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網(wǎng)絡(luò)工程師每日一練試題內(nèi)容(2025/5/18)
試題1
下列關(guān)于TCP和UDP協(xié)議的說法,正確的是( )查看答案
試題參考答案:C
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2025/5/18
試題2
The usual way to ensure reliable delivery is to provide the (1) with some feedback about what is happening at the other end of the line. Typically, the protocol calls for the receiver to send back special (2) frame bearing positive or negative (3) about the incoming frames. If the sender receives a positive acknowledgement about a frame, it knows the the frame has arrived safely. On the other hand, a negative acknowledgement means that something has gone wrong, and the frame must be transmitted again.
An additional complication comes from the possibility that hardware troubles may cause a frame to (4) completely. In this case, the receiver will not react at all, since it has no any reason to react. It should be clear that a protocol in which the sender transmits a frame and then waits for an acknowledgement, positive or negative, will hang forever if a frame is ever lost due to, for example, (5) hardware.。
(1)A、receiver
B、controller
C、sender
D、customer
(2)A、data
B、controll
C、request
D、session
(3)A、application
B、connection
C、stream
D、acknowledgement
(4)A、vanish
B、vary
C、appear
D、incline
(5)A、acting
B、working
C、malfunctioning
D、functioning
查看答案
試題參考答案:C、B、D、A、C
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2025/5/18
試題3
在網(wǎng)絡(luò)互連中,不同的網(wǎng)絡(luò)技術(shù)有著不同的特點和應(yīng)用場景。下列關(guān)于各種網(wǎng)絡(luò)技術(shù)的描述,正確的是( )查看答案
試題參考答案:B
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2025/5/18
試題4
在Linux中,要使用命令“chmod-R xxx/home/abc"修改目錄/home/abc的訪問權(quán)限為可讀、可寫、可執(zhí)行,命令中的“xxx”應(yīng)該是( )。查看答案
試題參考答案:A
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2025/5/18
試題5
單個磁頭在向盤片的磁性涂層上寫入數(shù)據(jù)時,是以 ( ) 方式寫入的。
A、并行
B、并-串行
C、串行
D、串-并行
查看答案
試題參考答案:C
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2025/5/18
試題6
在網(wǎng)絡(luò)故障診斷流程中,收集信息之后的步驟是( )查看答案
試題參考答案:C
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2025/5/18
試題7
下列IPv6數(shù)據(jù)報頭的字段在IPv4報頭中無對應(yīng)功能的是()查看答案
試題參考答案:D
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2025/5/18
試題8
TVP/IP網(wǎng)絡(luò)中的(13)實現(xiàn)應(yīng)答、排序和流控功能。
A.?dāng)?shù)據(jù)鏈路層
B.網(wǎng)絡(luò)層
C.傳輸層
D.應(yīng)用層
查看答案
試題參考答案:C
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2025/5/18
試題9
某信道帶寬為1MHz,采用4幅度8相位調(diào)制最大可以組成(1)種碼元。若此信道信號的碼元寬度為10微秒,則數(shù)據(jù)速率為(2)kb/s。查看答案
試題參考答案:D、C
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2025/5/18
試題10
以下關(guān)于IPsec協(xié)議的描述中,正確的是( )。查看答案
試題參考答案:A
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2025/5/18
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