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1、2022年CCNA考试自测题第1卷（一）(1)1) Match the following application layer services to their corresponding transport layerprotocol 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/23B. FTP 2. TCP/25C. TFTP 3. TCP/80D. Te l n e t 4. TCP/21E. HTTP 5. UDP/69F. DNS 6. TCP/532) Which OSI reference model layer does T
2、elnet 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. NetworkC. SessionD. Application3) How many layers does the TCP/IP protocol suite have, compared to the OSI referencemodel (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 6B. TCP model has 7, OSI model has 8C. TCP mo
3、del has 4, OSI model has 7D. TCP model has 7, OSI model has 44) The TCP/IP protocol suite has a formal session layer that includes NetBIOS、RPCs andTLI 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. False5) What is the function of RPCs (RPC的功能是什么)？A. To move files from remote PCs to a local PCB. To make remote function calls transparent, so they appear to be localC. To initialize a program on a remote PCD. To send a procedure that is local to a remote node for processing elsewhere