 SPVI) Question and Answers

Implementing Cisco Service Provider VPN Services (300-515 SPVI)

Last Update Apr 27, 2024
Total Questions : 71

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Questions 1

The network engineering group of a large ISP needs to harden the management plane of its Cisco 9000

Series ASRs. While addressing IPv6 ICMP issues, they realized they have to limit the rate at which IPv6 ICMP error messages are sent out on the network. Which command do they need to apply?

Options:

A.  

icmp ipv6 rate-limit unreachable 1000

B.  

ipv6 rate-limit 1000

C.  

icmp ipv4 rate-limit unreachable 1000

D.  

ipv6 icmp error-interval 50 20

Discussion 0
Questions 2

What do routers on the network use to avoid routing loops when OSPF is running as the PE-CE routing protocol on a service provider network?

Options:

A.  

the AS-Override feature

B.  

the DN bit with type 3, 5, or 7 LSA

C.  

the domain tag for type 2 LSA

D.  

sham links to create a super backbone over the service provider network

Discussion 0
Questions 3

What is a requirement to share VRF reachability information to all members of a VPN when using IPv6?

Options:

A.  

PE and CE routers must be running BGP as the PE-CE routing protocol

B.  

PE routers must have MPLS disabled and be running MP-BGP between all P and PE routers.

C.  

PE routers must be running MP-BGP and bgp default ipv4-unicast must be disabled

D.  

All PEs must have the same VRFs configured.

Discussion 0
Questions 4

Refer to the exhibit.

A network engineer has been called to configure the four PE devices in order to enable full communication among the four CE devices connected to them. While starting to configure, he experienced a connectivity issue. Which two tasks should the engineer perform in order to begin the process correctly? (Choose two.)

Options:

A.  

Configure PE3 to export route-targets 100:1 and 200:2.

B.  

Configure PE3 to import route-targets 100:1 and 200:2.

C.  

Configure PE4 to import route-targets 101:1 and 202:2.

D.  

Configure PE2 to export route-targets 300:3 and 400:4.

E.  

Configure PE1 to import route-targets 300:3 and 400:4.

Discussion 0
Questions 5

An engineer is investigating an MPLS LDP issue. Which command should an engineer use on a Cisco IOS XE device to display the contents of the LFIB?

Options:

A.  

show mpls forwarding-table

B.  

show mpls ldp neighbors

C.  

show mpls ldp labels

D.  

show mpls ldp bindings

Discussion 0
Questions 6

What is the primary function of a VRF on a router?

Options:

A.  

It enables the router to support multiple separate routing tables, which allows the device to handle overlapping IP addresses.

B.  

It enables a router to run BGP and a distance vector routing protocol at the same time, which allows it to serve as a VPN endpoint between remote sites.

C.  

It enables a router to configure VLANs locally, which provides segregation between networks.

D.  

It enables the router to provide faster switching through the network by using labels to identify the input and output interfaces for neighbor routers.

Discussion 0
Questions 7

Refer to the exhibit.

Which result occurs when PE1 learns a new MAC address and all three PEs are enabled with EVPN native?

Options:

A.  

A system notification is sent to the network administrator that triggers the manual configuration of the new MAC address on PE2 and PE3.

B.  

The new MAC address is sent by BGP to PE2 and PE3 as a Type 2 BGP route.

C.  

The MAC address is entered into the CAM table and is classified for use on the native VLAN

D.  

The MAC address is entered into the CAM table only if it is learned on the native VLAN.

Discussion 0
Questions 8

An engineer is trying to configure an EVPN VWPS. What is the issue with this configuration?

Options:

A.  

The member in the VPWS context should be the PE-facing interface.

B.  

The 12vpn evpn command should be instance 101.

C.  

Interface GigabitEthernet0/1/0 should not have any IP address.

D.  

The service instance and the EVPN instance are different.

Discussion 0
Questions 9

Which mechanism reduces the network flooding caused by host ARP learning behavior?

Options:

A.  

ARP suppression

B.  

storm control

C.  

root guard

D.  

BPDU guard

Discussion 0
Questions 10

Which statement describes the no bgp default route-target filter command?

Options:

A.  

Prefixes that are received with route targets and distinguisher are accepted.

B.  

Prefixes that are received with route targets and distinguisher are not accepted.

C.  

Prefixes that are received with route targets that are not imported at the PE are not accepted.

D.  

Prefixes that are received with route targets that are not imported at the PE are accepted.

Discussion 0