_____ is not a necessary specification for a microphone. Ans✓✓✓
Input impedance
_____ topology provides the best possible redundancy, but is so
expensive that it's rarely used. Ans✓✓✓ Fully meshed
__________ is how likely the wall and the mounting are to be cut in
two. Ans✓✓✓ Shear
. In a composite video signal, what determines the brightness?
Ans✓✓✓ Amplitude
"Weighting" a sound pressure level measurement accounts for
differences in the way _____. Ans✓✓✓ humans perceive different
frequencies at a given listening level
0 dB SPL describes: Ans✓✓✓ the threshold of human hearing
120V three-phase power distribution system uses __ wires. Ans✓✓✓
four
1mm = how many inches Ans✓✓✓ .0393
A _____ bit display will display 65,536 colors. Ans✓✓✓ 16
,A _____ uses unique, hard-coded physical addresses, known as Media
Access Control (MAC) addresses, to send data between nodes.
Ans✓✓✓ local area network (LAN)
A -58 dBu would be a typical signal level for a(n) _____. Ans✓✓✓
microphone
A 1000BaseT network transmits _____. Ans✓✓✓ 1 Gbps baseband
signals over twisted pair Cat cables
A 16:9 screen will be installed in a lecture hall. The screen's diagonal is
72 inches (1829 mm). What is its width? Ans✓✓✓ 59.5
A cable with one conductor and a shield is Ans✓✓✓ Unbalanced.
A camera was installed about 180' (55m) from its 1.5A 12v power
supply, the power supply is dead, and needs replacing. Assuming that
the camera can operate normally within +/- 10% of the power supply
voltage, if 18 gauge wire was run initially and an almost 3v drop is
present, what is the correct action? Ans✓✓✓ Re-locate the power
supply near the camera
A client requires a new boardroom. The sales person and engineer are
sent to the premises to measure the facility and talk to the client. At this
stage they should be performing a _ Ans✓✓✓ Needs Analysis
,A client requires a new boardroom. The sales person and engineer are
sent to the premises to measure the facility and talk to the client. At this
stage they should be performing a ____ Ans✓✓✓ Needs Analysis
A common technique for reducing the depth requirements of a rear
projection space is Ans✓✓✓ Folding the light path
A complete project documentation package includes: Ans✓✓✓
Contract documents
Project specifications
Project drawings: architectural and system
A dB may be used to express or describe Ans✓✓✓ SPL
A dedicated computer configured to perform only one service is known
as a _____. Ans✓✓✓ thin server
A device on a DHCP-enable network might receive an APIPA address if
_____. Check all that apply. Ans✓✓✓ the DHCP server has
mechanically failed; the DHCP server's pool of addresses is exhausted
A device with an APIPA address can communicate with ____.
Ans✓✓✓ any APIPA-enabled devices on the same subnet
, A dimmer rack with a constant load capability is powering twenty four
incandescent lights during a stage production. The dimmer rack is
running on a steady 230VAC supply and averaging approximately 98
amps draw. Suddenly the line voltage drops to 211VAC. Calculate the
expected amperage draw. Ans✓✓✓ 90 amps
A firewall policy in which all network traffic is forbidden unless it is
specifically allowed is known as _____. Ans✓✓✓ default deny
A fundamental step in supporting the end user's needs is Ans✓✓✓
determining the overall function of the room or facility type
A fundamental step in supporting the end user's needs is: Ans✓✓✓
determining the overall function of the room or facility type
A laptop input on a lectern is not working. The interface is connected to
a 5 BNC wall plate. The interface is receiving signal and the projector is
on the correct input. What is the next step in troubleshooting theissue?
Ans✓✓✓ Reverse the H and V sync cables.
A loopback address sends data ____. Ans✓✓✓ back to the node that
sent it
A network administrator can allow unrequested incoming traffic, such as
remote Telnet commands from a particular device, using _____.
Ans✓✓✓ port forwarding