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網(wǎng)絡(luò)工程師每日一練試題內(nèi)容(2024/12/28)
試題1
在網(wǎng)絡(luò)中分配 IP 地址可以采用靜態(tài)地址或動(dòng)態(tài)地址方案。下面關(guān)于兩種地址分配方案的 論述中錯(cuò)誤的是( )。
A.采用動(dòng)態(tài)地址分配方案可便面地址資源的浪費(fèi)
B.路由器、交換機(jī)等聯(lián)網(wǎng)設(shè)備適合采用靜態(tài) IP 地址
C.各種服務(wù)器設(shè)備適合采用動(dòng)態(tài) IP 地址分配方案
D.學(xué)生客戶機(jī)最好采用動(dòng)態(tài) IP 地址
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=2024/12/28
試題2
對(duì)IPv4 地址段192.168.10.0/24進(jìn)行子網(wǎng)劃分,要求每個(gè)子網(wǎng)至少50個(gè)可用IP地址,其主機(jī)位數(shù)最少需要(69)位,(70)屬于所劃分子網(wǎng)的網(wǎng)絡(luò)號(hào)。查看答案
試題參考答案:D、B
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2024/12/28
試題3
下面關(guān)于網(wǎng)絡(luò)工程需求分析的論述中,正確的是 ( ) 。
A、任何網(wǎng)絡(luò)都不可能是一個(gè)能夠滿足各項(xiàng)功能需求的萬能網(wǎng)
B、必須采用最先進(jìn)的網(wǎng)絡(luò)設(shè)備,獲得最高的網(wǎng)絡(luò)性能
C、網(wǎng)絡(luò)需求分析獨(dú)立于應(yīng)用系統(tǒng)的需求分析
D、網(wǎng)絡(luò)需求分析時(shí)可以先不考慮系統(tǒng)的擴(kuò)展性
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=2024/12/28
試題4
在軟件開發(fā)流程中,測(cè)試團(tuán)隊(duì)設(shè)計(jì)和執(zhí)行測(cè)試用例的主要依據(jù)來自于()階段查看答案
試題參考答案:C
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2024/12/28
試題5
在嘗試連接到一個(gè)遠(yuǎn)程的數(shù)據(jù)庫服務(wù)器時(shí),如mysql://db.example.com:3306/mydatabase,你的計(jì)算機(jī)首先會(huì)進(jìn)行什么操作?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=2024/12/28
試題6
以下關(guān)于路由協(xié)議的敘述中,錯(cuò)誤的是( )。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=2024/12/28
試題7
Windows Server 2008 R2上內(nèi)嵌的Web服務(wù)器是( )服務(wù)器。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=2024/12/28
試題8
正交幅度調(diào)制16-QAM的數(shù)據(jù)速率是碼元速率的()倍。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=2024/12/28
試題9
Melissa and LoveLetter made use of the trust that exists between friends or colleagues. Imagine receiving an (1 ) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (2) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim's address book, previous emails, web pages (3) .
As administrators seek to block dangerous email attachments through the recognition of well-known (4) , virus writers use other extensions to circumvent such protection. Executable (.exe) files are renamed to .bat and .cmd plus a whole list of other extensions and will still run and successfully infect target users.
Frequently, hackers try to penetrate networks by sending an attachment that looks like a flash movie, which, while displaying some cute animation, simultaneously runs commands in the background to steal your passwords and give the (5) access to your network.
(1)A、attachment
B、packet
C、datagram
D、message
(2)A、virtual
B、virus
C、worms
D、bacteria
(3)A、memory
B、caches
C、ports
D、registers
(4)A、names
B、cookies
C、software
D、extensions
(5)A、cracker
B、user
C、customer
D、client
查看答案
試題參考答案:A、C、B、D、A
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2024/12/28
試題10
在層次化局域網(wǎng)模型中,以下關(guān)于核心層的敘述,正確的是() 。
A.為了保障安全性,對(duì)分組要進(jìn)行有效性檢查
B.將分組從一個(gè)區(qū)域高速地轉(zhuǎn)發(fā)到另一個(gè)區(qū)域
C.由多臺(tái)二、三層交換機(jī)組成
D.提供多條路徑來緩解通信瓶頸
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=2024/12/28
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