Juniper JN0-660 問題集

質問 1：
Click the Exhibit button.

Based on the configuration shown in the exhibit, which two statements are correct? (Choose two.)
A. The secondary path is only signaled if the primary path fails.
B. The secondary path is signaled and in standby mode.
C. The LSP will revert back to the primary path when it becomes available.
D. The LSP will not revert back to the primary path until the session is cleared.
正解：A,C

質問 2：
Click the Exhibit button.

All ISP networks shown in the exhibit contain many BGP speaking routers. You are in charge of ISP A.
You must ensure that customer Y sends their traffic to you over the directly connected link but customer Y is not used for transit into your network. What do you do to accomplish this?
A. Advertise routes to customer Y with a higher MED than routes advertised to customer X.
B. Advertise routes to customer Y with your AS number prepended four times.
C. Advertise routes to customer Y with the well-known no-export community.
D. Advertise routes to customer Y with the well-known no-advertise community.
正解：C

質問 3：
Refer to the exhibit.

You have the Layer 2 VPN configuration shown in the exhibit. You have been asked to determine the remote site ID for ge-1/0/4.512. What is the remote site ID?
A. unspecified
B. 3
C. 4
D. 1
正解：D

質問 4：
Which statement is true about ASM and/ or SSM multicast?
A. SSM does not require MSDP.
B. SSM only builds RPT trees, since the RP is replaced by an external mechanism.
C. ASM requires an external mechanism to find the source.
D. ASM and SSM for IPv6 multicast use embedded RP.
正解：A

質問 5：
-- Exhibit -

-- Exhibit --
Click the Exhibit button.
The exhibit displays an IS-IS topology and IS-IS-related outputs for R1 and R2. The IS-IS adjacencies between R2 and R3 are in the Up state, but the IS-IS adjacency between R1 and R2 does not attempt to form.
Which two actions will ensure that all IS-IS adjacencies (R1 to R2 and R2 to R3) reach and stay in the Up state? (Choose two.)
A. Enable Level 2 operations for all of R1's interfaces.
B. Change the selector value on R1 to 01.
C. Enable Level 1 operations for all of R2's interfaces.
D. Change the area ID on R2 to 49.1111.
正解：A,D

質問 6：
You are setting up MPLS RSVP LSPs between R1 and R6 through your core network. You must ensure that the R1 has redundant ERO paths. You must also ensure that both paths are signaled and ready for traffic.
Which action will accomplish these requirements?
A. Create a primary path and create a secondary path with the active parameter.
B. Create a primary path and create a secondary path with the standby parameter.
C. Create two primary paths.
D. Create a primary path and create a secondary path.
正解：B

質問 7：
Which statement is true regarding the no-propagate-ttl feature?
A. Configured only on ingress LSR
B. Configured on every LSR
C. Supported only by Junos devices
D. Supported only on RSVP LSPs
正解：B