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Braindumps of 4A0-105
Alcatel-Lucent Virtual Private LAN Services

 

Exam Questions, Answers, Braindumps (4A0-105)
Thanks to www.exams.ws and www.examcheats.net .


QUESTION 1
Which of the following contributes to VPLS implementation over MPLS?
A. Connecting bridging-capable provider edge routers with a full mesh of MPLS LSP (label switched path) tunnels
B. Negotiating per-service VC labels using draft-Martini encapsulation
C. Replicating unknown and broadcast traffic in a service domain
D. Enabling MAC learning over tunnel and access ports
E. Using a separate forwarding information base (FIB) per VPLS service
F. All of the above
ANSWER F
QUESTION 2
Which of the following statements is false?
A. VPLS is a bridged LAN service
B. VPLS provides L2 VPN services to CEs
C. VPLS is a point-to-point service where CEs are presented with point- to-point virtual circuits
D. CEs that are members of the same VPLS service instance communicate with each other as if they are connected via a bridged LAN
ANSWER C
QUESTION 3
Which of the following functions must a PE router support when participating in a VPLS network? Choose all that apply.
A. MAC learning
B. Packet replication
C. Proxy ARP
D. Packet forwarding
E. Flood all frames with an unknown destination MAC address to all PE routers associated with that VPLS
ANSWER A, B, D, E
QUESTION 4
Select items from the list below that are required for an operational mesh-sdp binding when signaling is enabled within the SDP.
A. LDP must be enabled
B. RSVP must be enabled
C. An SDP must be configured on the far-end
D. A transport tunnel must be up in both directions
E. A transport tunnel only needs to be up in one direction
ANSWER A, C, D
QUESTION 5
Which OAM tool can be used to discover the MAC address of a CE device connected to a SAP within a VPLS service?
A. oam cpe-ping
B. oam mac-ping
C. oam mac-trace
D. oam svc-ping
ANSWER A
QUESTION 6
During the process of troubleshooting a VPLS problem the am mac-purge command with egister option was used to purge a MAC address from the FDB. Which of the following statements is true? Choose all that apply.
A. Relearning of the MAC address that was purged can only be done once customer traffic resumes
B. Relearning of the MAC address that was purged can only be done with the am mac-populate command
C. Customer traffic destined to the MAC address that was purged will be flooded until the MAC address is repopulated with the am mac-populate command
D. Customer traffic destined to the MAC address that was purged will be dropped until the until the MAC address is repopulated with the am mac-populate command
ANSWER B, C
QUESTION 7
Which of the following OAM tools can be used as a VPLS topology discovery mechanism?
A. oam mac-ping
B. oam mac-populate
C. oam svc-ping
D. oam mac-trace
ANSWER D

4A0-105


 

 

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