Juniper JN0-663 問題集

質問 1：
What is the purpose of the duster-list attribute within a BGP route reflector group?
A. to facilitate loop detection within the route reflector network
B. to define the router that first advertised the route to the route reflector
C. to disable internal cluster re-advertisements
D. to override the router 10 value within the cluster
正解：A

質問 2：
Exhibit.

You have the LDP signaled VPLS topology as shown in the exhibit CE-B at Site-2 is multihomed to both PE-2 and PE-3 In this scenario where would you configure loop prevention?
A. CE-B
B. PE-2
C. PE-3
D. PE-1
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Which two statements about wide and narrow metrics used in IS-IS are correct? (Choose two)
A. Wide metrics are sent by default and use 24 bits in TLVs to send information.
B. Wide metrics are enabled with the wide-metrics-only parameter under protocols isis hierarchy.
C. Disabling narrow metrics results in external routes being leaked from L1 to L2 areas automatically.
D. Narrow metrics are enabled by default and use 8 bits in TLVs to send information.
正解：A,C
解説: (Topexam メンバーにのみ表示されます)

質問 4：
Exhibit.

You are troubleshooting a problem with a BGP peer where BGP routes are not being accepted from that peer Referring to the exhibit, which two statements are correct*? (Choose two )
A. You cannot have terminating actions outside of terms.
B. Term 0 is missing a route-fitter that specifies the allowed routes
C. Term 0 is missing a terminating action that allows BGP routes to be accepted
D. The reject at the end of the policy is preventing the routes from being accepted.
正解：A,D

質問 5：
Exhibit:



R4 is directly connected to both RPs (R2 and R3). R4 is currently sending all joins upstream to R3 but you want to load balance the joins between both RPs Referring to the exhibit, which configuration change will solve this issue?
A. Configure the default route in inet.2 on R4 from R3 as the next hop to both R3 and R2.
B. Configure the group-range parameter to be the same on R2 and R3
C. Configure the bootstrap priority on R2 to be the same as R3.
D. Configure the join-load-balance parameter under PIM on R4.
正解：B

質問 6：
Exhibit.
A customer wants to reduce LSP flooding in their IS-IS network
Which parameter should you change to accomplish this task?
A)

B)

C)

D)

A. Option A
B. Option C
C. Option D
D. Option B
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 7：
Exhibit.

R2 has IS-IS adjacencies with R3 and R4 You want to ensure that R2 has both a level 1 and level 2 adjacency to both R3 and R4 but R2 only has one adjacency with R4.
Referring to the exhibit, which configuration change will solve this issue?
A. Change the IS-IS area on R4 to match R2
B. Change the IS-IS area on R2 to match R4.
C. Remove the level 1 disable configuration from R4
D. Remove the level 1 disable configuration from R2
正解：A

質問 8：
What are two reasons an IBGP learned route would be hidden? (Choose two.)
A. The route has a next hop of the local routing device.
B. The route is rejected by an export policy.
C. The route is suppressed by damping.
D. The route has an empty AS path.
正解：A,C

質問 9：
Which two statements regarding ingress replication in EVPN are correct? (Choose two.)
A. Ingress replication is only supported in vrf-type routing instances.
B. Ingress replication labels are learned from remote PEs through the EVPN Type-3 route.
C. Ingress replication relies on PIM to build the multicast replication tree.
D. Ingress replication will replicate all BUM traffic to all remote PEs in the EVI.
正解：B,D