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質問 1：
Click the exhibit.
A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is an Internet Service Provider (ISP). If CE1 sends an IP packet to 192.60.100.1, which of the following is FALSE?
A. CSC-PE1 pops the BGP label and pushes two labels: a VPN label and an MPLS transport label.
B. PE1 pushes an LDP transport label.
C. CSC-PE2 pops the MPLS transport label and pushes a BGP label.
D. CSC-CE2 pops the BGP label and pushes an LDP transport label.
正解：C
質問 2：
Which of the following statements relating to VPLS is false?
A. A VPLS on a single node requires a SDP.
B. A VPLS allows multiple customer sites to be connected in a single bridged domain.
C. The VPLS switches traffic based on MAC address associated to the appropriate SAP.
D. With an IP/MPLS infrastructure, service providers can provide multiple VPLS services over a common IP/MPLS infrastructure.
E. A VPLS is a multipoint Layer 2 service.
正解：A
質問 3：
Click the exhibit.
Assume all router-IDs are properly configured. Which of the following configurations is required on the Alcatel-Lucent 7750 SR router A to establish an IPv6 BGP session to router D?
A. Option C
B. Option A
C. Option D
D. Option B
正解：A
質問 4：
Click the exhibit button below. Given this scheduler-policy configuration, which of the following can be said about the scheduler called "high"? (Choose two)
A. It can allocate up to 50 Mbps of bandwidth to scheduler "low" since the bandwidth is not used by another Tier 3 scheduler.
B. It is a parent scheduler.
C. It is the top-level scheduler.
D. It can only have queues as children.
E. It is a child scheduler.
正解：B,E
質問 5：
Which of the following best describes the goal of an Extranet VPRN?
A. Reduce the number of VPRN tunnels required
B. Allow routes to be exchanged between all or selected sites of one VPRN and all or selected sites of a second VPRN
C. Simplify the administration of multiple VPRNs
D. Force all traffic in multiple VPRNs to pass through a single device
E. Allow the service provider to provide multiple VPRNs with Internet access
正解：B
質問 6：
Click the exhibit.
Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.
Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes" on router R2?
A. Option C
B. Option A
C. Option D
D. Option B
正解：B
Click the exhibit.
A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is an Internet Service Provider (ISP). If CE1 sends an IP packet to 192.60.100.1, which of the following is FALSE?
A. CSC-PE1 pops the BGP label and pushes two labels: a VPN label and an MPLS transport label.
B. PE1 pushes an LDP transport label.
C. CSC-PE2 pops the MPLS transport label and pushes a BGP label.
D. CSC-CE2 pops the BGP label and pushes an LDP transport label.
正解：C
質問 2：
Which of the following statements relating to VPLS is false?
A. A VPLS on a single node requires a SDP.
B. A VPLS allows multiple customer sites to be connected in a single bridged domain.
C. The VPLS switches traffic based on MAC address associated to the appropriate SAP.
D. With an IP/MPLS infrastructure, service providers can provide multiple VPLS services over a common IP/MPLS infrastructure.
E. A VPLS is a multipoint Layer 2 service.
正解：A
質問 3：
Click the exhibit.
Assume all router-IDs are properly configured. Which of the following configurations is required on the Alcatel-Lucent 7750 SR router A to establish an IPv6 BGP session to router D?
A. Option C
B. Option A
C. Option D
D. Option B
正解：A
質問 4：
Click the exhibit button below. Given this scheduler-policy configuration, which of the following can be said about the scheduler called "high"? (Choose two)
A. It can allocate up to 50 Mbps of bandwidth to scheduler "low" since the bandwidth is not used by another Tier 3 scheduler.
B. It is a parent scheduler.
C. It is the top-level scheduler.
D. It can only have queues as children.
E. It is a child scheduler.
正解：B,E
質問 5：
Which of the following best describes the goal of an Extranet VPRN?
A. Reduce the number of VPRN tunnels required
B. Allow routes to be exchanged between all or selected sites of one VPRN and all or selected sites of a second VPRN
C. Simplify the administration of multiple VPRNs
D. Force all traffic in multiple VPRNs to pass through a single device
E. Allow the service provider to provide multiple VPRNs with Internet access
正解：B
質問 6：
Click the exhibit.
Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.
Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes" on router R2?
A. Option C
B. Option A
C. Option D
D. Option B
正解：B
南*子 -
合格できた!ソフト版を利用して、問題をひたすら解きまくりました。内容はだんだん覚えました。
役に立ちました。ありがとうございました。