2014年軟考網(wǎng)絡工程師考點模擬題：局域網(wǎng)

　�、臕.IGP B.RIP C.OSPF D.BGP

　�、艫.RIP B.OSPF C.IGP D.EGP

　　⑶A.功能強大 B.可用于大規(guī)模網(wǎng)絡C.實現(xiàn)簡單，開銷小 D.故障率低

　　⑷A.TCP B.UDP C.IP層 D.應用層

　�、葾.504 25 15 B.1500 25 16 C.504 32 15 D.1500 25 8 答案：DACBA

　　FTP是基于_(1)_實現(xiàn)的文件傳輸協(xié)議，使用此協(xié)議進行文件傳輸時，F(xiàn)TP客戶和服務器之間建立的連接是_(2)_，用于傳輸文件的是_(3)_連接。TFTP是基于UDP實現(xiàn)的簡單文件傳輸協(xié)議，它共有五種協(xié)議數(shù)據(jù)單元PDU，其中數(shù)據(jù)PDU一次可以攜帶的數(shù)據(jù)最多是_(4)_，當傳輸?shù)奈募L度恰好是其整數(shù)倍時，則文件傳輸完畢后，還必須在最后發(fā)送一個_(5)_。

　�、臕.IP B.TCP C.UDP D.ICMP

　�、艫.數(shù)據(jù)連接 B.控制連接和指令連接

　　C.控制連接和數(shù)據(jù)連接 D.數(shù)據(jù)連接和指令連接

　�、茿.數(shù)據(jù) B.指令 C.控制 D.UDP

　�、華.384 B.512 C.1024 D.1500

　�、葾.確認PDU B.應答PDU C.請求PDU D.無數(shù)據(jù)的數(shù)據(jù)PDU

　　答案：BCABD

　　Flow control is a function that prevents network congestion by ensuring that _(1)_ do not overwhelm_(2)_ with data.

　　There are three commonly used methods for handling network congestion . _(3)_is used by network devices to temporarily store bursts of excess data in memory until they can be processed. _(4)_ are used by receiving devices to help prevent their buffers from overflowing . _(5)_ is a flow-control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.

　�、泞艫.transmitting devices B.transmitted devices

　　C.receiving devices D.received devices

　�、洽娶葾.Buffer B.Source-quench messages

　　C.window D.Windowing E.Buffering Answer：ACEBD

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