CISCO模拟试题：CCNA考试自测题1

ciSCO模拟试题：CCNA考试自测题1
 

1) Match the following application layer services to their corresponding transport layer proTOCol port. (匹配下列的应用层服务和它们对应的传输层协议端口)： 　　
A. SMTP 1. TCP/23

　　B. FTP 2. TCP/25

　　C. TFTP 3. TCP/80

　　D. Te l n e t 4. TCP/21

　　E. HTTP 5. UDP/69

　　F. DNS 6. TCP/53 　　

2) Which OSI reference model layer does Telnet function at (Te l n e t在哪一个O S I参考模型层运作)？

　　A. Transport 　下载 B. Network C. Session D. Application 　

　3) How many layers does the TCP/IP proTOCol suITe have, compared to the OSI reference model (和O S I参考模型相比，T C P / I P协议具有几层)？

　　A. TCP model has 4, OSI model has 6

　　B. TCP model has 7, OSI model has 8

　　C. TCP model has 4, OSI model has 7

　　D. TCP model has 7, OSI model has 4 　

　4) The TCP/IP proTOCol suITe has a formal session layer that includes NetbiOS、RPCs and TLI functions (TCP/IP协议套件具有包含N e t B I O S、R P C和T L I功能的一个正式的会话层)。 　　

A. True B. False 　　

5) What is the function of RPCs (RPC的功能是什么)？　　

A. To move files from remote PCs to a local PC

　　B. To make remote function calls transparent, so th
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