Alcatel-Lucent 4A0-103 問題集

質問 1：
On a point-to-point link, two directly connected routers set different interface hello timeout values. Router R1 uses 15 seconds, while router R2 uses 30 seconds. What happens to the LDP adjacency?
A. The adjacency times out after 30 seconds
B. The adjacency forms with the higher timeout value
C. The "show router Idp session" command output displays the adjacency in state "init"
D. The adjacency forms with the lower timeout value
正解：D

質問 2：
Click on the exhibit.

An LSP path is established on router R1 toward router R6. After router R4 detects that the link between routers R4 and R6 goes down, which of the following will affect the failure propagation time?
A. The time router R4 takes to send a RESV Error message to the head-end router.
B. The time router R4 takes to detect RSVP Hello message timeout from router R6.
C. The time router R1 takes to signal an alternate path through router R3.
D. The time router R4 takes to send a PATH Error message toward the head-end router.
正解：D

質問 3：
A router has two admin groups defined (GREEN=1 and RED=3). An interface is associated to both admin groups. What value will be shown in the Admin Group sub-TLV for this interface?
A. 0x10
B. 0xa
C. 0x4
D. 0x5
正解：B

質問 4：
Click on the exhibit.

All links have 1Gbps unreserved bandwidth initially and Shared Explicit reservation style is used. After the LSP's primary and standby secondary paths are signaled, how much unreserved bandwidth is left on the links?
A. R1-R2 will have 300Mbps left and R2-R4 will have 600Mbps left.
B. R1-R2 will have 300Mbps left and R2-R4 will have 400Mbps left.
C. R1-R2 will have 600Mbps left and R2-R4 will have 600Mbps left.
D. R1-R2 will have 400Mbps left and R2-R4 will have 400Mbps left.
正解：C

質問 5：
Which of the following is a function of the control plane in an MPLS router?
A. Pushing a label on an unlabeled packet
B. Label allocation
C. Label swapping
D. Routing lookups
正解：B