Infocomm CTS-I Study Guide questions with accurate
answers
10 dB in level change Ans✓✓✓ The human hear can hear
10 ms Ans✓✓✓ Considered bad acoustic reflection if less than...
10-35 ms Ans✓✓✓ Considered a good amount of time for acoustic
reflection.
10.0.0.0
172.16-31.0.0
192.168.0.0 Ans✓✓✓ Large Network
Medium Network
Small Network
169.254.0.0 - 169.254.255.254 Ans✓✓✓ Range of addresses used for
automatic private IP addressing used in the absence of a static IP address
or dynamic address assignment
A 1080p HDTV signmal with a frame rate of 30 Hz will reproduce
images at Ans✓✓✓ 30 frames per second
A customer has recently changed their phone system from a traditional
POTS line to a VoIP-based switch. The new VoIP switch still dials out
,properly but no longer hangs up when the far end disconnects. What is
the MOST likely problem? Ans✓✓✓
A ground fault is Ans✓✓✓ an electrical connection between any
grounded conductor and any non-current-carrying metal object
ADA Ans✓✓✓ The Americans with Disabilities Act of 1990 is a civil
rights law that prohibits discrimination based on disability.
AHJ Ans✓✓✓ Authority Having Jurisdiction
Application Layer Ans✓✓✓ Layer 7. This layer defines human
interaction with data on the network.
AS Ans✓✓✓ Above slab
At the end of the project, once installation and verification are complete,
acceptance of the completed system is documented in a commissioning
report and typically signed by: Ans✓✓✓ Owner
Before replacing or upgrading any system remember to Ans✓✓✓ test
and document the existing system in the room before making changes.
ANSI/Infocomm 10:2013
, Best practices for dressing a rack Ans✓✓✓ Bundle signals by type, use
removable cable ties to secure cable bundle, secure heavy cables to
lacing bars, and keep power cables separate from signal cables
CCD Ans✓✓✓ Construction Change Directive
CO Ans✓✓✓ Change order
Commonly used for video and radio frequency (RF), contains a single
center conductor that is surrounded by a dielectric. Ans✓✓✓ Coaxial
Cable
Compressor Ans✓✓✓ A device that controls the overall amplitude of a
signal by reducing the part of the signal that exceeds an adjustable level
(threshold) set by the user.
Conduit capacity for one cable Ans✓✓✓ 53% D > √d²/0.53
Conduit capacity for three or more cables Ans✓✓✓ 40% D >
√d²+d²+d²..../0.40
Conduit capacity for two cables Ans✓✓✓ 31% D > √d²+d²/0.31
Damping factor Ans✓✓✓ (DF)is defined as "the ratio of the load
impedance (loudspeaker plus wire resistance) to the amplifier internal
answers
10 dB in level change Ans✓✓✓ The human hear can hear
10 ms Ans✓✓✓ Considered bad acoustic reflection if less than...
10-35 ms Ans✓✓✓ Considered a good amount of time for acoustic
reflection.
10.0.0.0
172.16-31.0.0
192.168.0.0 Ans✓✓✓ Large Network
Medium Network
Small Network
169.254.0.0 - 169.254.255.254 Ans✓✓✓ Range of addresses used for
automatic private IP addressing used in the absence of a static IP address
or dynamic address assignment
A 1080p HDTV signmal with a frame rate of 30 Hz will reproduce
images at Ans✓✓✓ 30 frames per second
A customer has recently changed their phone system from a traditional
POTS line to a VoIP-based switch. The new VoIP switch still dials out
,properly but no longer hangs up when the far end disconnects. What is
the MOST likely problem? Ans✓✓✓
A ground fault is Ans✓✓✓ an electrical connection between any
grounded conductor and any non-current-carrying metal object
ADA Ans✓✓✓ The Americans with Disabilities Act of 1990 is a civil
rights law that prohibits discrimination based on disability.
AHJ Ans✓✓✓ Authority Having Jurisdiction
Application Layer Ans✓✓✓ Layer 7. This layer defines human
interaction with data on the network.
AS Ans✓✓✓ Above slab
At the end of the project, once installation and verification are complete,
acceptance of the completed system is documented in a commissioning
report and typically signed by: Ans✓✓✓ Owner
Before replacing or upgrading any system remember to Ans✓✓✓ test
and document the existing system in the room before making changes.
ANSI/Infocomm 10:2013
, Best practices for dressing a rack Ans✓✓✓ Bundle signals by type, use
removable cable ties to secure cable bundle, secure heavy cables to
lacing bars, and keep power cables separate from signal cables
CCD Ans✓✓✓ Construction Change Directive
CO Ans✓✓✓ Change order
Commonly used for video and radio frequency (RF), contains a single
center conductor that is surrounded by a dielectric. Ans✓✓✓ Coaxial
Cable
Compressor Ans✓✓✓ A device that controls the overall amplitude of a
signal by reducing the part of the signal that exceeds an adjustable level
(threshold) set by the user.
Conduit capacity for one cable Ans✓✓✓ 53% D > √d²/0.53
Conduit capacity for three or more cables Ans✓✓✓ 40% D >
√d²+d²+d²..../0.40
Conduit capacity for two cables Ans✓✓✓ 31% D > √d²+d²/0.31
Damping factor Ans✓✓✓ (DF)is defined as "the ratio of the load
impedance (loudspeaker plus wire resistance) to the amplifier internal
