KOMUNIKASI DATA DAN TELEKOMUNIKASI Pass Year

I. Which of the following is not a characteristic of microwaves?

A. Microwaves can be used to send signal in all direction.

S. Very high frequency microwaves cannot penetrate walls.

C. Microwaves are used in cellular telephone networks, satellite networks and wireless LANS.

D. Microwaves support high data rate.

2. Which of the following application does not need line-of-sight for transmission?

A. TV remote control.

B. Satellite networks.

C. Cellular telephone base stations.

D. Maritime radio.

3. Data transfers amongst Bluetooth devices are conducted via

A. Radio waves

B. Micro waves

C. Terrestrial microwaves

D. Infrared waves

4. Which of the following protocol is not used in noisy channel?

A. Stop-and-Wait.

B. Stop-and-Wait ARQ

C. Go-back-N ARQ

D. Selective Repeat ARQ.

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