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Refer to the exhibit.

Which tree does multicast traffic follow?

A.

shared tree

A.

shared tree

Answers
B.

MDT default

B.

MDT default

Answers
C.

source tree

C.

source tree

Answers
D.

MDT voice

D.

MDT voice

Answers
Suggested answer: B

Refer to the exhibit.

After you applied these configurations to routers R1 and R2, the two devices could not form a neighbor relationship. Which reason for the problem is the most likely?

A.

The two routers cannot authenticate with one another.

A.

The two routers cannot authenticate with one another.

Answers
B.

The two routers have the same area ID.

B.

The two routers have the same area ID.

Answers
C.

The two routers have the same network ID.

C.

The two routers have the same network ID.

Answers
D.

The two routers have different IS-types.

D.

The two routers have different IS-types.

Answers
Suggested answer: C

Explanation:

For those asking about the password, area authentication doesn't prevent neighboring to come up because it is carried only in LSP, CSNP and PSNP messages and not in IIH messages.

https://www.cisco.com/c/en/us/support/docs/ip/integrated-intermediate-system-to-intermediatesystem-is-is/13792-isis-authent.html

Refer to the exhibit.

Which effect of this configuration is true?

A.

It sets the keepalive timer to 30 seconds and the hold timer to 240 seconds.

A.

It sets the keepalive timer to 30 seconds and the hold timer to 240 seconds.

Answers
B.

It sets the keepalive timer to 30 milliseconds and the hold timer to 240 milliseconds

B.

It sets the keepalive timer to 30 milliseconds and the hold timer to 240 milliseconds

Answers
C.

It sets the hold timer to 30 milliseconds and the keepalive timer to 240 milliseconds

C.

It sets the hold timer to 30 milliseconds and the keepalive timer to 240 milliseconds

Answers
D.

It sets the hold timer to 30 seconds and the keepalive timer to 240 seconds

D.

It sets the hold timer to 30 seconds and the keepalive timer to 240 seconds

Answers
Suggested answer: A

Explanation:

Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/command/irg-crbook/bgps1.html#wp1552800140

Refer to the exhibit.

A network operator is working to filter routes from being advertised that are covered under an aggregate announcement. The receiving router of the aggregate announcement block is still getting some of the more specific routes plus the aggregate. Which configuration change ensures that only the aggregate is announced now and in the future if other networks are to be added?

A.

Configure the summary-only keyword on the aggregate command

A.

Configure the summary-only keyword on the aggregate command

Answers
B.

Set each specific route in the AGGRO policy to drop instead of suppress-route

B.

Set each specific route in the AGGRO policy to drop instead of suppress-route

Answers
C.

Filter the routes on the receiving router

C.

Filter the routes on the receiving router

Answers
D.

Set each specific route in the AGGRO policy to remove instead of suppress-route

D.

Set each specific route in the AGGRO policy to remove instead of suppress-route

Answers
Suggested answer: A

Refer to the exhibit.

A network operator is getting the route for 10.11.11 0/24 from two upstream providers on #XR3. The network operator must configure #XR3 to force the 10.11.11.0/24 prefix to route via next hop of 10.0.0.9 as primary when available. Which of these can the operator use the routing policy language for, to enforce this traffic forwarding path?

A.

weight of 0 on the prefix coming from 192.168.0.2

A.

weight of 0 on the prefix coming from 192.168.0.2

Answers
B.

lower local preference on the prefix coming from 192.168.0.2

B.

lower local preference on the prefix coming from 192.168.0.2

Answers
C.

higher local preference on the prefix coming from 192.168.0.1

C.

higher local preference on the prefix coming from 192.168.0.1

Answers
D.

weight of 100 on the prefix coming from 192.168.0.1

D.

weight of 100 on the prefix coming from 192.168.0.1

Answers
Suggested answer: A

Explanation:

Because Weight is the first attribute in path selection algorithm and is 0 for eBGP routes by default. If we set it to 0, router will continue from weight to the bottom, and when comparing neighbor router IDs it will find 192.168.0.1 less than 192.168.0.2 and st path will be selected as the best

Refer to the exhibit.

After troubleshooting an OSPF adjacency issue, routers 1, 2, and 3 have formed OSPF neighbor relationships. Which statement about the configuration is true?

A.

Router 2 receives a Type 5 LSAs from router 1 for its connected subnets

A.

Router 2 receives a Type 5 LSAs from router 1 for its connected subnets

Answers
B.

Router 2 uses router 3 as the next hop for 192.168.0.0/24

B.

Router 2 uses router 3 as the next hop for 192.168.0.0/24

Answers
C.

Router 2 uses router 1 as the next hop for 192.168.0.0/24

C.

Router 2 uses router 1 as the next hop for 192.168.0.0/24

Answers
D.

Router 2 receives a Type 7 LSAs from router 3 for its connected subnets

D.

Router 2 receives a Type 7 LSAs from router 3 for its connected subnets

Answers
Suggested answer: C

Explanation:

From IOS 15.1(2)S onwards, Cisco uses the OSPF path selection order is O > O IA > N1 > E1 > N2 > E2

https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/212608-ospfexternal-path-selection-external-t.html

A network consultant is troubleshooting IS-IS instances to identify why a routing domains is having communication problems between the two instances. Which description of the possible cause of issues in the routing domain is true?

A.

The same interface cannot be advertised in two different IS-IS instances

A.

The same interface cannot be advertised in two different IS-IS instances

Answers
B.

The IS-IS “ISP” and “ISP2” instances are unrelated and unable to intercommunicate

B.

The IS-IS “ISP” and “ISP2” instances are unrelated and unable to intercommunicate

Answers
C.

The configured IS-IS NSEL value is not allowing the routing systems to establish a neighborship

C.

The configured IS-IS NSEL value is not allowing the routing systems to establish a neighborship

Answers
D.

The interface mode ip router is-is command was not included in the script

D.

The interface mode ip router is-is command was not included in the script

Answers
Suggested answer: A

Explanation:

Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_isis/configuration/xe-3s/irsxe-3s-book/irs-instance-vrf.html

What is used by SR-TE to steer traffic through the network?

A.

shortest path calculated by IGP

A.

shortest path calculated by IGP

Answers
B.

dynamic rules

B.

dynamic rules

Answers
C.

path policy

C.

path policy

Answers
D.

explicit maps

D.

explicit maps

Answers
Suggested answer: C

Explanation:

Reference: https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/segmentrouting/configuration/guide/b-seg-routing-cg-asr9k/b-seg-routing-cg-asr9k_chapter_0100.html

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

A.

The two devices have different process IDs

A.

The two devices have different process IDs

Answers
B.

The two devices have different network types

B.

The two devices have different network types

Answers
C.

The two devices have different router IDs

C.

The two devices have different router IDs

Answers
D.

The two devices have the same area ID

D.

The two devices have the same area ID

Answers
Suggested answer: B

Explanation:

Reference: https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/13699-29.html

Refer to the exhibit.

Which LSA type is indicated by this router output?

A.

type 3 LSA

A.

type 3 LSA

Answers
B.

type 4 LSA

B.

type 4 LSA

Answers
C.

type 1 LSA

C.

type 1 LSA

Answers
D.

type 2 LSA

D.

type 2 LSA

Answers
Suggested answer: C
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