Q.1.
Which data communication method is used to transmit the data over a serial communication link?
Q.2.
Which of the following performs modulation and demodulation?
Q.3.
Transmission media lie below the _______ layer.
Q.4.
Twisting in a twisted-pair help reduce the __________.
Q.5.
In electromagnetic spectrum for wireless communication, reserved range for Radio waves and microwaves is known as