dftry

Front

A.     Satellite Internet is the ability to transmit and receive data from a relatively small satellite. B. Cellular systems implement space division multiplexing technique.

Back

The second statement is correct

Front

A.     Network connectivity enables you to access, collect, share and utilize data across your enterprise. B. Connected collaboration taps into smart machine and device technology to help organizations make better business decisions.

Back

Both statements are correct

Front

Statement A: Network Interface Card links all of the computers on the network together. Statement B: Each computer DOES NOT require network card. Which statement is correct?

Back

None of the statements are correct

Front

Which statement about multiplexing is correct? A.     Multiplexing combines multiple analog or digital signals bound for transmission through a single communication line or computer. B. Multiplexing technique has been introduced to decrease channel utilization.

Back

The first statement is correct

Front

A.     Synchronous Time-Division Multiplexing can be used for both analog and digital signals. B. Interleaving Time-Division Multiplexing is used to transmit several types of data concurrently across a single transmission cable.

Back

Both statements are correct

Front

A.     Microwave radio energy travels largely in straight lines. B.     Some network operators construct networks of all tall towers kilometers apart and place microwave antennas at different heights on each tower.

Back

Both statements are correct

Front

Which statements about Time-Division Multiplexing are correct? A.     Asynchronous Time-Division Multiplexing can be used for both analog and digital signals. B. Synchronous Time-Division Multiplexing can be visualized as two (2) fast rotating switching on the multiplexing and demultiplexing side.

Back

Both statements are correct

Front

A. Frequency Division Multiplexing (FDM) is a technique that combines multiple analog signals. B. Wavelength division multiplexing is a technology in fiber optic communications.

Back

Both statements are correct

Front

A. Delay between data units in circuit switching is not uniform. B. Delay between data units in packet switching is uniform.

Back

None of the statements are correct

Front

Evaluate the statements: A. Circuit Switching is connectionless as it doesn’t establish any physical connection before the transmission start. B. Packet Switching establishes a physical path between the sender and receiver of the message before a message is delivered.

Back

None of the statements are correct