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網(wǎng)絡(luò)工程師每日一練試題內(nèi)容(2026/4/15)
試題1
下列光纖接入網(wǎng)絡(luò)中,沒(méi)有采用時(shí)間分割多路訪問(wèn)(TDMA)來(lái)實(shí)現(xiàn) 下行和上行信號(hào)傳輸?shù)募夹g(shù)是( )。查看答案
試題參考答案:D
試題解析與討論:www.moshehogeg.net/exam/ExamDay.aspx?t1=8&day=2026/4/15
試題2
The Address Resolution Protocol(ARP)was developed to enable communication on an internetwork and perform a required function in IP routing.ARP lies between layers( )of the OSI model,and allows computers to introduce each other across a network prior to communication.APR finds the( )address of a host from its known( )address.Before a device sends a datagram to another device,it looks in its ARP cache to see if there is a MAC address and corresponding IP address for the destination device.If there is no entry,the source device sends a( )message to every device on the network.Each device compares the IP address to its own.Only the device with the matching IP address replies with a packet containing the MAC address for the device(except in the case of “proxy ARP”).The source device adds the( )device MAC address to its ARP table for future reference.查看答案
試題參考答案:B 、C 、A 、C 、B
試題解析與討論:www.moshehogeg.net/exam/ExamDay.aspx?t1=8&day=2026/4/15
試題3
在一個(gè)TCP連接場(chǎng)景中,已知接收窗口大小為30KB,往返時(shí)間(RTT)為150ms,同時(shí)網(wǎng)絡(luò)傳輸存在10%的額外開(kāi)銷(用于確認(rèn)等控制信息傳輸),那么該連接實(shí)際可達(dá)到的近似最大有效吞吐量約為( )。
A.160KB/s
B.180KB/s
C.200KB/s
D.220KB/s
查看答案
試題參考答案:B
試題解析與討論:www.moshehogeg.net/exam/ExamDay.aspx?t1=8&day=2026/4/15
試題4
在IEEE 802.11無(wú)線局域網(wǎng)標(biāo)準(zhǔn)中,2.4GHz頻段內(nèi)相鄰兩個(gè)非重疊信道的中心頻率間隔是( )MHz查看答案
試題參考答案:B
試題解析與討論:www.moshehogeg.net/exam/ExamDay.aspx?t1=8&day=2026/4/15
試題5
在Linux系統(tǒng)中,鼠標(biāo)、鍵盤(pán)等以字節(jié)為單位進(jìn)行輸入輸出的設(shè)備屬于( )查看答案
試題參考答案:D
試題解析與討論:www.moshehogeg.net/exam/ExamDay.aspx?t1=8&day=2026/4/15
試題6
Windows Server 2008 R2默認(rèn)狀態(tài)下沒(méi)有安裝IIS服務(wù),必須手動(dòng)安裝。配置下列( )服務(wù)前需先安裝IIS服務(wù)。查看答案
試題參考答案:C
試題解析與討論:www.moshehogeg.net/exam/ExamDay.aspx?t1=8&day=2026/4/15
試題7
在以下命令執(zhí)行結(jié)果中,Routing Tables 描述路由標(biāo)記的字段是( )。
查看答案
試題參考答案:D
試題解析與討論:www.moshehogeg.net/exam/ExamDay.aspx?t1=8&day=2026/4/15
試題8
假設(shè)一個(gè)IP數(shù)據(jù)報(bào)總長(zhǎng)度為3000B,要經(jīng)過(guò)一段MTU為1500B的鏈路,該IP報(bào)文必須經(jīng)過(guò)分片才能通過(guò)該鏈路。該原始IP報(bào)文須被分成( )個(gè)片,若IP首部沒(méi)有可選字段,則最后一個(gè)片首部中Offset字段為( )。查看答案
試題參考答案:B、A
試題解析與討論:www.moshehogeg.net/exam/ExamDay.aspx?t1=8&day=2026/4/15
試題9
以下頻率中,屬于微波波段的是( )。查看答案
試題參考答案:D
試題解析與討論:www.moshehogeg.net/exam/ExamDay.aspx?t1=8&day=2026/4/15
試題10
網(wǎng)絡(luò)地址范圍172.24.0.0~ 172.24.7.0可以聚合為(73), 聚合后的網(wǎng)絡(luò)中有(74)個(gè)可用主機(jī)地址。查看答案
試題參考答案:A、D
試題解析與討論:www.moshehogeg.net/exam/ExamDay.aspx?t1=8&day=2026/4/15
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