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Free and Premium Juniper JN0-349 Dumps Questions Answers

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Enterprise Routing and Switching - Specialist (JNCIS-ENT) Questions and Answers

Question 1

You have an IBGP neighbor sending you routes. You need to apply a policy so it only evaluates routes being learned from this specific neighbor.

In this scenario, which statement is correct about applying the policy?

Options:

A.

The policy should be applied as an export policy to the BGP group level.

B.

The policy should be applied as an import policy to the BGP group level.

C.

The policy should be applied as an export policy to the BGP neighbor level.

D.

The policy should be applied as an import policy to the BGP neighbor level.

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Question 2

Which two statements are true about a unified in-service software upgrade (ISSU)? (Choose two.)

Options:

A.

The graceful Routing Engine switchover (GRES) and nonstop active routing (NSR) features must be enabled.

B.

It is possible to take PICs offline or bring them online during a unified ISSU.

C.

Unified ISSU is only supported by the dual Routing Engine platforms.

D.

The master Routing Engine and backup Routing Engine can be running different Junos versions before performing a unified ISSU.

Question 3

Click the Exhibit button.

Which two statements about the configuration shown in the exhibit are correct? (Choose two.)

Options:

A.

Two next-hop interfaces should appear in the routing table for the 172.20.112.0/24 prefix.

B.

Multiple equal-cost next hops are installed in the forwarding table for the 192.168.2.0/30 prefix.

C.

The route preference is the same for each static route.

D.

Only the selected next-hop interface should appear in the forwarding table for the 172.20.112.0/24 prefix.

Question 4

Exhibit.

Referring to the exhibit, Router-1 and Router-2 are failing to form an IS-IS adjacency.

What should you do to solve the problem?

Options:

A.

Remove the overloaded statement from Router-1.

B.

Change the IP subnet masks to match on the ge-0/0/2 interfaces of both routers.

C.

Remove the ISO address from ge-0/0/2 on Router-1.

D.

Change the ISO areas on the Io0 interfaces to match on both routers.

Question 5

Click the Exhibit button.

Referring to the exhibit, which set of interfaces is enabled for Ethernet switching?

Options:

A.

ge-0/0/6, ge-0/0/7, and ge-0/0/8

B.

ge-0/0/6, ge-0/0/8, and ge-0/0/10

C.

ge0/0/6, ge-0/0/7, ge-0/0/8, and ge-0/0/10

D.

ge-0/0/6 and ge-0/0/8

Question 6

Referring to the exhibit, which two statements are correct? (Choose two.)

Options:

A.

R2 and R3 can form a Level 1 IS-IS adjacency.

B.

R4 and R5 can form a Level 1 IS-IS adjacency.

C.

R1 and R5 can form a Level 1 IS-IS adjacency.

D.

R3 and R4 can form a Level 2 IS-IS adjacency.

Question 7

Which statement describes BFD?

Options:

A.

BFD rapidly detects link failures.

B.

BFD provides route loop protection.

C.

BFD provides broadcast storm protection.

D.

BFD provides high availability with multiple Routing Engines.

Question 8

Click the Exhibit button.

Referring to the exhibit, which router will be selected as the DR?

Options:

A.

R1

B.

R5

C.

R4

D.

R3

Question 9

Click the Exhibit button.

You have created a GRE tunnel as shown in the exhibit. The router with tunnel endpoint A is dropping the packets originating from User A and destined to User B.

What would cause this problem?

Options:

A.

Endpoint A has the internet-options gre-path-mtu-discovery parameter enabled.

B.

User A requested fragmentation and Endpoint A has the clear-dont-fragment-bit parameter enabled.

C.

Endpoint A is missing a policy statement that allows User A’s traffic into the tunnel.

D.

User A is sending maximum size default Ethernet frames with the DF bit enabled.

Question 10

Which three link-specific fields must match between OSPF neighbors before they form an adjacency over a broadcast medium? (Choose three.)

Options:

A.

router priority

B.

hello interval

C.

neighbor

D.

dead interval

E.

options

Question 11

What is the default route preference for BGP?

Options:

A.

150

B.

167

C.

170

D.

179

Question 12

Your BGP router receives routes from two upstream ISPs: ISP A and ISP B.

In this scenario, which change would you make to prefer routes from ISP A?

Options:

A.

Set the local-preference attribute for all routes received from ISP A to 200 while all routes received from ISP B use the default local-preference value of 100.

B.

Prepend the AS path to all routes received from ISP A while all routes received from ISP B use the default AS path value.

C.

Change the MED value for all routes received from ISP A to 1 while all routes from ISP B remain configured with no MED value.

D.

Set the local-preference attribute for all routes received from ISP A to 50 while all routes received from ISP B use the default local-preference value of 100.

Question 13

Click the Exhibit button.

Referring to the exhibit, which port on Switch-2 will be selected as the RSTP root port?

Options:

A.

ge-0/0/8.0

B.

ge-0/0/9.0

C.

ge-0/0/10.0

D.

ge-0/0/1.0

Question 14

Which two statements about Layer 2 loop prevention protocols are correct? (Choose two.)

Options:

A.

With STP, a designated port can transition to the forwarding state without waiting for the protocol times to expire.

B.

STP uses point-to-point and edge port designations.

C.

With RSTP, a designated port can transition to the forwarding state without waiting for the protocol times to expire.

D.

RSTP uses point-to-point and edge port designations.

Question 15

Which two statements about BPDU protection are correct? (Choose two.)

Options:

A.

By default, you must manually clear a BPDU error condition when using BPDU protection.

B.

BPDU protection prevents unauthorized switches from connecting to and participating in your spanning tree topology.

C.

By default, BPDU protection prevents the root bridge from communicating with other STP members unless it receives a superior BPDU first.

D.

BPDU protection requires that STP or RSTP is configured on the switch.

Question 16

Exhibit.

Referring to the exhibit, why is the route for 10.5.5.5 hidden?

Options:

A.

It is an L3VPN route.

B.

The next hop cannot be resolved.

C.

It has an invalid community.

D.

It is a Martian route.

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Total 110 questions