关于计算机网络英文试题的问题

来源：百度知道编辑：UC知道时间：2024/09/25 13:24:20

各位大虾，小弟有些计算机网络的英文试题，不太会做，请教高手
题有点多，能做出来几道算几道，谢谢！！
Question 1
In slotted ALOHA with N active nodes, the probability that no node transmits in a given slot is:
1-p
(1-p)N
(1-p)N
pN

Question 2

An ARP query packet is encapsulated in:
a link-layer frame addressed to a specific adapter
an IP datagram
a link-layer broadcast frame
none of the above

Question 3

Ethernet provides which of the following services to the network layer:
error detection
reliable data transfer
flow control
all of the above

Question 4

For Ethernet, if an adapter determines that a frame it has just received is addressed to a different adapter
it discards the frame without sending an error message to the network layer
it sends a NACK (not acknowledged frame) to the sending host
it delivers the frame to the network layer, and lets the network layer

1、(1-p)N ……这题我不太确定。
2、an IP datagram
3、all of the above
4、it discards the frame without sending an error message to the network layer
5、the adapter waits until it senses the channel idle and then begins to transmit the frame.
6、.125
7、a star topology
8、none of the above
9、all of the above
10、segment

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