Question 30 (2 points)

Decibel is a relative measurement that requires a(n) _________.

Question 30 options:

	power level
	antenna
	gain
	comparison

Question 31 (2 points)

For the best performance between transmitter and receiver, the two antennas should have the same polarization.

Question 31 options:

A)

True

B)

False

Question 32 (2 points)

A birectional antenna transmits a signal in almost all directions with relatively equal intensity.

Question 32 options:

A)

False

B)

True

Question 33 (2 points)

Bluetooth devices are usually small and mobile, so conserving power is not necessary.

Question 33 options:

	A) True
	B) False

Question 34 (2 points)

Which of the following is not a feature of Bluetooth?

Question 34 options:

A)	power-saving

B)	master and slave changing roles

C)	slave authenticates master

D)	asymmetric transmission

Question 35 (2 points)

At the highest level of the Bluetooth protocol stack is the ______ layer.

Question 35 options:

A)

RF

B)

LMP

C)

TCP/IP

D)	Application

Question 36 (2 points)

Bluetooth SAG is the name of the organization that develops and promotes Bluetooth products and consists of over 2,500 hardware and software vendors.

Question 36 options:

A)

True

B)

False

Question 37 (2 points)

Which frequency band(s) can ZigBee networks not utilize?

Question 37 options:

A)

ISM

B)	All of these

C)

2.4 GHz

D)

60 GHz

E)

915 MHz

Question 38 (2 points)

Which of the following topologies are not supported by ZigBee?

Question 38 options:

A)	piconet and scatternet

B)

star

C)

mesh

D)

tree

Question 39 (2 points)

The lower levels of the WPAN protocol stack are implemented in the _____.

Question 39 options:

A)

IR

B)

software

C)

hardware

D)	data link layer

Question 40 (2 points)

Bluetooth divides the 2.4 GHz frequency into 79 frequencies that are spaced how far apart?

Question 40 options:

A)

280 Khz

B)

350 KHz

C)

11 MHz

D)

1 MHz