JN0-349無料問題集「Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT)」

質問 1

Which two statements about the root bridge election process are correct? (Choose two.)

（A）The highest root bridge priority is preferred over lower root bridge priorities.

（B）The lowest root bridge priority is preferred over higher root bridge priorities.

（C）The highest root bridge identifier is preferred over lower root bridge identifiers.

（D）The lowest root bridge identifier is preferred over higher root bridge identifiers.

正解：B、D 解答を投票する

質問 2

You do not want any spanning tree protocols operating in your environment, and you want to ensure that no BPDUs can be introduced into the environment.
Which statement is true in this scenario?

（A）Incoming BPDUs are blocked by default if a spanning tree protocol is not operating.

（B）You can block BPDUs without running a spanning tree protocol using Layer 3 control.

（C）You must run a spanning tree protocol to block BPDUs.

（D）Incoming BPDUs can only be blocked by the root bridge.

正解：B 解答を投票する

質問 3

Click the Exhibit button.

You are attempting to set up IS-IS on a device that has two interfaces (ge-0/0/1.0 and ge-0/0/2.0) in Level 1 and one interface (ge-0/0/0.0) in Level 2; however, it does not participate in either level.
Referring to the exhibit, what is the problem?

（A）The ge-0/0/0.0 interface must have the Level 1 disable statement removed.

（B）One of the interfaces requires a network entity title on it.

（C）All of the interfaces must have the level disable statement removed.

（D）The lo0 interface must participate in both levels.

正解：D 解答を投票する

質問 4

Which two statements about OSPF not-so-stubby areas are correct? (Choose two.)

（A）The ASBR originates Type 5 LSAs for redistributed external routes.

（B）Type 7 LSAs are translated by the ABR into Type 5 LSAs.

（C）The ASBR originates Type 7 LSAs for redistributed external routes.

（D）Type 5 LSAs are translated by the ASBR into Type 7 LSAs.

正解：B、C 解答を投票する

質問 5

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

（A）options

（B）router priority

（C）neighbor

（D）hello interval

（E）dead interval

正解：C、D、E 解答を投票する

質問 6

Which two statements about a Virtual Chassis are correct? (Choose two.)

（A）Each device must be managed separately.

（B）All members in a Virtual Chassis must be running the same Junos version.

（C）You must use the same EX Series switch for all members in a Virtual Chassis.

（D）A Virtual Chassis is managed using a single virtual console port.

正解：B、D 解答を投票する

質問 7

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

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

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

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

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

正解：A、D 解答を投票する

質問 8

Click the Exhibit button.

Referring to the exhibit, Router 1 learns about Route X.
Which statement is correct about Route X when using the default BGP advertisement rules?

（A）R3 will not advertise this route to R4 or R5 without an explicit policy.

（B）R4 and R5 will not advertise this route to each other.

（C）R2 will not advertise this route to R3 without an explicit policy.

（D）R1 will not advertise this route to any peers.

正解：B 解答を投票する

質問 9

The router ID is not configured.
How does OSPFv3 determine the router ID in this situation?

（A）OSPFv3 uses the IPv4 address of the first interface that comes up.

（B）OSPFv3 uses the IPv4 address of the last interface that comes up.

（C）OSPFv3 uses the IPv6 address of the first interface that comes up.

（D）OSPFv3 uses the IPv6 address of the last interface that comes up.

正解：A 解答を投票する

質問 10

Click the Exhibit button.

You are trying to form an IS-IS adjacency between Router A and Router B, but the IS-IS adjacency will not form between the two routers.
Referring to the exhibit, which action would solve this problem?

（A）Enable IS-IS wide metrics on Router B.

（B）Enable level 2 IS-IS routing on Router B.

（C）Enable level 1 IS-IS routing on Router A.

（D）Enable IS-IS wide metrics on Router A.

正解：B 解答を投票する

JN0-349 無料問題集「Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT)」

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