TCP/IP协议从底层到顶层分为：网络接口层、互连层、传输层和()等4个层次。
查看答案
According to Francisco, the Peruvian government officials will
A. have a press conference.
B. go to the newly built site.
C. find where the ancient city is.
D. send a group of people to probe the ruins.
计算机病毒(ComputerVirus)是具有()的计算机程序，它能影响计算机软硬件的正常运行，破坏数据的正确与完整。
The best title of this text may be
A. The Role of Media in Creating Celebrities.
B. Heroes and Celebrities.
C. Talk Show and Celebrities.
D. Celebrities and Recognition.
流行的网络拓扑结构有：总线型结构、星型结构、()、分布式结构以及树型结构等。
微信支付 
支付宝支付