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網(wǎng)絡工程師每日一練試題內(nèi)容(2024/4/29)
試題1
無線局域網(wǎng)中AP的輪詢會鎖定異步幀,在IEEE802.11網(wǎng)絡中定義了()機制來解決這一問題。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=2024/4/29
試題2
確定網(wǎng)絡的層次結(jié)構(gòu)及各層采用的協(xié)議是網(wǎng)絡設計中( )階段的主要任務。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=2024/4/29
試題3
在網(wǎng)絡管理中要防護各種安全威脅。在SNMPv3中,不必要或無法防護的安全威脅是 ( ) 。
A、篡改管理信息:通過改變傳輸中的SNMP報文實施未經(jīng)授權(quán)的管理操作
B、通信分析:第三者分析管理實體之間的通信規(guī)律,從而獲取管理信息
C、假冒合法用戶:未經(jīng)授權(quán)的用戶冒充授權(quán)用戶,企圖實施管理操作
D、消息泄露:SNMP引擎之間交換的信息被第三者偷聽
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=2024/4/29
試題4
在 Linux 中,可以使用()命令創(chuàng)建一個文件目錄。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=2024/4/29
試題5
在CPU中用于跟蹤指令地址的寄存器是 ( ) 。
A、地址寄存器(MAR)
B、數(shù)據(jù)寄存器(MDR)
C、程序計數(shù)器(PC)
D、指令寄存器(IR)
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=2024/4/29
試題6
電子郵件所使用的SMTP協(xié)議的默認端口為()。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=2024/4/29
試題7
綜合布線系統(tǒng)中,用于連接各層配線室,并連接主配線室的子系統(tǒng)為( )。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=2024/4/29
試題8
配置路由器端口,應該在哪種提示符下進行? ( )
A、R1(config)#
B、R1(config-in)#
C、R1(config-intf)#
D、R1(config-if)#
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=2024/4/29
試題9
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:m.xiexiliangjiufa.com/exam/ExamDay.aspx?t1=8&day=2024/4/29
試題10
下面哪個地址可以應用于公共互聯(lián)網(wǎng)中?( )。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=2024/4/29
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