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现代交换原理题库23 - 百度文库

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6 һԪУVPI/VCIʲô

һԪУͷеVPIʶͨ·ͷеVCIʶŵ

7 ATMοģݼʲô

ýӲ(PM)ʹӲ(TC)Ӳ㣬 Ԫ벢ͨýȷЧش͡

8 ҪATMʲô

ATMǸʹATMԪͷ

9 ʲôͨ·ʲôŵ֮ϵΣ

һͨп԰һͨ·(VP) һͨ·п԰һŵ(VC)һͨ·ɶŵɡ

10ATMֲģЩ?ATMԪʱԪ繦ܵ?

B-ISDNģͷΪͲ͸߲㡣Ͳ:㡢ATM㡢AAL㡣

ATMԪĶHECֽʵ֡Ԫ״̬̬Ԥ̬̬ͬͬ״̬УϵͳԽźŽHEC顣 һȷHECϵͳԤ̬ͬʱϵͳΪѷԪ߽磬˱߽ҵһͷHEC顣 bԪHEC鶼ȷϵͳ̬ͬ ڴ˹зһHECϵͳص̬ ̬ͬϵͳԪHEC飬aȷHEC飬ϵͳص̬

11 ·ʽص㣺

1 ĴʱӽС··ѡ·ʱ˹̳

ΪУںݴ͹У·ɲٸı䣬˿Լٽڵ㲻ҪĿƺʹ

2 ն˲Ҫͬһезѭͬһ·ɣЩ

ԭе˳򵽴Ŀĵأն˲Ҫ

3 ·ÿͷвҪϸĿĵַֻ߼ŵ

žͿָеϢÿĶ⿪

4 ·ɶ߼ŵɣ·ÿ·϶һ

߼ŵţЩ߼ŵ˶˵˵·ˣ߼ŵǻڶֵģ·Ƕ˵˵ġ

5 ·ȱǵ·豸ʱܵ·жϣ

½Ӳָܻݴ䡣żķչ·ʽ磬ṩӵĹܡֹʱԶѡ񲢽µ·ҪûºУҲʧûݡ

6 ·ڳĵͨšһνʱ䴫ݵӦã

ʱӦԴںнʱ䣬ļ͡ҵȡ򣬴ʱӴ󣬴Чʽϵͣ·ļ޷ʵ֡

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6 һԪУVPI/VCIʲô һԪУͷеVPIʶͨ·ͷеVCIʶŵ 7 ATMοģݼʲô ýӲ(PM)ʹӲ(TC)Ӳ㣬 Ԫ벢ͨýȷЧش͡ 8 ҪATMʲô ATMǸʹATMԪͷ 9 ʲôͨ·ʲôŵ֮ϵΣ һͨп԰һͨ·(VP) һͨ·п԰һŵ(VC)һͨ·ɶŵɡ 10ATMֲģЩ?ATMԪʱԪ繦ܵ?

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