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MT1-2 2022 SCTE Questions with correct answers
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MT1-2 2022 SCTE Questions with correct answers
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MT1-2 2022 SCTE Questions with correct answersA_ is a device that is used to measure the amplitude of a forward path
signal Correct Answer-Signal level meter
When using the divide and conquer (or half split method)
troubleshooting method, if the signal level at a tap indicates a signal
level below minimum, the next place to check would be: Correct
Answer-The output of the amplifier upstream
When using a handheld digital signal analyzer (H-DSA) or signal level
meter (SLM) the difference between an analogs video and audio carrier
levels are expressed as a ratio of dB called the: Correct Answer-Delta
True or false: when coax lines are close together, the signal from the
locator is induced onto the parallel conductor making accurate location
easy. Correct Answer-False
A signal leakage reading of 5 uV/M at 271 MHz has been detected from
30 feet away. What should you do? Correct Answer-Re-measured from a
distance of 10 feet
The resistance of a short piece of coax cable will read approximately
___ on an ohm-meter. Correct Answer-Infinity
What is the problem associated with the donut constellation? Correct
Answer-Coherent (discrete) interference
,After connecting the drop to the set top box, no digital picture appears
on the TV. What course of action should be down next? Correct
Answer-Verify hookup- component, HDMI, composite, etc
When using a VOM on a feeder/distribution coax, the amount of
resistance measured in ohms across the center conductor and outer metal
shield when a short circuit is present will likely be: Correct Answer-
Close to zero
True or false: when no RF is available at a set top box or cable modem,
check levels at the station cabinet or tap plate. Correct Answer-False
A customers installation is not working correctly. Where should the first
RF reading be taken? Correct Answer-At the wall plate
What is going on with the constellation? Correct Answer-Too much
noise, interference, or non-linearity
MPEG specifies different degrees of compression vs. quality by
specifying Correct Answer-profiles and levels
What is the table that has a PID value of Ox1FFF ? Correct Answer-Null
Which MPEG - TS field is concerned with the 27MHz program clock
reference ? Correct Answer-Adaptation
, What is the common stream type for MPEG - 2 video ? Correct Answer-
02
Which MPEG frame type offers the best compression ratio ? Correct
Answer-Bi - directional frame
What are the components of an MPEG - 2 macroblock ? Correct
Answer-8 x 8 blocks
Which ATSC PSIP base table extensions provides version , size and
carries PIDs for all other tables ? Correct Answer-MGT
Which is the TSID for video? Correct Answer-1110 1111
Which MPEG frame type uses data from the previous frames to
reconstruct the MPEG video ? Correct Answer-P - frame
What statement describes a PMT ? Correct Answer-This entry contains
the PID values of each of the elementary streams ( video audio , data )
which make up a program
What is the first step of A / D conversion ? Correct Answer-Sample
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