Đề thi Network Essension

What device must be installed on a computer to provide it with a physical and electrical connection to a network?
Gateway
Bnc connector
Nic
Router
None of the above

HDLC and SDLC work for following layers of OSI model
Session layer
Transport layer
Data link
Physical layer
None of the above

Which type of standard is most likely in use with RJ-45 connectors attached to a computer?
10 base T
10 base 5
10 base XL
10 base 2
None of the above

802.11g supports
11 mbps over 5ghz frequency
11 and 2.5
54 and 2.4
54 and 5
None of the above