[University Computer Technology] Chapter 7 Test 12

multiple choice

1. Which of the following statements about accessing a Web site is correct ( ).
   A. Only the IP address can be entered
   B. Both the IP address and the domain name must be entered
   C. Only the domain name can be entered
   D. Either the IP address or the domain name can be entered
   Correct answer: D

2. The role of Domain Name System DNS is ( ).
   A. Store host domain name
   B. Store IP address
   C. Store email address table
   D. Convert domain name to IP address
   Correct answer: D

3. The communication protocol adopted by the Internet is ( ).
   A. HTTP
   B. TCP/IP
   C. SMTP
   D. POP3
   Correct answer: B

4. If the domain name address of a www site is www.sjtu.edu.cn, it must be a site of ( ).
   A. United States
   B. China
   C. United Kingdom
   D. Japan
   Correct answer: B

5. To allow the computer to access the Internet, at least one piece ( ) must be added to the microcomputer.
   A. Network card
   B. Display card
   C. Sound card
   D. Router
   Correct answer: A

6. The following ( ) accesses the Internet without the help of ordinary telephone lines.
   A. Dial-up mode
   B. ADSL mode
   C. Cable Modem mode
   D. ISDN mode
   Correct answer: C

7. Domain names and IP addresses are converted to each other through ( ) servers.
   A. WWW
   B. DNS
   C. E-Mail
   D. FTP
   Correct answer: B

8. E-mail is the most widely used service item on the Internet, and the commonly used transmission protocol is ( ).
   A. SMTP
   B. TCP/IP
   C. CSMA/CD
   D. IPX/SPX
   Correct answer: A

9. The correct spelling of the following URL address is ( ).
   A. http:/www.sinacom/index.html
   B. http://www.sina.com/index.html
   C. http//www sinacom/index.html
   D. http//www.sina.com/index .htmlCorrect
   answer: B

10. http is a ( ).
    A. Web site
    B. Advanced language
    C. Domain name
    D. Hypertext transfer protocol
    Correct answer: D

11. Constructing a star LAN requires the following ( ) key equipment.
    A. Coaxial cable
    B. Router
    C. Hub
    D. Gateway
    Correct answer: C

12. The Internet adopts ( ) mode.
    A. Host-terminal
    B. Decentralized-centralized
    C. Windows NT
    D. Client-server
    Correct answer: D

13. Currently, the Internet mainly adopts the IPv4 protocol, and the length of the IP address is 32 bits, and there are only about 3.6 billion addresses. The new version 6 IP protocol (IPv6) has extended the length of the IP address to () bits, which can provide addresses almost without restriction.
    A. 48
    B. 64
    C. 128
    D. 256
    Correct answer: C

14. With the development of the Internet, one of the possible ways that more and more computers are infected with viruses is ( ).
    A. Entering data from the keyboard
    B. Through the power cord
    C. The surface of the floppy disk used is not clean
    D. Through the E-mail of the Internet, attached to the message of the e-mail
    Correct answer: D