计算机网络英文题库(附答案)chapter.docVIP

. PAGE . 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