Signal Knowledge
Acronyms
Internet
Phone
Misc Cable
100

These 3 components of a signal are effected by modulation

What are Phase, Frequency & Amplitude

100

SAFE

What is stop, assess, focus, eliminate

100

TRUE OR FALSE: Depending on what service the customer is subscribed to, they may get an HSD only modem or an eMTA installed

What is False

100

Station wire (phone) contains ____ pairs

What is 2

100

This is the leg that an eMTA should be connected to when being fed by an amp/ISA.

What is Passive Leg/3.5 dB loss

200

Floor noise at Charter is set to ______ dBmV

What is -40

200

GOAL

What is get out and look

200

These devices also use the 2.4 & 5 GHz band and therefore can interfere with WiFi connectivity

What are Bluetooth

200

TRUE OR FALSE: Customers can subscribe to a single-play service for Phone only.

What is False

200

The height requirement for your safety cones is ____ to _____

What is 28 to 36 inches

300

This is an analog distortion caused by voltage on carriers 60 Hz or 120 Hz

What is Hum Modulation

300

CMTS

What is cable modem termination system

300

This command prompt will display the route from source to destination

What is Traceroute

300

This is a common issue with Standard 2-Pair phone wiring. Its symptoms include hearing part of a conversation from another circuit while using your phone.

What is Crosstalk

300

The correct order of steps in the troubleshooting model are 

What are Analyze, Isolate, Fix, Verify

400

This part of coaxial cable is critical in maintaining the 75 ohms of characteristic impedance because it provides separation between the two conductors within the cable.

What is the dielectric

400
QAM

What is Quadrature Amplitude Modulation

400

This command prompt can be used to test latency of a website

What is continuous ping

400

When splicing CAT5 phone wire with existing CAT3 wire, match the ORANGE/WHITE with __________

What is Black

400

If a conductor is broken in phone this impairment is called _________

What is an open

500

256 QAM carries _____ bits per symbol and has 64 symbols

What is 8

500

DOCSIS

What is Data Over Cable Service Interface Specifications 

500

To test the speed capacity of the plant using your meter, you would run a _________ test on the coax.

What is Throughput

500

This is the Telco demarcation point

What is NID (network interface device)

500

This measurement represents the overall quality of a digital signal

What is MER

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