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Implementing Cisco Service Provider Advanced Routing Solutions

Last Update 17 hours ago Total Questions : 269

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Question # 21

Which technique should be permitted on ASA Firewall to allow MSDP Peering?

A.

PIMv2 messages carrying MSDP messages

B.

TCP socket(s) carrying MSDP messages

C.

Multicast BGP carrying MSDP messages

D.

UDP socket(s) carrying MSDP messages

Question # 22

What is a feature of SR-PCE?

A.

It learns the topology information via OSPF or IS-IS only

B.

It learns the topology information via OSPF or IS-IS or through BGP-LS.

C.

It uses the IGP metric in its path calculations to optimize reachability.

D.

It uses the TE metric in its calculations to optimize the cumulative TE metric

Question # 23

Refer to the exhibit After recent configuration changes to a customer ' s network, a network engineer notices that R2 cannot communicate with R3 Both FastEthemet interfaces on R2 and R3 are up and configured with the correct IP addresses MD5 password configured en R2 and R3 match with no issues What is the minimum change the engineer must make to enable R2 and R3 to commu nicate and fix the problem?

A.

Configure a loopback interface on R2 and assign it to area 0.

B.

Define area 2 as a NSSA on R2 and R3

C.

Configure virtual links between RI and R3.

D.

Configure interface F0/0 on RI and R2 to be in area O.

Question # 24

What is the purpose o f the confederation identifier in a BGP confederation?

A.

It identifies the autonomous system that belongs to the confederation.

B.

It advertises routes outside of the confederation’s autonomous system.

C.

It reflects the route reflector duster ID within the confederation.

D.

It carries the AS number within the confederation s local autonomous system

Question # 25

For which reason can two devices fail to establish an OSPF neighbor relationship?

A.

The two devices have different process IDs

B.

The two devices have different network types

C.

The two devices have different router IDs

D.

The two devices have the same area ID

Question # 26

Refer to the exhibit.

Router 1 has attempted to establish a Cisco MPLS TE tunnel to router 2, but the tunnel

has failed. Which statement about this configuration is true?

A.

Router 1 must define an explicit path to router 2

B.

Router 1 and router 2 must define the RSVP bandwidth reserved on the physical interfaces

C.

Router 2 must have a tunnel interface created with router 1 as the destination

D.

Router 1 must have Cisco MPLS TE enabled on interface gigabitethernet0/1

Question # 27

Refer to the exhibit.

An engineer is addressing an IS-IS design issue which is running within the topology. All

links are running on FastEthernet, except the link between R5 and R4, which is Gigabit Ethernet. Which statement about the design is true?

A.

R4 prefer to reach R5 using R1 as the next hop

B.

All links have equal cost if the default metric is used

C.

R5 prefers to use R4 as the next hop for all routes

D.

R1 prefer to use R5 as the next hop to reach R4

Question # 28

After changing the IP address on an IOS XR router, an engineer cannot ping the new address Which step did the engineer forget to complete?

A.

commit the configuration

B.

roll back the configuration

C.

save the running configuration

D.

merge the configuration

Question # 29

STION NO: 82

Refer to the exhibit.

After maintenance to activate BGP neighbors connecting a new data center attached to R1,

L3VPN customers attached to OSPF domain 100 lost connectivity to services in OSPF 200 and OSPF 300 However Unified MPLS services within OSPF 100 remain reachable Which action must the network engineer take to resolve the outage?

A.

Reset the BGP session between R1 and R2

B.

Activate BGP neighbors between the new data center and R2 and R3

C.

Establish new MPLS LSPs from R1 to R2, R3 and R4

D.

Raise the maximum prefix limit on R2 to 1560 or more

Question # 30

What can be used to determine a path from the head-end to a tail-end router when implementing SR-TE with a head-end, with little information on the network topology?

A.

traffic controller

B.

path computation engine

C.

tail-end router

D.

SNMP server

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