Which of the following provides a storage mechanism for incoming mail but does not allow a user to download messages selectively?
Options
A. SMTP
B. DHCP
C. IMAP
D. POP3
Correct Answer
POP3
Networking problems
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1. You are working with a network that has the network ID 192.168.10.0. What subnet should you use that supports up to 12 hosts and a maximum number of subnets?
A. Satellite transponders contain a receiver and transmitter designed to relay microwave transmissions from one point on earth to another.
B. Satellite transponders contain a device that echos the radiation without change from one point on earth to another.
C. Satellite transponder contains devices that transform the message sent from one location on earth to a different code for transmission to another location.
D. Satellite transponders use lower frequency reception of radiation from earth stations and higher frequency for transmission to earth stations
Correct Answer: Satellite transponders contain a receiver and transmitter designed to relay microwave transmissions from one point on earth to another.
3. How can you see the address of the DHCP server from which a client received its IP address?
Correct Answer: RTS/CTS is the way the terminal indicates ringing
5. 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.
8. Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost.
10. 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?