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

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

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

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

19. Distributed Queue Dual Bus is a standard for

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

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