题目内容

Dialogue 1G: Good afternoon. I’m Elizabeth Lynne. I just got to Hangzhou from Singapore. I made a (1)before my trip.R: Welcome to Hangzhou. Let me see. Miss Lynne. Do you have a (2 ) of your reservation?G: Yes, of course.R: Is that a ( 3)?G: I am afraid not. Yes, here, one single room for two nights until 10th.R: All right. Let me see. Could you please (4) the registration form?G: Ok, no problem.R: Yes, I got your room. And Miss Lynne, how could you like to make your ( 5)?G: How about traveler’s cheques?R: Sure, thanks!G: You’re welcome.

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DNS的作用是:

A. IP地址到域名地址的解析
B. 域名到IP地址的解析
C. IP地址到物理地址的解析
D. 物理地址到IP地址的解析

IPv4地址由()位二进制数值组成

A. 4
B. 16
C. 32
D. 64

下列IP地址中是C类地址的是

A. 10.0.0.1
B. 136.114.12.32
C. 248.21.2.36
D. 192.254.1.128

下列属于通讯协议的是:

A. QQ
B. Linux
C. Windows
D. TCP/IP

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