Alcatel-Lucent 4A0-105 問題集

質問 1：
Click on the exhibit below.

Which port will become the alternate port?
A. Bridge E 1/1/3
B. Bridge E 1/1/1
C. Bridge C 1/1/2
D. Bridge D 1/1/3
E. Bridge C 2/1/1
F. Bridge B 1/1/3
G. Bridge D 1/1/1
H. Bridge B 1/1/2
正解：F

質問 2：
Two management VPLSs have been created. mVPLS 1 and mVPLS 2. Two user VPLS services exist. uVPLS 10 and uVPLS 20. What command can be used to determine which management VPLS is managing uVPLS 10?
A. show service id 1 stp or show service id 2 stp
B. show service vpls 1 stp C, showserviceid 10 stp
C. showstp 10
正解：A

質問 3：
Click on the exhibit below.

You have been requested to add load balancing across the redundant spoke-SDPs in the network shown. What further configuration is required? (Choose 2)
A. Another set of LSPs between PE1 and PE3 and between PE2 and PE4.
B. Load balancing has to be enabled within the management VPLS.
C. An additional management VPLS.
D. Another set of SDPs between PE1 and PE3 and between PE2 and PE4.
正解：C,D

質問 4：
What is the default Spanning Tree protocol used in a VPLS on the Alcatel-Lucent 7750 SR?
A. 802.1D2004
B. PVST
C. 802.1D 1998
D. comp-dot1w
正解：A

質問 5：
Which of the following statements is false?
A. VPLS is a bridged LAN service.
B. VPLS provides L2 VPN services to CEs.
C. CEs that are members of the same VPLS service instance communicate with each other as if they are connected via a bridged LAN.
D. VPLS is a point-to-point service where CEs are presented with point-to-point virtual circuits.
正解：D

質問 6：
Fill in the blank for this next sentence. Flooded traffic received on any ____________in the service is replicated to other spoke SDPs and SAPs and not transmitted on any mesh SDPs.
A. Neither (a) nor (b) will make this sentence true.
B. Mesh SDP
C. Either (a) or (b) will make this sentence true.
D. Spoke SDP
正解：B

質問 7：
What are the limitations of a traditional layer 2 switch? (Choose 3}
A. Requires layer 2 loop prevention.
B. Isolates collision domains.
C. Slow response to topology changes.
D. Limited to 4094 vlans per switch.
E. Increased flooding.
正解：A,C,D

質問 8：
Which of the following statements about Spanning Tree Protocol is true?
A. The switch with the highest MAC address always becomes the root.
B. The switch with the lowest MAC address always becomes the root.
C. The switch with the highest priority becomes the root.
D. The switch with the lowest priority becomes the root.
正解：D

質問 9：
The following question relates to this command syntax: "config>service# vpls 9000 customer 6 create". Which of the following statements are correct? (Choose 2)
A. The vc-id will be 6 for the service by default.
B. The customer-id in this command is 9000.
C. This value 9000 should be unique across the network as a best practice.
D. The egress vc-label will be 9000.
E. The service-id in this command is 9000.
正解：C,E