多項(xiàng)選擇題下列哪些接口可作邏輯通道?()

A.X.25
B.幀中繼
C.dialer
D.同/異步串口


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1.多項(xiàng)選擇題What are some of the advantages of using a router to segment the network?()

A.Filtering can occur based on Layer 3 information.
B.Broadcasts are eliminated.
C.Routers generally cost less than switches.
D.Broadcasts are not forwarded across the router.
E.Adding a router to the network decreases latency.

2.單項(xiàng)選擇題OSI中,哪些不是表示層功能?()

A.數(shù)據(jù)加密
B.數(shù)據(jù)壓縮
C.密碼控制
D.數(shù)據(jù)格式轉(zhuǎn)換

4.多項(xiàng)選擇題Which of the following are true regarding bridges and switches?()

A.Bridges are faster than switches because they have fewer ports.
B.A switch is a multiport bridge.
C.Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.
D.A bridge will forward a broadcast but a switch will not.
E.Bridges and switches increase the size of a collision domain.

5.單項(xiàng)選擇題What is the maximum data rate specified for IEEE 802.11b WLANs()。

A.10Mbps
B.11Mbps
C.54Mbps
D.100Mbps

最新試題

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傳輸層如何讓主機(jī)能同時(shí)針對(duì)不同應(yīng)用程序維護(hù)多個(gè)通信流?()

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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?()

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請(qǐng)參見(jiàn)圖示。圖中所示路由表所屬的PC 已正確配置。IP 地址192.168.1.254屬于哪一個(gè)網(wǎng)絡(luò)設(shè)備或接口?()

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請(qǐng)參見(jiàn)圖示。下列哪組設(shè)備僅包含中間設(shè)備?()

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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