10-11d1xqr計算機網絡復習題及答案(編輯修改稿)

　

【文章內容簡介】 ections in its default mode. uses TCP as its underlying transport protocol. is a stateless protocol. is clientserver architecture. a web page consists of a base HTML file,5 JEPG images and a java applet,and also suppose HTTP uses persistent connection without pipelining,the total response time is . RTT HTTP response message, if the requested HTTP protocol version is not supported, the status code is . port number of web application is . network entity that satisfies HTTP requests on the behalf of an origin web server is . farm stack server server the following descriptions about persistent connection, which one is not correct? server leaves the TCP connection open after sending a response. TCP connection is closed after the server sending one object. are two versions of persistent connection: without pipelining and with pipelining. default mode of HTTP uses persistent connection with pipelining. uses two parallel TCP connections to transfer a file, there are . connection and data connection connection and sending connection connection and sever connection connection and process connection the following descriptions about FTP, which one is correct? is p2p architecture. sends its control information outofband. uses persistent connection. is a stateless protocol. the mands of FTP, which one does not have parameter? Internet mail system has three ponents which they are . agent, SMTP, POP3 , POP3, IMAP agent, SMTP, IMAP agent, SMTP, mail server the status code in HTTP response message is 404, it means . succeeded. requested document doesn’t exit on this server. is a generic error code indicating that the request could not be understood by the server. object has been permanently mover. HTTP with SMTP, the correct is . is a push protocol, and SMTP is a pull protocol. the default mode, both of them use persistent connection. places all of the message’s objects into one message, and SMTP sends every object one by one. requires each message to be in 7bit ASCII format, and SMTP doesn’t impose this restriction. headers in the MIME message must include except . version the following protocol, which one is stateless? means . Name System National System Name System National System are three classes of DNS server except . DNS server DNS server server DNS server provides some services except . aliasing server aliasing distribution single point of failure are three architectures for locating content in P2P file sharing, KaZaA uses . Directory Flooding Heterogeneity Priorities are three architectures for locating content in P2P file sharing, Napster uses . Directory Flooding Heterogeneity Priorities following architectures in P2P file sharing, which is an overlay network? Directory Flooding Heterogeneity Priorities time it takes for a small packet to travel from client to server and then back to the client is . time time time time A ( with a Webbased account ) sends a message to B ( who accesses his mail server using POP3), which applicationlayer protocol is not used? the four following options, which protocol is included in Mail Access Protocol? FTP mands, is used to send user password to the server. function of the additional header field in MIME ContentType is . convert the message body to its origin nonASCII form determine what actions it should take on message body send an Email to the receiving user agent indicate what type the message is the four following options, which application is organized as hybrid of C/S and P2P architecture? transfer application the four following options, which is not a centralized DNS design’s problem? single point of failure volume centralized database the following options, from the application developer’s perspective, which is not correct? network architecture is fixed network architecture provides a specific set of services to applications application architecture is designed by the physical devices application architecture dictates how the application is organized over the various end systems are three predominant architectures used in modern network applications, which one is not included? clientserver architecture P2P architecture hybrid of the clientserver and P2P architecture hybrid of the clientserver and browserserver architecture the following options about C/S architecture, which is not correct? C/S architecture, there is an alwayson host, called the server. C/S architecture, there is an alwayson host, called the client. server has a fixed, wellknown address, called IP address. do not directly municate with each other.38. are often used to create a powerful virtual server in C/S architecture. farm stack server process sends messages into,and receives messages from,the network through its . one is not defined by an applicationlayer protocol? types of messages exchanged syntax of various message types semantics of the fields for determining when and how to translate the socket can use two types of connections, which are . and nonpersistent connection with pipelining and without pipelining and UDP and serial connection42. takes for a small packet to travel from client to server and then back to the client. default mode of H