题库精选:CCNA考试自测题第4卷

　　22)Which Data-link type supports speeds of up to 100 Mbps (哪一种数据链路类型支持至多到1 0 0 M b p s的速度)？

　　A. Local Talk

　　B. FDDI Talk

　　C. Token Talk

　　D. All of the above

　　23) Name Binding Protocol (NBP) is a protocol for (名称绑定协议( N B P )是一个协议，它在)：

　　A. The application layer

　　B. The session layer

　　C. The transport layer

　　D. The physical layer

　　24) Which statement is true of zoning (关于区域，哪个陈述是正确的)？

　　A. It reduces the number of devices (hardware)

　　B. It reduces the number of nodes on the network

　　C. It causes client requests to propagate through the entire network

　　D. It reduces overhead

　　25) Which statement is true of RTMP (关于RT M P哪句叙述是正确的)？

　　A. It uses the shortest path algorithm

　　B. It uses distance vector protocol

　　C. It is a link-state protocol

　　D. It is a minimum metric algorithm

　　26) Name Binding Protocol is used for what purpose (名称绑定协议的目的是什么)？

　　A . To convert addresses into names

　　B. To create unique names for devices

　　C. To associate names with addresses

　　D. To create unique addresses

　　27) Which of the following protocols is most often preferred because of the capability ofbi- directional data stream support over DDP (下面哪个协议最常用，因为它在D D P上支持双向数据流)？

　　A. ADSP

　　B. ATP

　　C. ASP

　　D. AFP