Computer Networking
A T-switch is used to

echo every character that is received
rearrange the connections between computing equipment
control how messages are passed between computers
transmit characters one at a time
None of these

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
Bulletin board system

converts digital signals to analog signals
is a modem capable of accepting commands
converts analog signals to digital signals
is a public access message system
None of these

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
Error rate is

an error-detecting code based on a summation operation performed on the bits to be checked.
a check bit appended to an array of binary digits to make the sum of all the binary digits.
the ratio of the number of data units in error to the total number of data units
a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and
None of these

ANSWER DOWNLOAD EXAMIANS APP