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| 作者：不明 来源：www.pccode.net 整理 发布时间：2007-1-24 15:21:05 发布人：wongrs | |||
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16: Your company has two floors , your network uses TCP/IP , you want to limit traffic between the floors , so that only packet designation for the other floor are passed across the connecting device. which device should you chose? A: gateway B: router C: hub D: repeater ans:b 17: Your company is installing a new serven computer network in its large1 room office , the company will relocate in 6 months, the company 's short term lease does not permit change in the building wiring , and there is no existing network cable. you must choose a topology that keep the installation , and keep costs to minimum. which topology should you choose? A: mesh B: star c: bus D: ring ans:c 18: Which WAN connection service canprovide transmission speed that faster than 100Mbps ? A: ISDN basicrateinterface B: x.25 C: T1 D: ATM ans:d 19: You want to use a connection service that provide reliable delivery even when using unreliable swithced connections . Which WAN connection service should you use? A: ISDN B: X.25 C: frame relay D: ATM ans:b 20: Your network has 250 client computers and 6 servers, the network use TCP/IP protocol , you want to segment the network . Which device should you use? A:repeater B:gateway C:transceiver D:router ans:d 21: Your network has 3 servers ,which runwindows NT server and windows 95 clients,the network use netbeui , you want users of client to be able to access a unix computer, the unix computer share its file by using NFS , you do not want able any new softwareto the client computer Which device should you use? A: bridge B: brouter C: router D: gateway ans:d 22: You want users of client computer to be able to access an ibm 3090 mainframe by using a IBM 3270 terminal-emulation program , the mainframe is seperate from your network, you do not want to add protocol to the client computers which device should you use? A: repeater B: bridge C: router D: gateway ans:d 23: You are design a backbone, the backbone will connect 3 networks that are located in 3 different bulidings, the longest distance between any 2 of the building is 1000 meters. which media should you choose? A: RG-58 A/U B: category 5 UTP c: spread spectrum radio d: fiber-optic cable ans:d 24: you need to connect an ether
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