Computer Networking
Select the cable that uses copper conductor, accept and transport signals in the form of electric current?

All of these
Fiber-optic cable
Twisted pair cable
Metallic cable

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
Parity bit is

a check bit appended to an array of binary digits to make the sum of all the binary digits.
an error-detecting code based on a summation operation performed on the bits to be checked.
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
the ratio of the number of data units in error to the total number of data units
None of these

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
The physical layer, in reference to the OSI model, defines

data link procedures that provide for the exchange of data via frames that can be sent and received
All of these
the virtual circuit interface to packet-switched service
None of these
the interface between the X.25 network and packet mode device

ANSWER DOWNLOAD EXAMIANS APP