Question 1

A device in ____ mode is part of the piconet but is in a low-power state.

Accepted Answer

A)   standby
B)   inquire
C)   page
D)   park/holdE) None of the above
F) A) and D)

Question 2

What is the recommended color for the window in an IrDA device?

Accepted Answer

A)   red
B)   amber
C)   green
D)   violetE) A) and B)
F) A) and C)

Question 3

What is a piconet?

Accepted Answer

When two 802.15.1 devices come within ra...

Question 4

Power consumption is so low for 802.15.4 devices that it is estimated that batteries powering the devices can last up to ____.

Accepted Answer

A)   4 months
B)   1 year
C)   2 years
D)   5 yearsE) None of the above
F) C) and D)

Question 5

The angle at which the sending and receiving IrDA devices align or face each other is very important. When the two devices have a deflection angle of no more than ____ degrees, the distance between devices can be up to 1 meter.

Accepted Answer

A)   5
B)   15
C)   25
D)   35E) A) and B)
F) All of the above

Question 6

What type of RFID tag operates at 2.45 GHz?

Accepted Answer

A)   Ultrahigh frequency
B)   Microwave
C)   High frequency
D)   Low frequencyE) A) and D)
F) A) and B)

Question 7

____________________ RFID tags do not have their own power supply. Instead, the tiny electrical current induced in the antenna by the incoming signal from the transceiver provides enough power for the tag to send a response.

Accepted Answer

The answer of ____________________ RFID tags do not have their...

Question 8

What is the shape of cells in a cellular telephone network?

Accepted Answer

A)   triangle
B)   square
C)   circle
D)   hexagonE) None of the above
F) A) and B)

Question 9

A ____ satellite remains "fixed" over a given location on the earth and seems to hang motionless in space.

Accepted Answer

A)   low earth orbiting
B)   medium earth orbiting
C)   high-earth orbiting
D)   geosynchronous earth orbitingE) B) and D)
F) B) and C)

Question 10

How does the MAC layer of WiMAX (Worldwide Interoperability for Microwave Access) differ from that used in IEEE 802.11a/b/g?

Accepted Answer

The MAC layer of WiMAX (Worldwide Intero...

Question 11

Describe the last mile connection problem.

Accepted Answer

One of the problems that plagues both ho...

Question 12

A Local Multipoint Distribution Service (LMDS)  network is composed of ____.

Accepted Answer

A)   piconets
B)   masters and slaves
C)   cells
D)   subnetsE) A) and B)
F) C) and D) C

Question 13

Describe a geosynchronous earth orbit.

Accepted Answer

Geosynchronous earth orbiting (GEO) sate...

Question 14

What type of wireless network is used for portable or stationary devices that are within 107 meters (350 feet)  of each other or a centrally located access point?

Accepted Answer

A)   WPAN
B)   WLAN
C)   WMAN
D)   WWANE) B) and D)
F) B) and C) B

Question 15

A(n) ____________________ transmission is for communication between one sender and multiple receivers.

Accepted Answer

The answer of A(n) ____________________ transmission is for communication between...

Question 16

What is the main drawback of 802.15.1 technology?

Accepted Answer

A)   cost
B)   speed
C)   reliability
D)   All of the aboveE) A) and D)
F) B) and C)

Question 17

What is an application of RFID technology?

Accepted Answer

A)   Cards with embedded RFID chips are widely used as electronic cash in casinos
B)   Major retailers are requiring that cases and pallets of merchandise shipped to their warehouses from large vendors have an RFID tag affixed
C)   Beginning in 2005 U.S. passports will have an RFID tag embedded in the document
D)   All of the aboveE) A) and B)
F) A) and C)

Question 18

A group of piconets in which connections exist between different piconets is called a(n) ____________________.

Accepted Answer

The answer of A group of piconets in which connections...

Question 19

Free space optics (FSO)  transmissions are sent by low-powered ____ beams through the open air.

Accepted Answer

A)   infrared
B)   fiber optic
C)   RF
D)   wirelessE) A) and B)
F) B) and D) A

Question 20

____ is another name for IEEE 802.15.3a.

Accepted Answer

A)   Megaband
B)   Bluetooth
C)   Ultrawideband
D)   BroadbandE) B) and C)
F) A) and D)

Exam 12: Personal, Metropolitan, and Wide Area Wireless Networks

A device in ____ mode is part of the piconet but is in a low-power state.

Correct AnswerverifiedShow Answer

What is the recommended color for the window in an IrDA device?

Correct AnswerverifiedShow Answer

What is a piconet?

Correct AnswerverifiedWhen two 802.15.1 devices come within ra...View AnswerShow Answer

Power consumption is so low for 802.15.4 devices that it is estimated that batteries powering the devices can last up to ____.

Correct AnswerverifiedShow Answer

The angle at which the sending and receiving IrDA devices align or face each other is very important. When the two devices have a deflection angle of no more than ____ degrees, the distance between devices can be up to 1 meter.

Correct AnswerverifiedShow Answer

What type of RFID tag operates at 2.45 GHz?

Correct AnswerverifiedShow Answer

____________________ RFID tags do not have their own power supply. Instead, the tiny electrical current induced in the antenna by the incoming signal from the transceiver provides enough power for the tag to send a response.

Correct AnswerverifiedShow Answer

What is the shape of cells in a cellular telephone network?

Correct AnswerverifiedShow Answer

A ____ satellite remains "fixed" over a given location on the earth and seems to hang motionless in space.

Correct AnswerverifiedShow Answer

How does the MAC layer of WiMAX (Worldwide Interoperability for Microwave Access) differ from that used in IEEE 802.11a/b/g?

Correct AnswerverifiedThe MAC layer of WiMAX (Worldwide Intero...View AnswerShow Answer

Describe the last mile connection problem.

Correct AnswerverifiedOne of the problems that plagues both ho...View AnswerShow Answer

A Local Multipoint Distribution Service (LMDS) network is composed of ____.

Correct AnswerverifiedC

Describe a geosynchronous earth orbit.

Correct AnswerverifiedGeosynchronous earth orbiting (GEO) sate...View AnswerShow Answer

What type of wireless network is used for portable or stationary devices that are within 107 meters (350 feet) of each other or a centrally located access point?

Correct AnswerverifiedB

A(n) ____________________ transmission is for communication between one sender and multiple receivers.

Correct AnswerverifiedShow Answer

What is the main drawback of 802.15.1 technology?

Correct AnswerverifiedShow Answer

What is an application of RFID technology?

Correct AnswerverifiedShow Answer

A group of piconets in which connections exist between different piconets is called a(n) ____________________.

Correct AnswerverifiedShow Answer

Free space optics (FSO) transmissions are sent by low-powered ____ beams through the open air.

Correct AnswerverifiedA

____ is another name for IEEE 802.15.3a.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
When two 802.15.1 devices come within ra...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The MAC layer of WiMAX (Worldwide Intero...
View Answer

Correct Answer
verified
One of the problems that plagues both ho...
View Answer

Correct Answer
verified
C

Correct Answer
verified
Geosynchronous earth orbiting (GEO) sate...
View Answer

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified