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


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1.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

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

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

3.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.

5.單項(xiàng)選擇題Which parameter can be tuned to affect the selection of a static route as a backup. when a dynamic protocol is also being used?()

A.link bandwidth
B.hop count
C.link cost
D.administrative distance
E.link delay

最新試題

請(qǐng)參見(jiàn)圖示。主機(jī)A 和B 無(wú)法互相通信。此問(wèn)題的原因是什么?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見(jiàn)圖示。網(wǎng)絡(luò)中的所有設(shè)備均使用默認(rèn)配置。此拓?fù)渲写嬖诙嗌賯€(gè)廣播域?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見(jiàn)圖示。一臺(tái)路由器(其路由表如圖所示)收到發(fā)往192.168.1.4的數(shù)據(jù)包。路由器將如何處理該數(shù)據(jù)包?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見(jiàn)圖示。已啟用路由器的NAT 功能供PC 訪問(wèn)Internet??梢詾槁酚善鹘涌赟0/0/0分配下列哪一個(gè)IP 地址?()

題型:?jiǎn)雾?xiàng)選擇題

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?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見(jiàn)圖示。在網(wǎng)絡(luò)中,PC1向PC2發(fā)送了一條消息。PC2收到的幀如圖所示。該幀中的哪一信息確定了正確的目的應(yīng)用程序?()

題型:?jiǎn)雾?xiàng)選擇題

路由器使用哪一項(xiàng)信息來(lái)確定源主機(jī)和目的主機(jī)之間的路徑?()

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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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PC 無(wú)法連接到任何遠(yuǎn)程網(wǎng)站,無(wú)法ping 通其默認(rèn)網(wǎng)關(guān),也無(wú)法ping 通本地網(wǎng)段中工作正常的打印機(jī)。以下哪項(xiàng)操作可以確認(rèn)此PC 上的TCP/IP 協(xié)議棧是否工作正常?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見(jiàn)圖示。網(wǎng)絡(luò)中的主機(jī)A 正在向主機(jī)B 發(fā)送數(shù)據(jù)段。有關(guān)所交換的數(shù)據(jù)段的流量控制如圖所示。下列關(guān)于此通信的陳述,哪兩項(xiàng)是正確的?()

題型:多項(xiàng)選擇題