Physical Layer


Q21.

Bit stuffing refers to
GateOverflow

Q22.

A T-switch is used to
GateOverflow

Q23.

Assume that each character code consists of 8 bits. The number of characters that can be transmitted per second through a synchronous serial line at 2400 baud rate, and with two stop bits is
GateOverflow

Q24.

Physical topology of FDDI is?
GateOverflow

Q25.

What is the bandwidth of the signal that ranges from 40 kHz to 4 MHz?
GateOverflow

Q26.

What frequency range is used for microwave communications, satellite and radar?
GateOverflow

Q27.

How many 8-bit characters can be transmitted per second over a 9600 baud serial communication link using asynchronous mode of transmission with one start bit, eight data bits, two stop bits, and one parity bit?
GateOverflow

Q28.

In the waveform (a) given below, a bit stream is encoded by Manchester encoding scheme. The same bit stream is encoded in a different coding scheme in wave form (b). The bit stream and the coding scheme are
GateOverflow

Q29.

In serial data transmission, every byte of data is padded with a '0' in the beginning and one or two '1's at the end of byte because
GateOverflow

Q30.

Assume that each character code consists of 8 bits. The number of characters that can be transmitted per second through an asynchronous serial line at 2400 baud rate, and with two stop bits is
GateOverflow