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www.DirectCertify.com IT Certification Exams PDF<br />
A. True<br />
B. False<br />
Answer: A<br />
Question: 35<br />
The main feature of the LAN: the network is owned by a unit, and the geographical scope and the number of sites<br />
are limited. Common LAN transmission medium with ().<br />
A. Fiber<br />
B. Coaxial cable<br />
C. Twisted pair<br />
D. ADSL<br />
Question: 36<br />
Answer: A,B,C<br />
Half-duplex data communication mode (half-duplex mode), the each device can send and receive, but not both<br />
simultaneously. When a device is sent, the other can only receive, and vice versa. The following are working in halfduplex<br />
mode ().<br />
A. Keyboard<br />
B. Display<br />
C. Radio<br />
D. telephone network<br />
Question: 37<br />
Answer: C<br />
From the communications division of both the way information exchange, can have the following communication ().<br />
A. simplex<br />
B. Half-duplex<br />
C. duplex<br />
D. auto-negotiation<br />
Question: 38<br />
Answer: A,B,C<br />
Larger geographical area network connection, in large areas to provide data communications services, primarily for<br />
LAN interconnection network is ().<br />
A. Large LAN<br />
http://www.directcertify.com/SU0-211.html<br />
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