Which of the following is used for the auto completion of CLI commands in a Nokia 7750 SR?
A. Type the first few letters of the command, then press Tab.
B. Type the first few letters of the command, then press Esc.
C. Type the first few letters of the command, then type ?.
D. Type the first few letters of the command, then press Ctrl C.
正解:A
質問 2:
Why does UDP have less overhead than TCP?
A. UDP has less overhead then TCP because there is no checksum field in UDP.
B. UDP has less overhead because it is only used for transmission of small amounts of data.
C. UDP overhead is the same as TCP because it uses the same fields in the header.
D. UDP has less overhead because there is no requirement for acknowledgment or retransmission.
正解:D
質問 3:
What is the purpose of the Data Link Layer in the OSI model?
A. The Data Link Layer is responsible for timing of the signals on the transmission media
B. The Data Link Layer is responsible for encapsulating the packet into an IP header and routing the packet.
C. The Data Link Layer is responsible for encapsulating the packet into a frame for transmission on the transmission media.
D. The Data Link Layer is responsible for formatting the packet for applications such as JPEG format.
正解:C
質問 4:
Which of the following egress interfaces is used to forward a packet with destination IP address 140.10.0.110?
A. Interface "toP1"
B. Interface "toP2"
C. Interface "toC1"
D. System interface
正解:A
質問 5:
If a 4-port LAG is configured with the option of 'port-threshold 2' and 'action down' what will happen if the total operational links in the LAG is 2?
A. If dynamic-cost is enabled it will adjust the cost for routing protocols such as OSPF.
B. The LAG will be changed to an operational state of 'down'.
C. If dynamic-cost is not enabled it will adjust the cost for routing protocols such as OSPF by dividing the link bandwidth by 2.
D. The LAG will function with only 2 ports. There will be no change to the routing metric.
正解:B
上野** -
網羅性もかなり高いですね。この4A0-100問題集を買って勉強をしようと考えました。