16. Which utility is useful for finding the local host name?

A. NBTSTAT
B. Netstat
C. PING
D. Hostname
E. None of the above

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17. Which of the following conditions is used to transmit two packets over a medium at the same time?

A. Contention
B. Collision
C. Synchronous
D. Asynchronous

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18. The slowest transmission speeds are those of

A. twisted-pair wire
B. coaxial cable
C. fiber-optic cable
D. microwaves
E. None of the above

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19. Distributed Queue Dual Bus is a standard for

A. LAN
B. MAN
C. WAN
D. Wireless LAN.
E. LAN and MAN

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20. A teleprocessing system may consist of

A. user systems
B. communications systems
C. computer center systems
D. All of the above
E. None of the above

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