單項(xiàng)選擇題C類(lèi)地址最大可能子網(wǎng)位數(shù)是()。

A.6
B.8
C.12
D.14


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1.多項(xiàng)選擇題IP地址中網(wǎng)絡(luò)號(hào)的作用有()。

A.指定了主機(jī)所屬的網(wǎng)絡(luò)
B.指定了網(wǎng)絡(luò)上主機(jī)的標(biāo)識(shí)
C.指定了設(shè)備能夠進(jìn)行通信的網(wǎng)絡(luò)
D.指定被尋址的網(wǎng)中的某個(gè)節(jié)點(diǎn)

4.單項(xiàng)選擇題下列哪一個(gè)命令用于指定物理接口做備份接口?()

A.[Quidway]#standby interface s0
B.[Quidway-Serial1]#standby interface s0

5.多項(xiàng)選擇題Which two features did WPAv1 add to address the inherent weaknesses found in WEP?()

A.a stronger encryption algorithm
B.key mixing using temporal keys
C.shared key authentication
D.a shorter initialization vector
E.per frame sequence counters

6.單項(xiàng)選擇題ISDN基本速率接口(BRI)速率是()。

A.16kbps
B.64kbps
C.144kbps
D.2048kbps

7.單項(xiàng)選擇題What should be part of a comprehensive network security plan()。

A.Allow users to develop their own approach to network security
B.Physically secure network equipment from potential access by unauthorized individuals
C.Encourage users to use personal information in their passwords to minimize the likelihood of passwords being forgotten
D.Delay deployment of software patches and updates until their effect on end-user equipment is well known and widely reported
E.Minimize network overhead by deactivating automatic antivirus client updates

8.多項(xiàng)選擇題QuidwayS2403F以太網(wǎng)交換機(jī)的用戶(hù)權(quán)限級(jí)別有()。

A.normal
B.visit
C.monitor
D.manage
E.operator

9.單項(xiàng)選擇題A wireless client cannot connect to an 802.11b/g BSS with a b/g wireless carD.The client section of the access point does not list any active WLAN clients. What is a possible reason for this?()

A.The incorrect channel is configured on the client.
B.The client's IP address is on the wrong subnet.
C.The client has an incorrect pre-shared key.
D.The SSID is configured incorrectly on the client.

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請(qǐng)參見(jiàn)圖示。當(dāng)計(jì)算機(jī)A 向計(jì)算機(jī)D 發(fā)送幀時(shí),哪些計(jì)算機(jī)會(huì)接收該幀?()

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以下哪兩種介質(zhì)可提供高達(dá)1Gb/s 的帶寬?()

題型:多項(xiàng)選擇題

請(qǐng)參見(jiàn)圖示。從主機(jī)X 發(fā)出的到主機(jī)Y 的tracert 命令已成功。下列哪一項(xiàng)正確地反映了追蹤列表中顯示的中間網(wǎng)絡(luò)設(shè)備的順序?()

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請(qǐng)參見(jiàn)圖示。主機(jī)B 嘗試與主機(jī)C 建立TCP/IP 會(huì)話。在嘗試期間,San Francisco 器由器的FastEthernet 接口fa0/1捕獲到一個(gè)幀。捕獲的幀中包含源IP 地址為10.10.1.2而目的IP 地址為10.31.1.20的數(shù)據(jù)包。捕獲該幀時(shí),它的目的MAC 地址是什么?()

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OSI 模型的哪兩項(xiàng)功能在第2層實(shí)現(xiàn)?()

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