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網(wǎng)絡工程師每日一練試題內容(2025/4/8)
試題1
在Windows的DOS窗口中鍵入命令
C:\>nslookup
Set type=ptr
>211.151.91.165
這個命令的作用是 ( ) 。
A、查詢211.151.91.165的郵件服務器信息
B、查詢211.151.91.165到域名的映射
C、查詢211.151.91.165的資源記錄類型
D、顯示211.151.91.165中各種可用的信息資源記錄
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=2025/4/8
試題2
為保障Web服務器的安全運行,對用戶要進行身份驗證。關于Windows Server 2003中的“集成Windows 身份驗證”,下列說法錯誤的是 ( ) 。
A、在這種身份驗證方式中,用戶名和密碼在發(fā)送前要經(jīng)過加密處理,所以是一種安全的身份驗證方案。
B、這種身份驗證方案結合了Windows NT 質詢/響應身份驗證和Kerberos v5 身份驗證兩種方式。
C、如果用戶系統(tǒng)在域控制器中安裝了活動目錄服務,而且瀏覽器支持Kerberos v5身份認證協(xié)議,則使用Kerberos v5身份驗證。
D、客戶機通過代理服務器建立連接時,可采用集成Windows身份驗證方案進行驗證。
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=2025/4/8
試題3
在Linux中,( )命令可將文件按修改時間順序顯示。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=2025/4/8
試題4
假設模擬信號的頻率范圍為3~9MHz,采樣頻率必須大于( )時,才能使得到的樣本信號不失真查看答案
試題參考答案:C
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2025/4/8
試題5
在以太網(wǎng)中,幀的最大長度為1518字節(jié),每個數(shù)據(jù)幀前面有8個字節(jié)的前導字段。在100BASE-T網(wǎng)絡中,發(fā)送一個完整的幀(包括前導字段)所需的時間最接近()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=2025/4/8
試題6
The Border Gateway Protocol(BGP) is an interautonomous system (1) protocol. The primary function of a BGP speaking system is to exchange network (2) information with other BGP system. This network reachability information includes information on the list of Autonomous System(ASs) that reachability information traverses. BGP-4 provides a new set of mechanisms for supporting (3) interdomain routing. These mechanisms include support for advertising an IP (4) and eliminate the concept of network class within BGP. BGP-4 also introduces mechanisms that allow aggregation of routes, including (5) of AS paths. These changes provide support for the proposed supernetting scheme.
(1)A、connecting
B、resolving
C、routing
D、supernetting
(2)A、secubility
B、reachability
C、capability
D、reliability
(3)A、answerless
B、connectionless
C、confirmless
D、classless
(4)A、prefix
B、suffix
C、infix
D、reflex
(5)A、reservation
B、relation
C、aggregation
D、connection
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=2025/4/8
試題7
設文件索引節(jié)點中有8個地址項,每個地址項大小為4字節(jié),其中5個地址項為直接地址索引,2個地址項是一級間接地址索引,1個地址項是二級間接地址索引,磁盤索引塊和磁盤數(shù)據(jù)塊女小均為1KB字節(jié)。若要訪問文件的邏輯塊號分別為5和518,則系統(tǒng)應分別采用( )。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=2025/4/8
試題8
運行OSPF協(xié)議的路由器每()秒向各個接口發(fā)送一次Hello報文,該報文的作用不包括()。查看答案
試題參考答案:A、D
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2025/4/8
試題9
An Intrusion (1) System (IDS) is a system that monitors network traffic for suspicious activity and alerts when such activity is discovered While (2) detection and reporting are the primary functions of an IDS,some IDSs are also capable of taking actions when (3) activity or anomalous traffic is detected, including(4)traffic sent from suspicious Internet Protocol(IP)addresses,Any malicious venture or violation is normally reported either to administrator or collected centrally using a(5) information and event management(SIEM)system.A SIEM system integrates outputs from multiple sources and uses alarm filtering techniques to differentiate malicious activity from false alarms.查看答案
試題參考答案:A、B、C、D、C
試題解析與討論:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2025/4/8
試題10
在()校驗方法中,采用模2運算來構造校驗位。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=2025/4/8
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