EXERCISES
1．Fill in the blanks with appropriate words or phrases．
（1）＿＿＿is a large network of Internet servers．
（2）＿＿＿is the largest global internetworks．
（3）＿＿＿is the landmark packet-switching network．
（4）GUI is abbreviated from＿＿＿．
（5）Many business correspondences are transferred via＿＿＿．
（6）IE is produced by＿＿＿．
（7）We access a Web page by using a            ．
（8）We can use the＿＿＿to send or receive arbitrarily large files．
（9）Many leading-edge network technologies come from＿＿＿．
（10）＿＿＿is a standard terminal emulation protocol．
  　 a．electronic mail    b．Telnet
     c．WWW      d．Graphical User Interface
     e．Internet community    f．Internet
     g．URL     h．Microsoft corp．
     i．FTP      j．ARPAnet

2．True / False．
（1）A“culture”of Internet focuses on research and standardization based on real-life use．
（2）Electronic mail is designed for transferring very large file．
（3）The term ARPAnet was officially retired in 1980s．
（4）We can use POP3 to send a E-mail．
（5）Using Telnet we can login to remote systems as if we were connected to a local system．
（6）The term interoperability means the ability of the same computing syste-ms．
（7）To use the electronic mail we must establish a mailbox on a mail server．
（8）Most Internet users must understand the TCP/IP technology．
（9）Two sites of using FTP rely on intermediate machines．
（10）Search engines require users to enter search criteria．
   

答案：
1．
（1）c  （2）f  （3）j  （4）d
（5）a  （6）h  （7）g  （8）i
（9）e  （10）b
2．
（1）t  （2）f  （3）f  （4）f
（5）t  （6）f  （7）t  （8）f
（9）f  （10）t