Computer Networking
Which of the following is an advantage to using fiber optics data transmission?

fast data transmission rate
few transmission errors
resistance to data theft
All of these
low noise level

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
TCP is:

Operates at the Data Link layer
Connectionless and unreliable
Connection orientated and unreliable
Connection orientated and reliable
None of these

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
X.21 is

None of these
a method access control technique for multiple-access transmission media
a method of determining which device has access to the transmission medium at any time
a very common bit-oriented data link protocol issued by ISO
network access standard for connecting stations to a circuit-switched network

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
CSMA (Carrier Sense Multiple Access) is

None of these
a very common bit-oriented data link protocol issued by ISO.
a method access control technique for multiple-access transmission media.
network access standard for connecting stations to a circuit-switched network
a method of determining which device has access to the transmission medium at any time

ANSWER DOWNLOAD EXAMIANS APP