JN0-351 Exam Training Practice Tests (Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT))]

Question 1

What are two interarea OSPF LSA types? (Choose two.)

A. Type 3 summary LSAs B. Type 2 network LSAs C. Type 4 ASBR summary LSAs D. Type 1 router LSAs

Correct Answer: A,C

Question 2

Which three actions are required for filter-based forwarding? (Choose three.)

A. Create a forwarding option for load balancing. B. Create routing instances for individual destinations. C. Create routing policies for source addresses. D. Create a firewall filter to match desired traffic. E. Create a RIB group for next-hop entries.

Correct Answer: C,D,E

Question 3

Which statement is true about IP-IP tunnels?

A. The time-to-live value of the original packet is decremented. B. The packet header is replaced before entering the tunnel. C. The packet is encapsulated unchanged before entering the tunnel. D. IP-IP tunnels are protocol agnostic.

Correct Answer: D

Question 4

You have configured a GRE interface, but no traffic will flow.
Referring to the exhibit, which statement is true?

A. The unit number cannot be 0. B. The source and destination addresses cannot have the same third octet. C. The gr-1/2/0 interface is an invalid GRE interface. D. The IP subnet mask cannot be a /32.

Correct Answer: D

Question 5

Which two statements are correct about VRRP? (Choose two.)

A. The virtual IP address must match on all participating devices B. The VRRP group number must match on all participating devices C. The virtual IP address must be unique on all participating devices D. The VRRP group number must be unique on all participating devices

Correct Answer: A,B

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Question 6

Which two statements are true about an EX2300 device? (Choose two.)

A. By default, trunk ports can carry untagged traffic. B. By default, all switch ports are associated with the default VLAN. C. By default, all switch ports are trunk ports. D. By default, all switch ports are access ports.

Correct Answer: B,D

Question 7

You are receiving multiple BGP routes from an upstream neighbor and only want to advertise a single summarized prefix to your internal OSPF neighbors. This route should only be advertised when you are receiving these BGP routes from this neighbor.
In this scenario, which type of route should you create?

A. static route using the resolve feature B. aggregate route C. generate route D. static route using qualified next hops

Correct Answer: C

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Question 8

Your network has two ISPs available. You want to ensure that all outbound traffic is routed out ISP-1. If the connection to ISP-1 fails, all outbound traffic is routed to the backup ISP, ISP-2. In this scenario, how should you configure BGP on your network?

A. Configure the gateway for ISP-1 with a higher peer ID than the gateway for ISP-2. B. Set the local-preference attribute to a higher value for ISP-2 than ISP-1. C. Set the local-preference attribute to a higher value for ISP-1 than ISP-2. D. Configure the gateway for ISP-1 with a higher origin code than the gateway for ISP-2.

Correct Answer: C

Question 9

You have DHCP snooping enabled but no entries are automatically created in the snooping database for an interface on your EX Series switch. What are two reasons for the problem?
(Choose two.)

A. MAC limiting is enabled on the interface. B. Dynamic ARP inspection is enabled on the interface. C. The device that is connected to the interface has a static IP address. D. The device that is connected to the interface has performed a DHCPRELEASE.

Correct Answer: C,D

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Question 10

After receiving a BGP route, which two conditions are verified by the receiving router to ensure that the received route is valid? (Choose two)

A. The AS-path length is greater than 0. B. The next hop is reachable. C. The local preference is greater than 0. D. The loops do not exist.

Correct Answer: B,D

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Question 11

What are two purposes of an aggregate route? (Choose two.)

A. to allow external peers to see internal routes B. to decrease the number of route advertisements C. to increase the number of route advertisements D. to hide internal routes from external peers

Correct Answer: B,D

Question 12

Which OSPF packet type is sent when an OSPF router detects its database is stale?

A. link-state acknowledgment B. database description C. hello D. link-state request

Correct Answer: D

Question 13

R1 has a BGP session with a router that has a peer autonomous system number of 64501. It is exchanging routes, and is advertising those routes to IBGP peers. The downstream IBGP peers, however, cannot pass traffic to the advertised networks.
Referring to the exhibit, which configuration change must occur to solve this problem?

A. The BGP group ext-64501 must include the export next-hop-selfpolicy. B. The BGP group ext-64501 must include the import next-hop-selfpolicy. C. The BGP group int-64503 must include the import next-hop-selfpolicy. D. The BGP group int-64503 must include the export next-hop-selfpolicy.

Correct Answer: D

Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) - JN0-351 Exam Practice Test