最新なNokia 4A0-C01問題集（850題）、真実試験の問題を全部にカバー！

質問 1：
What action does a router perform when it looks up the label of an incoming packet in its LFIB and sees that the LFIB maps to an egress label?
A. It pops the label.
B. It requests a new label from the peer that provided this label.
C. It pushes an additional label onto the label stack.
D. It signals a new label to the peer that sent the packet.
正解：A

質問 2：
Click the exhibit.

This output is from a router that is part of a 6VPE deployment using a VPRN.
Which type of router would this configuration be found on?
A. A CE router.
B. A PE router.
C. A P router.
D. Both P and PE routers.
正解：A

質問 3：
Which of the following is NOT a VPWS service supported on the Alcatel-Lucent 7750 SR?
A. Epipe
B. Ipipe
C. Fpipe
D. Cpipe
E. Gpipe
F. Apipe
正解：E

質問 4：
Which of the following SAPs will toward tagged frames but NOT untagged frames?
A. sap 1/1/1:*.0
B. sap 1/1/1:*
C. sap 1/1/1:0
D. None of the above.
E. sap 1/1/1
正解：D

質問 5：
By default, what does the Alcatel-Lucent 7750 SR do when a frame with an unknown destination address is received in a VPLS?
A. It sends the frame to the closest neighbor.
B. It floods the frame to all PEs participating in the service.
C. It sends a destination unreachable message back to the originating host.
D. It drops the frame.
正解：B

質問 6：
When IS-IS is electing a DIS, what is used as the tie breaker on an Alcatel-Lucent 7750 SR, if the priorities are the same?
A. The sequence number of the Hello packet
B. The highest interface MAC address
C. The system ID
D. The loopback address
E. The device that first initiated communication becomes the DIS
正解：B

質問 7：
What is the protocol number for OSPF in the IP header?
A. OSPF uses UDP, so the protocol number is 17.
B. OSPF has its own protocol number.
C. OSPF uses TCP, so the protocol number is 6.
D. OSPF does not use IP.
正解：B

質問 8：
A CE is connected to an IES interface.
Which of the following is TRUE?
A. The IES must include a network port.
B. The IES can only include one SAP for the CE.
C. The IES must use an IP address that is different than the CE.
D. The IES's interface must be an IGP peer with the CE.
正解：C

質問 9：
Which of the following statements is TRUE?
A. An OSPF adjacency can be established on an IES interface.
B. An IES interface supports OSPF and IS-IS in passive mode only.
C. IES allows provider MP-BGP sessions to be extended to customers.
D. An IES service must use static routes in order to communicate with customer networks.
正解：A