计算机网络英语第二章,计算机网络英文题库(附答案)chapter2.doc -ag凯发k8国际

计算机网络英文题库(附答案)chapter2计算机网络英文题库(附答案)chapter2

chapter 2 application layer

1. in the following four descriptions, which one is correct?

a in c/s architecture, clients communicate with each other directly.

b in c/s architecture, client has a fixed well-known address.

c in p2p architecture, peers communicate with each other directly.

d in p2p architecture, peer has a fixed well-known address.

2. in the context of a communication session between a pair of process, the process that initiates the communication is labeled as the , the process that waits to be contacted to begin the session is labeled as the .

a client process, server process b sending process, receiving process

c input process, output process d communicating process, connecting process

3. a socket is the interface between within a host.

a the network layer and the link layer

b the link layer and the physical layer

c the application layer and the transport layer

d the transport layer and the network layer

4. in the following applications, which one is a loss-tolerant application?

a e-mail b file transfer c instant messaging d real-time audio

5. in the following applications, which one is a bandwidth-sensitive application?

a e-mail b web application c real-time audio d file transfer

6. the service of tcp can’t guarantee .

a delivery of all data without error b delivery of all data in the proper order

c the rate of delivery d congestion control

7. in the following applications, which one uses udp?

a e-mail b web application c file transfer d dns

8. in the following descriptions about http, which one is not correct?

a http uses non-persistent connections in its default mode.

b http uses tcp as its underlying transport protocol.

c http is a stateless protocol.

d http is client-server architecture.

9. suppose a web page consists of a base html file, 5 jepg images and a java applet, and also suppose http uses pe

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