Question 1

Which of the following statements regarding the 802.11n standard is not true?

Accepted Answer

A) It can handle multiple signals at data rates up to 100 Mbps. 
B) It can operate either on the 2.4 GHz or the 5 GHz bands or both. 
C) It is backwards-compatible with the 802.11b and 802.11g standards. 
D) It operates only on the 2.4 GHz band. 
A) It can handle multiple signals at data rates up to 100 Mbps. 
B) It can operate either on the 2.4 GHz or the 5 GHz bands or both. 
C) It is backwards-compatible with the 802.11b and 802.11g standards. 
D) It operates only on the 2.4 GHz band. D

Question 2

You want to convert DC power into 120 V AC power. Which of the following should you use?

Accepted Answer

A) Power conditioner 
B) Surge suppressor 
C) Inverter 
D) UPS 
A) Power conditioner 
B) Surge suppressor 
C) Inverter 
D) UPS C

Question 3

Which of the following is the first area to check when diagnosing a problem with an audio system?

Accepted Answer

A) Structured wiring 
B) Volume controls 
C) Audio connections 
D) Source device 
A) Structured wiring 
B) Volume controls 
C) Audio connections 
D) Source device D

Question 4

You are trying to connect to the Internet using a Windows Vista laptop. The laptop is not able to obtain an IP address from the DHCP server. The DHCP server is working fine, since all other computers running on Windows XP are able to connect to the Internet. Which of the following should you do to fix the issue?

Accepted Answer

A) Reinstall Windows Vista on the laptop. 
B) Install Windows XP on the laptop. 
C) Disable the DHCP broadcast flag in the system registry. 
D) Run the ipconfig/renew command in the command prompt. 
A) Reinstall Windows Vista on the laptop. 
B) Install Windows XP on the laptop. 
C) Disable the DHCP broadcast flag in the system registry. 
D) Run the ipconfig/renew command in the command prompt.

Question 5

Which of the following is an audio cable that releases all audio frequencies without adding delay?

Accepted Answer

A) Out-of-phase 
B) Asynchronous 
C) Synchronous 
D) In-phase 
A) Out-of-phase 
B) Asynchronous 
C) Synchronous 
D) In-phase

Question 6

What is the normal impedance level of a coaxial cable terminated with a BNC connector?

Accepted Answer

A) 35 ohms 
B) 75 ohms 
C) 55 ohms 
D) 120 ohms 
A) 35 ohms 
B) 75 ohms 
C) 55 ohms 
D) 120 ohms

Question 7

Which of the following is a maximum transmission distance for HIPERLAN?

Accepted Answer

A) 100 meters 
B) 20 meters 
C) 200 meters 
D) 50 meters 
A) 100 meters 
B) 20 meters 
C) 200 meters 
D) 50 meters

Question 8

Which of the following is a standard for residential structured wiring for audio?

Accepted Answer

A) TIA/EIA 568A 
B) TIA/EIA 568B 
C) TIA/EIA 232 
D) TIA/EIA 570A 
A) TIA/EIA 568A 
B) TIA/EIA 568B 
C) TIA/EIA 232 
D) TIA/EIA 570A

Question 9

Which of the following is not a compression method used for video images?

Accepted Answer

A) ACC 
B) VGA 
C) MPEG 
D) MPEG-2 
A) ACC 
B) VGA 
C) MPEG 
D) MPEG-2

Question 10

You want to place the rear surround speakers in an optimal location in a 5.1 surround installation. Which of the following is the recommended location?

Accepted Answer

A) Directly to the left and right and slightly in front of the listeners 
B) Above and behind the listeners 
C) Directly behind the listeners 
D) Directly to the left and right and slightly behind the listeners 
A) Directly to the left and right and slightly in front of the listeners 
B) Above and behind the listeners 
C) Directly behind the listeners 
D) Directly to the left and right and slightly behind the listeners

Question 11

Which of these video signal interfaces separates the video images into RGB color components using three plugs?

Accepted Answer

A) DVI 
B) Composite 
C) S-Video 
D) Component 
A) DVI 
B) Composite 
C) S-Video 
D) Component

Question 12

Which of the following is a switching method that performs error checking on a message?

Accepted Answer

A) Cut-through 
B) Error-check 
C) Store-and-forward 
D) Error-correction 
A) Cut-through 
B) Error-check 
C) Store-and-forward 
D) Error-correction

Question 13

Which of the following systems uses heated water circulating through pipes to heat a room?

Accepted Answer

A) Forced air 
B) Hydronic 
C) Heat pump 
D) Convection 
A) Forced air 
B) Hydronic 
C) Heat pump 
D) Convection

Question 14

Which of the following does the SIP protocol do when one VoIP caller places a call to another VoIP user?

Accepted Answer

A) Converts the telephone number into the MAC address of the destination phone. 
B) Converts the telephone number into the IP address of the destination phone. 
C) Converts the telephone number into the IP address of the source phone. 
A) Converts the telephone number into the MAC address of the destination phone. 
B) Converts the telephone number into the IP address of the destination phone. 
C) Converts the telephone number into the IP address of the source phone.

Question 15

What is the standard aspect ratio of HDTV?

Accepted Answer

A) 2)35:1 
B) 1)78:1 
C) 4:3 
D) 3:2 
A) 2)35:1 
B) 1)78:1 
C) 4:3 
D) 3:2

Question 16

Which of the following statements is not true regarding an IEEE 1394A standard connector?

Accepted Answer

A) The S400 mode supports data rates of up to 400 Mbps. 
B) The maximum cable segment length supported by a 6-pin version is 15 meters. 
C) A maximum of 16 cables can be connected in series. 
D) The total cable length with 16 cables connected in series is 500 feet. 
A) The S400 mode supports data rates of up to 400 Mbps. 
B) The maximum cable segment length supported by a 6-pin version is 15 meters. 
C) A maximum of 16 cables can be connected in series. 
D) The total cable length with 16 cables connected in series is 500 feet.

Question 17

Which of the following configuration types is used in a house when all rooms hear the same audio playback?

Accepted Answer

A) Single-zone 
B) Multi-zone 
C) Dual-zone 
D) Composite 
A) Single-zone 
B) Multi-zone 
C) Dual-zone 
D) Composite

Question 18

Which of the following is the QoS Priority for streaming multimedia transmissions?

Accepted Answer

A) 5 
B) 3 
C) 2 
D) 4 
A) 5 
B) 3 
C) 2 
D) 4

Question 19

Which of the following is a unit used to measure the energy absorption capability of a surge suppressor?

Accepted Answer

A) Amps 
B) Joules 
C) Volts 
D) Ohms 
A) Amps 
B) Joules 
C) Volts 
D) Ohms

Question 20

Your computer is not able to find a DHCP server. Which of the following services is used to assign the IP address to your computer?

Accepted Answer

A) DNS 
B) APIPA 
C) ARP 
D) BOOTP 
A) DNS 
B) APIPA 
C) ARP 
D) BOOTP

Exam 17: Dhti

Which of the following statements regarding the 802.11n standard is not true?

You want to convert DC power into 120 V AC power. Which of the following should you use?

Which of the following is the first area to check when diagnosing a problem with an audio system?

Which of the following is an audio cable that releases all audio frequencies without adding delay?

What is the normal impedance level of a coaxial cable terminated with a BNC connector?

Which of the following is a maximum transmission distance for HIPERLAN?

Which of the following is a standard for residential structured wiring for audio?

Which of the following is not a compression method used for video images?

You want to place the rear surround speakers in an optimal location in a 5.1 surround installation. Which of the following is the recommended location?

Which of these video signal interfaces separates the video images into RGB color components using three plugs?

Which of the following is a switching method that performs error checking on a message?

Which of the following systems uses heated water circulating through pipes to heat a room?

Which of the following does the SIP protocol do when one VoIP caller places a call to another VoIP user?

What is the standard aspect ratio of HDTV?

Which of the following statements is not true regarding an IEEE 1394A standard connector?

Which of the following configuration types is used in a house when all rooms hear the same audio playback?

Which of the following is the QoS Priority for streaming multimedia transmissions?

Which of the following is a unit used to measure the energy absorption capability of a surge suppressor?

Your computer is not able to find a DHCP server. Which of the following services is used to assign the IP address to your computer?

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