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Cisco 300-510 - Implementing Cisco Service Provider Advanced Routing Solutions

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Total 214 questions

Refer to the exhibit.

Router 1 has established an SR-TE tunnel with router 2. Which statement describes this

configuration?

A.

Router 1 has a list of labels used to explicitly lay out a path to router 2.

B.

Router 1 and router 2 have a bidirectional tunnel set up with dynamic path selection.

C.

Router 1 is the head-end tunnel and has dynamically chosen a path to router 2.

D.

Router 2 is the head-end tunnel and has explicitly set a path to router 1.

Refer to the exhibit.

A network engineer implemented this segment routing configuration. Which statement

about the output is true?

A.

This range conflicts with the segment routing local block range.

B.

The device must be reloaded for these ranges to be allocated and used.

C.

The default segment routing global block range is being used on this device.

D.

A nondefault segment routing global block range is being used on this device.

ION NO: 86

Refer to the exhibit.

A regional service provider provides connectivity for several midsize businesses that run mission-critical applications between multiple offices connected via PE 1 and PE2 Links throughout the service provider network are connected using shared resources and an SR-TE tunnel is in use to route traffic over different paths depending on congestion policies The networking team must implement SR updates to reduce downtime in the event of a link failure. Which action must the team take to meet the requirements?

A.

Implement SRLG protection to identify a post-convergence backup path

B.

Implement BGP timers to support immediate reconvergence when the BGP neighbor relationship status changes.

C.

Implement targeted LDP neighbors to prevent unwanted LDP relationships from forming

D.

Implement VRFs to segment the network and avoid large-scale network outages when a link fails

Refer to the exhibit.

A network engineer must enable segment routing between the three autonomous systems with these requirements:

·OSPF link-state data for area 0 routers must be distributed to the controller via BGP LS.

·EPE must be enabled on the egress node in AS 100.

·Routers must advertise peer node SIDs to the controller R1 via BGP LS.

Which configuration must the engineer apply?

A)

B)

C)

D)

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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

Refer to the exhibit Reuters R2. R3, R4 and R5 all reside in the same area, with R1 in a different area R3 is overutilized and the engineer wants to reduce its CPU load The engineer configured router R4 to summarize routes that it receives from R5. but R3 is still receiving all of the R5 routes. Which action resolves the issue?

A.

Configure R3 in a new area

B.

Configure R2 as a Level 1 router

C.

Configure the summary routes on R5

D.

Configure R4 as a Level I-Level 2 router

An engineer is working to implement segment routing protocol on the customer's core network. Which step should the engineer take before the segment routing is enabled and is running with BGP?

A.

Segment routing must be configured with ISIS.

B.

Segment routing must be configured with EIGRP.

C.

Explicit-null must be configured for all neighbors.

D.

MPLS must be configured.

Refer to the exhibit.

ISP_1 uses eBGP for connection to all clients LDP with OSPF and IS-IS is used in the ISP_1 network Client_A and Client_B are in the same VRF_VoD. After oftware upgrade on all routers on the ISP_1 network, Client_A has lost the connection to Client_C. A network engineer must troubleshoot the connection from R1 to R4 via M. After initial checks, the engineer confirmed that all routes are installed correctly. Which two tasks must the engineer perform to correct the problem? (Choose two.)

A.

Configure next-hop-self under the BGP configuration on R42.

B.

Configure mpls label implicit-null under the global configuration on R31.

C.

Configure next-hop-unchanged under the BGP configuration on R31.

D.

Configure ip cef under the global configuration on R31.

E.

Configure send-label under the BGP configuration on R42

An engineer configured OSPF on all routers in the data center in the same exchange as other routers Layer 2 connectivity was established. Now, the engineer plans to implement BFD to detect failures in the forwarding path. Which action must the engineer take?

A.

Configure BFD on any one of the routers

B.

Configure IS-IS routing before implementing BFD.

C.

Configure BFD between each adjacent router

D.

Configure CEF before implementing BFD

Which two characteristics unique to SSM when compared to ASM are true? (Choose two.)

A.

It uses SPT switchover

B.

It uses (*,G) exclusively

C.

It uses IGMPv3

D.

It uses RP

E.

It uses (S,G) exclusively