1. What protocol is used between E-Mail servers?

A. FTP
B. SMTP
C. SNMP
D. POP3

2. If you configure the TCP/IP address and other TCP/IP parameters manually, you can always verify the configuration through which of the following? Select the best answer.

A. Network Properties dialog box
B. Server Services dialog box
C. DHCPINFO command-line utility
D. Advanced Properties tab of TCP/ IP Info.
E. None of the above

3. In a PC to telephone hookup for long distance communication, modem is connected between the telephone line and

A. PC
B. synchronous port
C. crossover cable
D. asynchronous port
E. None of the above

4. Which of the following communications service provides message preparation and transmission facilities?

A. Teletex
B. Teletext
C. x400
D. Fax
E. None of the above

5. Four bits are used for packet sequence numbering in a sliding window protocol used in a computer network. What is the maximum window size?

A. 4
B. 8
C. 15
D. 16
E. None of the above