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16. 

A 8-Mbps token ring has a token holding timer value of 10 msec. What is the longest frame (assume header bits are negligible) that can be sent on this ring?
A. 8000 B frame
B. 80,000 B frame
C. 8 x 105 bit frame
D. 10,000 B frame
17. 

Data are sent over pin _____ of the EIA-232 interface.
A. 2
B. 3
C. 4
D. All of the above
18. 

To connect a computer with a device in the same room, you might be likely to use
A. a coaxial cable
B. a dedicated line
C. a ground station
D. All of the above
19. 

Demodulation is a process of
A. converting analog to digital signals
B. converting digital to analog signals
C. multiplexing various signals into one high speed line signals
D. performing data description.
20. 

Internet-like networks between a company and its business partners. Select the best fit for answer:
A. Bandwidth alternatives
B. Switching alternating
C. Inter organizational networks
D. Extranets