Alcatel-Lucent 4A0-103 問題集

質問 1：
An Alcatel-Lucent 7750 SR label switches a packet it receives. The packet has an outer label TTL of 250 and an inner label TTL of 251. Which of the following is TRUE?
A. The outer label TTL will be 251 and the inner label TTL will be 252.
B. The outer label TTL will be 249 and the inner label TTL will be 251.
C. The outer label TTL will be 251 and the inner label TTL will be 251.
D. The outer label TTL will be 249 and the inner label TTL will be 250.
正解：B

質問 2：
Fill in the blanks: The device at the beginning of an LSP is referred to as the_________, and the device at the end of an LSP is referred to as the___________.
A. iLER, eLER
B. P, PE
C. eLER, iLER
D. PE, P
E. LER,LSR
F. LSR,LER
正解：A

質問 3：
Which of the following statements is true of an established LDP session?
A. It uses a TCP connection with an arbitrary port number.
B. It uses a UDP connection with well known port number 646.
C. It uses a UDP connection with an arbitrary port number.
D. It uses a TCP connection with well known port number 646.
正解：D

質問 4：
Click on the exhibit button below.

Which fields in this output uniquely identify the RSVP session belonging to a single LSP? (Choose three)
A. Tunnel ID
B. Name
C. LSP ID
D. To
正解：A,B,C

質問 5：
Which of the following about IS-IS Traffic Engineering on an Alcatel-Lucent 7750 SR is FALSE?
A. Traffic engineering is required for constraint-based LSPs.
B. Traffic engineering must be enabled on all IP/MPLS routers along the LSP path.
C. Traffic engineering information is stored in the opaque database,
D. Traffic engineering information is carried in the extended TLVs.
正解：C