Each Bluetooth device uses a __________ which is a special software that helps identify other Bluetooth devices.

Question 1 options:

A)

frame

B)	link manager

C)

repeater

D)

bridge

Question 2 (2 points)

Ultra Wide Band transmission technology is used primarily for close range, high speed communications.

Question 2 options:

A)

True

B)

False

Question 3 (2 points)

The automatic connection between various ____________ devices creates piconets.

Question 3 options:

A)

Bluetooth

B)

3G

C)

WiFi

D)

802.11n

Question 4 (2 points)

4G (fourth generation) cellular technology allows data connections at a maximum rate of over 200 Mbps in fast-moving vehicles.

Question 4 options:

A)

True

B)

False

Question 5 (2 points)

An Earth station transmits to a satellite on one frequency, and the satellite regenerates and transmits the signal back to Earth on a different frequency

Question 5 options:

	A) True
	B) False

Question 6 (2 points)

Distance it the major difference bewteen WLANs WPANs WMANs and WWANs

Question 6 options:

	A) True
	B) False

Question 7 (2 points)

Eliminating cable installation costs is not an advantage of a wireless technologies.

Question 7 options:

	A) True
	B) False

Question 8 (2 points)

Bluetooth cannot send data through physical barriers- like walls

Question 8 options:

	A) True
	B) False

Question 9 (2 points)

The time between one positive peak and the next positive peak of a wave is called .

Question 9 options:

	elasticity
	wavelength
	period
	frequency

Question 10 (2 points)

Infrared wireless systems require that each device has a both a receiver for duplex communications.

Question 10 options:

	True
	False

Question 11 (2 points)

Radiotelephony or radio travels in waves known as _________ waves.

Question 11 options:

	EM
	analog
	magnetic
	electrical

Question 12 (2 points)

Changing a signal to encode data onto it is known as __________.

Question 12 options:

	continuity
	modulation
	baud
	demodulation

Question 13 (2 points)

The number of bits sent in one second, is known as

Question 13 options:

	symbol rate
	frequency
	bit rate
	Baud rate

Question 14 (2 points)

Infrared wireless transmission can be either __________ or diffused.

Question 14 options:

	beam-formed
	diffused
	directed
	digital

Question 15 (2 points)

Infrared light, though invisible, has few of the characteristics of visible light.

Question 15 options:

	True
	False

Question 16 (2 points)

Why do computers and data transmission equipment use decimal?

Question 16 options:

	Base 2 is too difficult to use.
	They don't.
	Base 10 was developed before binary.
	They are electrical devices, and electricity has only two states.

Question 17 (2 points)

To block only the frequency of interest through, a __________ filter should be used.

Question 17 options:

	notch
	low-pass
	high-pass
	band-pass

Question 18 (2 points)

When mixing two signals, the highest sum and the lowest difference between the carrier frequency and the range of frequencies at the other input define two limits known as the sidebands of the frequency carrier.

Question 18 options:

	True
	False

Question 19 (2 points)

A filter that will block high frequencies but allow low frequency signal to pass is the ___________.

Question 19 options:

	notch-filter
	high-pass
	low-pass
	band-pass

Question 20 (2 points)

Which of these frequencies are in an ISM band?

Question 20 options:

	9.6 GHz
	2.4 GHz
	950 MHz
	5.4 GHz

Question 21 (2 points)

The using a PN code is used in __________

Question 21 options:

	PNMA
	TDMA
	CDMA
	FDMA

Question 22 (2 points)

When signals are sent at frequencies that are closely grouped together, an errant signal may encroach on a close frequency, causing cross-chatter.

Question 22 options:

	True
	False

Question 23 (2 points)

Each of the following is a type of RF filter except _____.

Question 23 options:

	high-pass
	low-pass
	bandpass
	passband

Question 24 (2 points)

Match the type of transmission with the description.

Question 24 options:

123	Full-Duplex
123	Simplex
123	Half-duplex

1.	Signals only travel in one direction.
2.	Signals travel in both directions, but only one way at a time.
3.	Signals travel in both directions at the same time.

Question 25 (2 points)

A transmitter generates a 15 dBm signal and is connected to an antenna using a cable that induces a 3 dB loss. The cable has one connectors that induce a loss of 2 dB. What is the signal level at the input of the antenna?

Question 25 options:

A)

8 dBm

B)

10 dB

C)

22 dBm

D)

3 db

Question 26 (2 points)

Which measurement compared the power of a antennas radiation pattern to the that of an dipole antenna?

Question 26 options:

A)

dBi

B)

dBm

C)

dB

D)

dBd

Question 27 (2 points)

The dipole is simplest and most practical type of antenna (according to the text).

Question 27 options:

A)

True

B)

False

Question 28 (2 points)

To work as efficiently as a dipole, a monopole antenna requires a(n) _______.

Question 28 options:

A)	ground plane

B)

amplifier

C)	longer length

D)

LMR cable

Question 29 (2 points)

Which waves are greater than 300 MHz and go straight?

Question 29 options:

A)	Reflected waves

B)	Space waves

C)	Ground waves

D)

Sky Wave

Question 30 (2 points)