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标题: 求问下面几道题答案~~ [查看完整版帖子] [打印本页]

时间: 2015-6-26 16:24

作者: X-Factor 标题: 求问下面几道题答案~~

1. (ABCD) Whatare the advantages of signaling network?

A. Clear network structure.

B. Easy to access new NEs.

C. Less transmission and linkresource required.

D. More signaling routes and improvedreliability.

2. (ABCD) By whichmodes below can telecom users access the Internet?

A. ADSL access B. Ethernet access

C. Leased line D. Dial-up

3. (ABCD) Whichof the following access technologies can be used for a PC accessing theInternet?

A. xDSL B. LAN C.PON D. SDH

4. (BDE) A datacommunication system consists of

A. Message B. Medium C.Protocol D. Sender E. Receiver

5. (ABCD)When we make a call between MSs/UEs, which elements do the signals need betransmitted over?

A. Wireless network B. CN-CS

C. Mobile backhaul transport network D. IP Bearer Netwrok

求问以上集几题我给出的答案对吗？

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