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網(wǎng)絡(luò)工程師每日一練試題(2026/1/14)

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網(wǎng)絡(luò)工程師每日一練試題內(nèi)容(2026/1/14)

  • 試題1

    使用netstat-o命令可顯示網(wǎng)絡(luò)( )。
    A.IP、ICMP、TCP、UDP協(xié)議的統(tǒng)計信息
    B.以太網(wǎng)統(tǒng)計信息
    C.以數(shù)字格式顯示所有連接、地址及端口
    D.每個連接的進(jìn)程ID

    查看答案

    試題參考答案:D

    試題解析與討論:www.pgyzj.com/exam/ExamDay.aspx?t1=8&day=2026/1/14

  • 試題2

    IEEE 802.11 MAC 子層定義的競爭性訪問控制協(xié)議是( 1)。之所以不采用與 IEEE 802.11相同協(xié)議的原因是(2 )。
    (1)A.CSMA/CA
    B.CSMA/CB
    C.CSMA/CD
    D.CSMA/CG
    (2)A.IEEE 802.11 協(xié)議的效率更高
    B.為了解決隱蔽終端問題
    C.IEEE 802.3 協(xié)議的開銷更大
    D.為了引進(jìn)多種非競爭業(yè)務(wù)

    查看答案

    試題參考答案:A、B

    試題解析與討論:www.pgyzj.com/exam/ExamDay.aspx?t1=8&day=2026/1/14

  • 試題3

    關(guān)于ARPANET的特點(diǎn),以下說法錯誤的是( )
    A. 實現(xiàn)了資源共享,用戶可共享網(wǎng)絡(luò)中其他計算機(jī)的資源
    B. 采用集中控制方式,由中心節(jié)點(diǎn)統(tǒng)一管理網(wǎng)絡(luò)
    C. 運(yùn)用分組交換技術(shù),提高了通信效率
    D. 采用分層的網(wǎng)絡(luò)協(xié)議,使網(wǎng)絡(luò)架構(gòu)更清晰

    查看答案

    試題參考答案:B

    試題解析與討論:www.pgyzj.com/exam/ExamDay.aspx?t1=8&day=2026/1/14

  • 試題4

    在HTTPS請求中,( )用于指定請求的內(nèi)容類型。
    A.If-Modifier-Since
    B.Cache-Control
    C.Expires
    D.Content-Type

    查看答案

    試題參考答案:D

    試題解析與討論:www.pgyzj.com/exam/ExamDay.aspx?t1=8&day=2026/1/14

  • 試題5

    某網(wǎng)絡(luò)拓?fù)淙缦聢D所示,在主機(jī)host1上設(shè)置默認(rèn)路由的命令為  (1)  ;在主機(jī)host1上增加一條到服務(wù)器server1主機(jī)路由的命令為  (2)  。

    (1)A、route add 0.0.0.0 mask 0.0.0.0 220.110.100.1
    B、route add 220.110.100.1 0.0.0.0 mask 0.0.0.0
    C、add route 0.0.0.0 mask 0.0.0.0 220.110.100.1
    D、add route 220.110.100.1 0.0.0.0 mask 0.0.0.0
    (2)A、add route 220.110.100.1 220.110.100.25 mask 255.255.255.0
    B、route add 220.110.101.25 mask 255.255.255.0 220.110.100.1
    C、route add 220.110.101.25 mask 255.255.255.255 220.110.100.1
    D、add route 220.110.100.1 220.110.101.25 mask 255.255.255.255

    查看答案

    試題參考答案:A、C

    試題解析與討論:www.pgyzj.com/exam/ExamDay.aspx?t1=8&day=2026/1/14

  • 試題6

    由OSI/RM表示層定義的數(shù)據(jù)壓縮、加密等功能在實踐中是由TCP/IP模型的( )層實現(xiàn)。
    A.物理層
    B.應(yīng)用層
    C.傳輸層
    D.網(wǎng)絡(luò)層

    查看答案

    試題參考答案:B

    試題解析與討論:www.pgyzj.com/exam/ExamDay.aspx?t1=8&day=2026/1/14

  • 試題7

    Traditional IP packet forwarding analyzes the ( 1)IP address contained in then network layee header of each packet as the  packet rravels from its sourse to its final destination. A router analyzes the destination IP address independently at each hop in the network. Dynamic ( 2) protocols or staitic configuration builds the database needed to analyze the destination IP address(the routing table). The process of implementing traditional IP routing also is called hop-by-hop destination-based ( 3)routing. Although successful,and obviously widely deployed,certain restrictions,which have been realized for some time,exist for this method of packet forwarding that diminish its ( 4).New techniques are therefore required to address and expand the functionality of an IP-based network infrastructure. This first chapter concertrates on idenfifying these restrictions.and presents a new architecture,known as multiprotocol( 5)switching,that provides solutions to some of this restrictions.

    ( 1).A.datagram
    B.destination
    C.connection
    D.service
    ( 2).A.routing
    B.forwarding
    C.transmission
    D.managerment
    ( 3).A.anycast
    B.multicast
    C.broadcast
    D.unicast
    ( 4).A.reliability
    B.flexibility
    C.stability
    D.capability
    ( 5).A.cost
    B.cast
    C.mark
    D.label



    查看答案

    試題參考答案:B、A、D、B、D

    試題解析與討論:www.pgyzj.com/exam/ExamDay.aspx?t1=8&day=2026/1/14

  • 試題8

    以下屬于對稱數(shù)字用戶線路(Symmetrical Digital Subscriber Line)的是 ( ) 。
    A、HDSL
    B、ADSL
    C、RADSL
    D、VDSL

    查看答案

    試題參考答案:A

    試題解析與討論:www.pgyzj.com/exam/ExamDay.aspx?t1=8&day=2026/1/14

  • 試題9

    在SNMPv2中,一個實體接收到一個報文,一般經(jīng)過四個步驟:
    A、(1)(3)(2)(4)
    B、(3)(2)(1)(4)
    C、(4)(1)(3)(2)
    D、(2)(1)(3)(4)

    查看答案

    試題參考答案:C

    試題解析與討論:www.pgyzj.com/exam/ExamDay.aspx?t1=8&day=2026/1/14

  • 試題10

    A network attack is an attempt to gain(71)access to an organization’s network,with the objective of stealing data or performing other malicious activities.Plagiarism is A(72)-of-service(DoS)attack is a cyber-attack in which the attacker seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to a network.In the case of a simple attack,a(73)could have a simple rule added to deny all incoming traffic from the attackers,based on protocols,ports,or the originating IP addresses.In a(74)DoS(DDoS)attack wangwangwang,the incoming traffic flooding the victim originates from(75)different sources.This effectively makes it impossible to stop the attack simply by blocking a single source
    A.unauthorized
    B.a(chǎn)uthorized
    C.normal
    D.frequent
    A.defense
    B.denial
    C.detection
    D.decision
    A.firewall
    B.router
    C.gateway
    D.switch
    A.damaged
    B.descriptive
    C.distributed
    D.demanding
    A.two
    B.many
    C.much
    D.ten

    查看答案

    試題參考答案:A、B、A、C、B

    試題解析與討論:www.pgyzj.com/exam/ExamDay.aspx?t1=8&day=2026/1/14

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