Juniper JN0-363 Service Provider Routing and Switching, Specialist JNCIS-SP Exam Practice Test

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Total 82 questions
Question 1

You want to share routes between two routing instances that you have configured?

What are two ways to accomplish this task? (Choose two.)



Answer : B, D

static route with a next-hop of next-table pointing to the appropriate routing table which contains more accurate information rib-groups to mirror routing information from one route-table to another. However, in many cases, in order to make this work, interface-routes also need to be mirrored. RIB Group policy can be used to constrain the routing information instance-import and instance-export statements configured within the individual routing-instances to leak routes from one table to another. Again, policy can be used here to constrain the routing information. This method is more straightforward than the rib-group method A final approach is to use physical interfaces or logical-tunnels to stitch routing-instances and use a routing protocol or static routes across this connection between the two routing-instances.


Question 2

Which OSPF database packet determines which router is in charge of the database synchronization and the transferring of LSA headers between the two systems?



Answer : B

the Database Description (DD) packets serve two main purposes:

1. determinining which router is in charge of the database synchronization

2. tansferring the LSA headers between the two systems


Question 3

Which two steps are required to enable MPLS on a physical interface in Junos? (Choose two.)



Answer : A, D


Question 4

Referring to the exhibit, which statement is correct?



Answer : B

only 10.200.3.0/24 will be advertised. The neighbor export overrides anything at the group level and protocol level. Policies aren't additive, you can't apply all three at the same time. What if one of them rejected a prefix while the other accepted the same one? You need one to override the other


Question 5

You are bringing a new network online with three IS-IS routers using default Junos election priorities. The routers are configured as Level 2 only IS-IS routers. Which statement is true about the DIS election in this scenario?



Answer : A

A router's priority for becoming the designated router is indicated by an arbitrary number from 0 through 127, which you configure on the IS-IS interface. The router with the highest priority becomes the designated router for the area (Level 1, Level 2, or both), also configured on the IS-IS interface. If routers in the network have the same priority, then the router with the highest MAC address is elected as the designated router. By default, routers have a priority value of 64.

https://www.juniper.net/documentation/us/en/software/junos/is-is/topics/concept/routing-protocol-is-is-security-designated-router-understanding.html


Question 6

Which BGP attribute Is used to detect touting loops?



Answer : A


Question 7

Exhibit

You have configured graceful RE switchover (GRES), however you cannot complete the show system switchover command.

Referring to the exhibit, what is the problem?



Answer : B

Issue the show system switchover command only on the backup Routing Engine. This command is not supported on the primary Routing Engine because the kernel-replication process daemon does not run on the primary Routing Engine. This process runs only on the backup Routing Engine.


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Total 82 questions