Computer Networking
What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end?

None of these
Protocol
Modem options
Handshaking
Duplexing

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
TCP is:

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

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
Which of the following summation operations is performed on the bits to check an error-detecting code?

Checksum
Attenuation
Coder-decoder
Codec
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions

ANSWER DOWNLOAD EXAMIANS APP