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網(wǎng)絡(luò)工程師每日一練試題內(nèi)容(2025/6/9)
試題1
IPv6的鏈路本地地址是在地址前綴1111 1110 10之后附加(18)形成的。
A.IPv4地址
B.MAC地址
C.主機(jī)名
D.隨機(jī)產(chǎn)生的字符串
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試題參考答案:B
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=8&day=2025/6/9
試題2
下列命令片段含義是( )。
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試題參考答案:C
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=8&day=2025/6/9
試題3
()技術(shù)可以實(shí)現(xiàn)兩層VLAN標(biāo)簽封裝,專用網(wǎng)絡(luò)的內(nèi)部標(biāo)簽和公共網(wǎng)絡(luò)的外部標(biāo)簽。查看答案
試題參考答案:D
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=8&day=2025/6/9
試題4
CIDR技術(shù)解決了路由縮放問題,例如2048個(gè)C類網(wǎng)絡(luò)組成一個(gè)地址塊,網(wǎng)絡(luò)號(hào)從192.24.0.0~192.31.255.0這樣的超網(wǎng)號(hào)應(yīng)為(1),其地址掩碼應(yīng)為(2)。查看答案
試題參考答案:A、D
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=8&day=2025/6/9
試題5
某軟件項(xiàng)目的活動(dòng)圖如下圖所示,其中頂點(diǎn)表示項(xiàng)目里程碑,連接頂點(diǎn)的邊表示包含的活動(dòng),邊上的數(shù)字表示相應(yīng)活動(dòng)的持續(xù)時(shí)間(天),則完成該項(xiàng)目的最少時(shí)間為(7) 天?;顒?dòng)BC和BF最多可以晚開始(8) 天而不會(huì)影響整個(gè)項(xiàng)目的進(jìn)度。
(7) A. 11 B. 1 5 C.16 D.1 8
(8) A. 0和 7 B.O和1 1 C.2和7 D.2和1 1
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試題參考答案:D、A
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試題6
以下不屬于光纖通信的特點(diǎn)是()查看答案
試題參考答案:B
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=8&day=2025/6/9
試題7
下面4個(gè)主機(jī)地址中屬于網(wǎng)絡(luò)110.17.200.0/21的地址是(53) 。
A. 110.17.198.0
B. 110.17.206.0
C. 110.17.217.0
D. 110.17.224.0
查看答案
試題參考答案:B
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=8&day=2025/6/9
試題8
關(guān)于IP組播技術(shù),以下說法錯(cuò)誤的是( )查看答案
試題參考答案:B
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=8&day=2025/6/9
試題9
The TTL field was originally designed to hold a time stamp, which was decremented by each visited router. The datagram was ( 1 ) when the value became zero. However, for this scheme, all the machines must have synchronized clocks and must know how long it takes for a datagram to go from one machine to another. Today, this field is used mostly to control the ( 2 ) number of hops (routers) visited by the datagram. When a source host sends the datagram, it ( 3 ) a number in this field. Each router that processes the datagram decrements this number by 1. If this value, after being decremented, is zero, the router discards the datagram.This field is needed because routing tables in the Internet can become corrupted.A datagram may travel between two or more routers for a long time without ever getting delivered to the ( 4 ).This field limits the ( 5 ) of a datagram.查看答案
試題參考答案:B、A、C、D、A
試題解析與討論:www.jazzmuze.com/exam/ExamDay.aspx?t1=8&day=2025/6/9
試題10
在某臺(tái)主機(jī)上無法訪問域名為www.bbb.cn的網(wǎng)站,而局域網(wǎng)中的其他主機(jī)可以訪問,在該主機(jī)上執(zhí)行ping命令時(shí)有如下所示的信息:查看答案
試題參考答案:C
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