CCNA习题，求解答

On小-小ly

1. What is the generic term used to refer to a company thatprovides any form of WAN connectivity?

2. Point-to-point WAN links provide what?

3. The term demark refersto what?

4. The term customer premises equipment (CPE) refers towhat?

5. You can build a serial link in a lab without using anyCSU/DSU, but to do so, one router must supply what?

6. When two routers are connected back-to-back using aserial connection what router needs to provide a clock rate?

7. What is the speed of a T1 line?

8. What is the name of the leased line that is commonly usedin Europe and consists of 32 DS0s?

9. What is the speed of a T3 line?

10. What is the speed of a E1 line?

11. What are the two most popular data link layer protocolsused on point-to-point links?

12. True or False. HDLC is Cisco proprietary?

13. List two popular packet-switching services used today?

14. Define committed information rate CIR.

15. True or False. Does each frame relay VC require a separateaccess link? Explain.

aleser

On小-小ly

aleser 发表于 2012-10-16 09:14

求助。。。

zjx8214

老哥

孩子你这是求啥呢啊

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