Question 1

Match between columns
                        Premises: ________ Allows only a single user access to a Transmission frequency

Accepted Answer

The Answer of CDMA and FHSS and TDMA and GSM is...

Question 2

What type of antenna is typically used for television reception and the UHF frequency bands?

Accepted Answer

A)  Broadband 
B)  Yagi 
C)  Dipole 
D)  Parabolic Dish 
A)  Broadband 
B)  Yagi 
C)  Dipole 
D)  Parabolic Dish B

Question 3

What standard applies to higher speed LANs, supporting data rates up to 54 Mbps, at 5 GHz.

Accepted Answer

A)  802.11a 
B)  802.11b 
C)  802.11g 
D)  Bluetooth 
A)  802.11a 
B)  802.11b 
C)  802.11g 
D)  Bluetooth A

Question 4

The purpose of a phase array antenna system ________.

Accepted Answer

A)  To broadcast and omni-directional signal 
B)  To act as a filter 
C)  To transmit simultaneously on multiple frequencies 
D)  To increase the radiation pattern and overall gain of transmission 
A)  To broadcast and omni-directional signal 
B)  To act as a filter 
C)  To transmit simultaneously on multiple frequencies 
D)  To increase the radiation pattern and overall gain of transmission

Question 5

A satellite dish is a microwave antenna.

Accepted Answer

A) True 
 B)False

Question 6

What is roaming?

Accepted Answer

A)  Communicating without actually making a dialed call 
B)  Jumping from cell tower to cell tower 
C)  The act of traveling and communicating between adjacent cells 
D)  Transmitting and receiving from multiple towers at one time 
A)  Communicating without actually making a dialed call 
B)  Jumping from cell tower to cell tower 
C)  The act of traveling and communicating between adjacent cells 
D)  Transmitting and receiving from multiple towers at one time

Question 7

What standard provides a short-range communication link between peripheral devices and a computer, typically 10 cm to 10 m apart.

Accepted Answer

A)  802.11a 
B)  802.11b 
C)  802.11g 
D)  Bluetooth 
A)  802.11a 
B)  802.11b 
C)  802.11g 
D)  Bluetooth

Question 8

A typical C-band satellite will include twenty-four transponders, all on separate channel frequencies.

Accepted Answer

A) True 
 B)False

Question 9

Match between columns
                        Premises: ________ Used mainly in Europe

Accepted Answer

The Answer of GSM and CDMA and TDMA and FHSS is...

Question 10

A half-duplex system can only transmit a signal .

Accepted Answer

A) True 
 B)False

Question 11

A small-range cellular repeater system intended for indoor use, to allow for an extended use of cell phones is called _________.

Accepted Answer

A)  Pico cell 
B)  Cell tower 
C)  Transmitting station 
D)  Wideband 
A)  Pico cell 
B)  Cell tower 
C)  Transmitting station 
D)  Wideband

Question 12

Match between columns
                        Premises: ________ Uses less power, operates more Efficiently with an expanded number Of time slots

Accepted Answer

The Answer of FHSS and TDMA and CDMA and GSM is...

Question 13

The propagation delays for LEO satellites will be in________.

Accepted Answer

A)  microseconds 
B)  milliseconds 
C)  seconds 
D)  minutes 
A)  microseconds 
B)  milliseconds 
C)  seconds 
D)  minutes

Question 14

Digital signals have only two possible output variations.

Accepted Answer

A) True 
 B)False

Question 15

AM antennas are physically smaller than that of FM antennas.

Accepted Answer

A) True 
 B)False

Question 16

Wireless transmissions are more secure than hard-wired transmissions.

Accepted Answer

A) True 
 B)False

Question 17

The job of a transmitter is to send a signal source over a communication channel.

Accepted Answer

A) True 
 B)False

Question 18

Match between columns
                        Premises: ________ Allows customers to be reassigned frequencies Due to problems of interference and availability

Accepted Answer

The Answer of TDMA and GSM and CDMA and FHSS is...

Question 19

According to the National Electrical Code, lead-in conductors for transmitting stations must be mounted at least ________ clear of the surface of the building.

Accepted Answer

A)  3 inches 
B)  12 inches 
C)  3 ft. 
D)  6 ft. 
A)  3 inches 
B)  12 inches 
C)  3 ft. 
D)  6 ft.

Question 20

Antenna alignment is critical to the quality of reception.

Accepted Answer

A) True 
 B)False

What type of antenna is typically used for television reception and the UHF frequency bands?

What standard applies to higher speed LANs, supporting data rates up to 54 Mbps, at 5 GHz.

The purpose of a phase array antenna system ________.

A satellite dish is a microwave antenna.

What is roaming?

What standard provides a short-range communication link between peripheral devices and a computer, typically 10 cm to 10 m apart.

A typical C-band satellite will include twenty-four transponders, all on separate channel frequencies.

A half-duplex system can only transmit a signal .

A small-range cellular repeater system intended for indoor use, to allow for an extended use of cell phones is called _________.

The propagation delays for LEO satellites will be in________.

Digital signals have only two possible output variations.

AM antennas are physically smaller than that of FM antennas.

Wireless transmissions are more secure than hard-wired transmissions.

The job of a transmitter is to send a signal source over a communication channel.

According to the National Electrical Code, lead-in conductors for transmitting stations must be mounted at least ________ clear of the surface of the building.

Antenna alignment is critical to the quality of reception.

Introduction to the National Electrical Code

Electrical Conductors and Cable

Grounding and Bonding and the 2011 National Electrical Code, Articles 250, 800, 810, and 820

Audio Physics

Audio Signal-Processing, Amplification, and Reproduction Equipment and National Electrical Code Article 640

Networking and Information Technology Equipment

Power Supplies, Batteries, and Emergency Systems

Article 725 of the National Electrical Code; Classification of Circuits

Fire Alarm Systems and National Electrical Code Article 760

Fiber-Optic Cable and National Electrical Code Article 770

Telecommunications, and National Electrical Code Article 800

Security and Card Access System Basics

Close Circuit Television Camera Systems and National Electrical Code Article 820

Filters

Exam 13: Wireless Communications and National Electrical Code Article 810

What type of antenna is typically used for television reception and the UHF frequency bands?

What standard applies to higher speed LANs, supporting data rates up to 54 Mbps, at 5 GHz.

The purpose of a phase array antenna system ________.

A satellite dish is a microwave antenna.

What is roaming?

What standard provides a short-range communication link between peripheral devices and a computer, typically 10 cm to 10 m apart.

A typical C-band satellite will include twenty-four transponders, all on separate channel frequencies.

A half-duplex system can only transmit a signal .

A small-range cellular repeater system intended for indoor use, to allow for an extended use of cell phones is called _________.

The propagation delays for LEO satellites will be in________.

Digital signals have only two possible output variations.

AM antennas are physically smaller than that of FM antennas.

Wireless transmissions are more secure than hard-wired transmissions.

The job of a transmitter is to send a signal source over a communication channel.

According to the National Electrical Code, lead-in conductors for transmitting stations must be mounted at least ________ clear of the surface of the building.

Antenna alignment is critical to the quality of reception.

Introduction to the National Electrical Code

Electrical Conductors and Cable

Grounding and Bonding and the 2011 National Electrical Code, Articles 250, 800, 810, and 820

Audio Physics

Audio Signal-Processing, Amplification, and Reproduction Equipment and National Electrical Code Article 640

Networking and Information Technology Equipment

Power Supplies, Batteries, and Emergency Systems

Article 725 of the National Electrical Code; Classification of Circuits

Fire Alarm Systems and National Electrical Code Article 760

Fiber-Optic Cable and National Electrical Code Article 770

Telecommunications, and National Electrical Code Article 800

Security and Card Access System Basics

Close Circuit Television Camera Systems and National Electrical Code Article 820

Filters