單項(xiàng)選擇題X.25協(xié)議是哪兩種設(shè)備進(jìn)行交互的規(guī)程?()

A.PSE、PSN
B.DCE、DTE
C.DCE、PSE
D.DTE、PSE


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2.單項(xiàng)選擇題

Refer to the exhibit. What command sequence will enable PAT from the inside to outside network?()

 

A.(config) ip nat pool isp-net 1.2.4.2 netmask 255.255.255.0 overload
B.(config-if) ip nat outside overload
C.(config) ip nat inside source list 1 interface ethernet1 overload
D.(config-if) ip nat inside overload

4.單項(xiàng)選擇題為了查看Quidway路由器搭建的幀中繼網(wǎng)絡(luò)的封裝類型,應(yīng)啟用什么命令?()

A.display fr map-info(顯示映射表)
B.display fr pvc-info(PVC統(tǒng)計(jì)信息)
C.display fr lmi-info
D.display interface

5.單項(xiàng)選擇題

Refer to the exhibit. What does the (*) represent in the output?()

A.Packet is destined for a local interface to the router.
B.Packet was translated, but no response was received from the distant device.
C.Packet was not translated, because no additional ports are available.
D.Packet was translated and fast switched to the destination.

6.單項(xiàng)選擇題A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port()。

A.This is a 10 Mb/s switch port
B.This is a 100 Mb/s switch port
C.This is an Ethernet port operating at half duplex
D.This is an Ethernet port operating at full duplex
E. This is a port on a network interface card in a PC

7.單項(xiàng)選擇題

Refer to the exhibit. The user at Workstation B reports that Server A cannot be reacheD.What ispreventing Workstation B from reaching Server A?()

 

A.The IP address for Server A is a broadcast address.
B.The IP address for Workstation B is a subnet address.
C.The gateway for Workstation B is not on the same subnet.
D.The gateway for Server A is not on the same subnet.

8.多項(xiàng)選擇題下面對(duì)我國(guó)廣泛使用的DDN網(wǎng)絡(luò)描述正確的是什么?()

A.DDN線路使用簡(jiǎn)便,覆蓋面廣
B.DDN專線是點(diǎn)到點(diǎn)的鏈路,它給予用戶訪問整個(gè)鏈路帶寬的可能性
C.DDN相對(duì)于分組交換網(wǎng)絡(luò)來說,線路費(fèi)用較高
D.DDN專線被廣泛用于企業(yè)網(wǎng)互連,專線internet接入

9.多項(xiàng)選擇題下列所描述的協(xié)議哪些屬于OSI參考模型表示層協(xié)議()。

A.ASCII、EBCDIC
B.IP、ARP
C.MAC、LLC
D.MPEG、MIDI
E.NFS、SQL
F.PICT、MPEG

10.多項(xiàng)選擇題對(duì)全雙工以太網(wǎng)的描述正確的是()。

A.可以在共享式以太網(wǎng)中實(shí)現(xiàn)全雙工技術(shù)
B.可以在一對(duì)雙絞線上同時(shí)接收和發(fā)送以太網(wǎng)幀
C.僅可以用于點(diǎn)對(duì)點(diǎn)連接
D.可用于點(diǎn)對(duì)點(diǎn)和點(diǎn)對(duì)多點(diǎn)連接

最新試題

請(qǐng)參見圖示。主機(jī)A 和B 無法互相通信。此問題的原因是什么?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見圖示。主機(jī)X 和主機(jī)Y 與本地網(wǎng)絡(luò)的通信受到限制。此問題的原因是什么?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見圖示。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?()

題型:?jiǎn)雾?xiàng)選擇題

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?()

題型:?jiǎn)雾?xiàng)選擇題

請(qǐng)參見圖示。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

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

題型:多項(xiàng)選擇題

請(qǐng)參見圖示。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)參見圖示。對(duì)于從主機(jī)A 向Web 服務(wù)器發(fā)出的網(wǎng)頁請(qǐng)求,正確的目的套接字?jǐn)?shù)字是什么?()

題型:?jiǎn)雾?xiàng)選擇題

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

在路由器上使用Router#copy running-config startup-config 命令會(huì)產(chǎn)生什么效果?()

題型:?jiǎn)雾?xiàng)選擇題