Welcom to Charter
Which condition is cause to immediately leave an attic space and notify a lead or supervisor?
Electrical wires with exposed conductors
Which three of the following are signs that you are drowsy driving?
Hitting a rumble strip on the side of the road. Difficulty remembering the past few miles driven. Yawning or blinking frequently.
True or False: When there’s no nearby electrical outlet where the integrated splitter amplifier (ISA) is installed, then the installer can power the ISA through a power inserter.
True
In the meter display pictured here, the scale on the left side of the graph is marked in 10 dBmV intervals. What are these intervals called?
dB per Division
What is the vertical clearance requirement at utility poles between CATV and telephone lines?
12 inches
You have noticed that the aerial tap you need to access is surrounded by heavy foliage. What does the SAFE method tell us to do first?
Decide if the foliage will require trimming prior to attempting this work.
When two vehicles arrive at a 4-way stop at the same time, and are located side by side, which vehicle has the right of way?
The vehicle to the right.
A set-top box is connected through a 2-way splitter and has a transmit level of 40 dBmV. If the splitter is eliminated and the set-top box is connected directly, will its new transmit level be higher, lower, or the same?
Lower
True or False: The CATV plant must be an open system that allows RF energy to leak out at frequencies used for air navigation and 4G communication.
False
What is the minimum vertical clearance that must be maintained as cables pass over interstates, highways, and county roads?
18 feet
Employees can identify hazards and manage risk through SAFE: Stop, Assess, _______, Eliminate.
Focus
What height must traffic cones be if they might be used during nighttime hours?
28 to 36 inches.
Which statement about splitter and directional coupler (DC) insertion loss is TRUE?
A 2 way splitter will have equal loss per leg, a DC will have different losses per leg.
True or False: The body belt is to be worn low on the hips and not around the center of the waist.
True
Which of the following statements about ring voltage is TRUE?
Disconnect the line you’re working on to avoid possibly hazardous ring voltage
Which three answers list employee safety responsibilities?
Using PPE when required Reporting unsafe conditions Adhering to manufacturer recommendation
What Traffic Control Devices does Charter issue?
traffic cones, traffic flags, stop/slow paddles, warning signs
Which statement regarding quadrature amplitude modulation (QAM) is TRUE?
QAM is a method for using two carriers, each having the same frequency but out of phase with each other by 90 degrees
Which statement regarding the decibel millivolt (dBmV) is TRUE?
An SLM reading of 0 dBmV means that 1 mV was measured across 75 Ω of impedance
Which answer states the proper way to protect the drop cable when it must enter or exit the ground?
Conduit or guard must go at least 3 inches into the ground with an 8 inch- deep hole to accommodate the proper bend radius.
What is meant by a "Culture of Interdependence"?
Employees, supervisors and managers take responsibility for their safety and the safety of others
Temporary Traffic Control (TTC) refers to ______________.
measures we must take, to provide for the reasonable, safe, and effective movement of road users, when normal function of a road open to public travel is temporarily suspended
Which term describes a pathway that delivers carriers from the set-top box to the headend, such as PPV purchase information and Video On Demand (VOD) requests?
Reverse Band Data Path
Which of these is a tool that displays noise or ingress in the return spectrum and can show readouts like those pictured here?
Spectrum Analyzer
Which general statement about channel bonding is TRUE?
A charter approved DOCSIS 3.0 or higher modem must be installed when channel bonding is required.