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41. 

Which of the following specifies the network address and host address of the computer?
A. The IP address
B. The TCP address
C. The subnet mask
D. The default gateway
E. None of the above
42. 

For connecting modem, a computer must be equipped with a port that conforms to the RS-232 standard of the Electronic Industries Association of America. What do the letters 'RS' stand for?
A. Recognised standard
B. Random sequence
C. Recommended standard
D. Registered source
E. None of the above
43. 

A network that requires human intervention of route signals is called a
A. bus network
B. ring network
C. star network
D. T-switched network
E. None of the above
44. 

What is the port number for POP3?
A. 110
B. 90
C. 80
D. 49
45. 

Which of the following provides a storage mechanism for incoming mail but does not allow a user to download messages selectively?
A. SMTP
B. DHCP
C. IMAP
D. POP3