.....is the most important step in converting data in a transmitter
Ans✓✓✓ modulation is the most important step in converting data in a
transmitter
A .... address is unique to every device and identifies a network's
equipment. Ans✓✓✓ a MAC address is unique to every device and
identifies a network's equipment
a .... sends packets to different locations on a network and connects to
outside networks. Ans✓✓✓ a gateway sends packets to different
locations on a network and connects to outside networks.
A ..... controls incoming and outgoing network traffic and determines
what will be allowed through based on a set of security rules. Ans✓✓✓
A firewall controls incoming and outgoing network traffic and
determines what will be allowed through.
A "just noticeable" change in sound pressure level, either louder or
softer, requires a .... change. Ans✓✓✓ +/-3db change
a 4 x 2 matrix switcher.... Ans✓✓✓ a 4x2 matrix switcher can connect
any of four inputs to one or both of two outputs
A client needs a display system for a room that will be used for
inspected detailed drawings of computer system networks. Which of the
,online DISCAS tools should be used to make the calculations for screen
size, viewer distance, and content size? Ans✓✓✓ the Online Analytical
Decision Making Tool
A client needs a display system for a room that will be used for
inspecting detailed drawings of computer system networks. Which of the
online DISCAS tools should be used to make the calculations for screen
size, viewer distance, and content size. Ans✓✓✓ the online analytical
decision making tool
A client require a new boardroom. The salesperson and engineer are sent
to the premises to survey the facility and discuss the opportunity with
the client. This process is best described as: Ans✓✓✓ Needs analysis
A client requires a front projection system. What drawings do you need
to determine the appropriate lens? Ans✓✓✓ reflected ceiling plans and
elevations
A current is always seeking to return to the...... Ans✓✓✓ a current is
always seeking to return to the source
A customer indicates that they would like to purchase an additional
warranty of service from the integrator that covers an extension of the
manufacturers' warranties, service visits, and pre-planned schedule of
preventative maintenance visits. What is the customer describing?
Ans✓✓✓ A Service Agreement
,a customer is reporting instances of "distortion" in a recently installed
and calibrated audio system. What is the first thing that should be done?
Ans✓✓✓ Check the gain structure on all audio devices in the system
A customer is reporting that a wireless handheld microphone is not
working in a space. You've tested the microphone, the channel input on
the mixer, and all associated connections and the mic still doesn't work.
What is the next logical step in troubleshooting?
a. swap out the mic for another known working unit or source in the
system to ensure the actual channel is working properly
b. specify a new replacement wireless microphone system for the user as
the current system is not operational?
c. specify a new mixer for the user as the current system is not
operational
d. tell the user they'll need to engage the manufacturer for any furhter
troubleshooting and RMA process as that's out of your scope. Ans✓✓✓
a. swap out the mic for another known working unit or source in the
system to ensure the actual channel is operational
A quick and accurate means to estimate dimensions of a commercial
space during a site inspection would be to: Ans✓✓✓ count the umber
of ceiling tiles in a drop tile installation
A signal that has many varying states is called a....signal. Ans✓✓✓ A
signal that has many varying states is an analog signal.
, A simple dimmer rack is feeding 24 incandescent lights during a stage
production. The rack is running on a steady 230V AC supply and
averaging a current draw of approximately 98 amps. Suddenly the line
voltage drops to 211V AC. Calculate the expected current draw at this
new voltage Ans✓✓✓ 90 amps.
Ohms law formula
A simple dimmer rack is feeding 24 incandescent lights during a stage
production. The rack is running on a steady 230v AC supply and
averaging a current draw of approximately 98 amps. Suddenly the line
voltage drops to 211v AC. Calculate the expected draw at this new
voltage. Ans✓✓✓ 90 Amps
The question is to test familiarity with Ohm's Law and the relationships
between voltage, current, and resistance. If the voltage decreases but the
load remains constant, than the current must also decrease. So if the
voltage falls from 230 to 211 volts than the current must fall
proportionately. As 211/230=.92 the current drawn will be
98x.92=90.16(90 amps), **Note that incndescenet lamps are a resistive
load, not a constant power load such as an amp or a projector. The
answer would be different with a constant power device.