Juniper JN0-661 問題集

質問 1：
-- Exhibit -

-- Exhibit --
Click the Exhibit button.
The Client 1 router forwards a route learned from its EBGP peer to the route reflector RR1.
The route reflector forwards the route to the Client 2 router. However, the Client 2 router uses suboptimal routing to reach the EBGP route destination.
What would cause this behavior?
A. The route reflector becomes the default forwarding path for packets sent from Client 2 towards the EBGP route destination.
B. The route reflector is applying the originator ID attribute to the route.
C. The route reflector has a next-hop self policy for EBGP-learned routes.
D. The route reflector is using the no-client-reflect parameter.
正解：C

質問 2：
Your company has multiple upstream BGP connections to the Internet ISP-A, ISP-B, and ISP-C. You want to ensure that all traffic coming into your network uses ISP-A.
How would you accomplish this task?
A. Prepend your AS number on routes being advertised to ISP-B and ISP-C.
B.
C. Prepend your AS number on routes being advertised to ISP-A.
D. Change the local preference to be higher on routes being advertised to ISP-A.
E. Change the route preference to be higher on routes being advertised to ISP-B and ISP-
正解：E
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Click the Exhibit button.

AS 100 is originating and sending EBGP routes to AS 200. AS 200 is acting as a transit provider and sending those routers to AS 300. AS 200 is using the confederation topology shown in the exhibit.
What will the AS path of AS 100's routes be when they are received on the AS 300 router?
A. ({65200 65100}) 100
B. (65200 65100) 100
C. 200 (65200 65100) 100
D. 200 100
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 4：
Which two statements are true about IS-IS adjacency formation? (Choose two.)
A. Level 1 only routers always form an adjacency with Level 2 only routers.
B. For Level 2 adjacencies, area IDs must be the same.
C. For Level 1 adjacencies, area IDs must be the same.
D. Level 1 only routers never form an adjacency with Level 2 only routers.
正解：C,D
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Refer to the exhibit.

Referring to the applied drop profile shown in the exhibit, if the buffer is 30 percent full, what is the probability of traffic being dropped?
A. 30 percent
B. 50 percent
C. 25 percent
D. 75 percent
正解：C