網(wǎng)絡(luò)工程師各知識點局域網(wǎng)

1、的含義是_(3)_6Mbps4種不同的狀態(tài)來表示數(shù)據(jù)，在不考慮熱 C.B.16 C.24 D.32 A.3kB.10kC.20kD.30k答案在局域網(wǎng)標(biāo)準(zhǔn)中，_(1)_FDDIMAC 幀格式較為相似。_(2)_介質(zhì)訪問控制方法對 A.B.TOKENB.C.TOKEN C.D.答案 通訊協(xié)議，該協(xié)議_(3)_。PPP協(xié)議通過_(4)_來建立、配置和測試數(shù)據(jù)鏈路連接。動態(tài)獲取 IP 地址是通過_(5)_實現(xiàn)的。A.比B.字節(jié) C.幀 D.數(shù)據(jù)B.有差錯檢驗和僅支持IP 答案TCP/IP，IP_(1)_分組傳輸服務(wù)。TCP 協(xié)議提供端口之間的_(2)_報文傳輸服務(wù)；UDP屬于_(3)_協(xié)議，從其下一

2、層接收了數(shù)據(jù)以后，根據(jù)_(4)_UDP數(shù)據(jù)報；應(yīng)用層的_(5)_協(xié)議可以使用UDPTCPB.C.D.答案SSLWWW客戶與服務(wù)器之間傳送數(shù)據(jù)的進(jìn)行_(1)_。它位于_(2)_層A.B.B.C.D.D.A.TCPB.UDPC.IPD.答案D.C.IPD.A.504 25B.1500 25 C.504 D.1500 25 答案FTP 是基于_(1)_實現(xiàn)的文件傳輸協(xié)議，使用此協(xié)議進(jìn)行文件傳輸時，F(xiàn)TP 客戶和服務(wù)器之間建立的連接是_(2)_，用于傳輸文件的是_(3)_連接。TFTPUDP實現(xiàn)的簡單 _(4)_A.數(shù)B.指C.控A.確認(rèn)B.應(yīng)答C.請求答案Flow control is a func

3、tion that prevents network congestion by ensuring _(1)_donotoverwhelm_(2)_with 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.A.transmittin