Computer Networks Quiz

Communication channel is shared by all the machines on the network in:

• broadcast network

• unicast network

• multicast network

• none of the mentioned

The time taken by a packet to travel from client to server and then back to the client is called ____

• STT

• RTT

• PTT

• None of the mentioned

MAC address is of:

• 24 bits

• 36 bits

• 42 bits

• 48 bits

The sharing of a medium and its link by two or more devices is called _______

• Fully duplexing

• Multiplexing

• Both a and b

• None of the mentioned

Which multiplexing technique transmits digital signals ?

• FDM

• TDM

• WDM

• None of the mentioned

If link transmits 4000frames per second, and each slot has 8 bits, the transmission rate of circuit this TDM is

• 32kbps

• 500bps

• 500kbps

• None of the mentioned

In Lambertian output pattern of LED, the source is ______ bright from all directions.

• Less

• Equally

• More

• Unpredictably

If a noisy channel has a bandwidth of 4 MHz with signal to noise ratio of about 1, what would be the maximum capacity of the channel?

• 2Mb/sec

• 4Mb/sec

• 6Mb/sec

• 8 Mb/sec

Which among the following represents the lateral shift of a light beam on reflection at a dielectric interface?

• Doppler’s Shift

• Goos-Haenchen’s Shift

• Frequency Shift

• Phase Shift

Which among the following characteristics of Laser light specifies the precise movement of all individual light waves together through time and space?

• Monochromatic

• Directional

• Coherent

• Brightness