Network Fundamentals Quiz

What is the ultimate purpose of communication technology?

• To help people communicate more efficiently

• To create better lives

• To transmit and exchange information

• All of the above

When was the predecessor of the Internet, ARPAnet, born?

• 1999

• 1989

• 1979

• 1969

What does wavelength refer to in a wave?

• The horizontal distance of a wave

• The vertical distance of a wave

• The position of the waveform relative to time zero

• The number of waves made per second

What is the unit for frequency?

• Volts

• Watts

• Amperes

• Hertz

What is the main purpose of a signal?

• To generate noise

• To convey information

• To transmit data

• To create interference

What is a characteristic of a digital wave?

• Analog transmission

• Variable frequency

• Fixed amplitude

• Continuous variation in amplitude

What is the purpose of twisted pair cable?

• To conduct modulated light transmissions

• To transmit data over long distances

• To carry electrical or electromagnetic signals

• To shield the core and cladding from damage

What is the frequency range of Very High Frequency (VHF) in the electromagnetic spectrum?

• 3 GHz - 30 GHz

• 300 MHz - 3 GHz

• 3 MHz - 30 MHz

• 30 Hz - 300 Hz

What is the propagation method of Infrared wireless medium?

• Sky-Wave (SW) ionospheric propagation

• LOS Propagation

• Line of Sight Propagation

• Ground Wave (GW) propagation

What is Bluetooth used for?

• Satellite communication

• Infrared photography

• Remote sensing

• Wireless PAN