Computer Networking
In CRC the quotient at the sender

is discarded
becomes the dividend at the receiver
is the remainder
becomes the divisor at the receiver

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
X.21 is

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

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
What is the problem with an interface if you type show interface serial 0 and receive the following message? "Serial0 is administratively down, line protocol is down."

The administrator has the interface shut down.
The keepalives are different times.
The administrator is pinging from the interface.
No cable is attached.

ANSWER DOWNLOAD EXAMIANS APP