Delivering Cable Services All Possible Questions and Answers 2023 with complete solution
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Delivering Cable Services
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Delivering Cable Services
Delivering Cable Services All Possible Questions and Answers 2023 with complete solution
what major sources of television programming are available to broadband cable operators
over-the-air, terrestrial microwave, direct cable feed, satellites, and local originating programming
what are 3 main...
delivering cable services all possible questions and answers 2023 with complete solution what major sources of television programming are available to broadband cable operators over the air
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Delivering Cable Services All Possible Questions and
Answers 2023 with complete solution
what major sources of television programming are available to broadband cable
operators
over-the-air, terrestrial microwave, direct cable feed, satellites, and local originating
programming
what are 3 main elements of a broadband cable network?
the headend, the distribution network composed of coax and fiber, and the drop at the
customers premise
In a broadband network, what group is responsible for ensuring that the network
remains in smooth running order by dispatching crews to carry out routine
system testing, preventative, maintenance, and equipment testing/replacement?
Network operations Center (NOC)
In a broadband cable network, which administrative group maintains
communication with installers construction/maintenance techs, and the customer
service department?
Dispatch
In the United States, downstream broadband radio frequency (RF) signals
traveling inside the coax cable start at what frequency?
54 MHz
What is typically used to represent computer characters or words?
ASCII code
what analog TV impairments are no longer problems in digital video?
Ghosting and Snow
What happens as RF signals travel over cable?
RF signal levels decrease over distance
What type of traffic is transported over a broadband cable network's return path?
Voice and data traffic along with communications via set-top boxes and other monitoring
devices throughout the network.
What are factors that determine a conductor's resistance?
Conductor material, diameter, length, and temperature
Which of the following organizations set of rules and regulations provides
regulations for the safeguarding of persons during installation, operation, or
maintenance of electrical supply and communication lines and associated
equipment?
The National Electrical Safety Code (NESC)
Installing drop cable involves complying with routing restrictions such as
avoiding aerial trespass. What is aerial trespass?
Installing aerial drop cable across property lines.
A cable caddy holds the cable reel, which helps the installer from damaging the
cable when carrying it unreeling it. In most cases where should you place the
cable caddy so that all lengths of cable can be routed and cut without having to
move the cable caddy very far?
, Near the ground block.
Whenever there is any possibility of pedestrian traffic near the cable stringing
route, what should be done?
Safety cones should be placed along the cable stringing route.
Before climbing a pole, perform the OSHA specified pole test. What does this test
ensure?
That the poll will support the weight of the climber.
Why are messenger drop wire clamps used in aerial drop applications?
To preserve the signal-carrying capability of an aerial drop cable
Which of the following is a factor when determining where to place a span clamp
on a strand?
the polls location relative to the customers premises.
what is the minimum horizontal climbing space must be left to clear?
30 Inches Square
What is the first step when attaching aerial drop cable to a house hook?
To lift up the drop cable to the house hook to simulate the proper cable sag from the poll
to the strand.
When light strikes a medium ar an angle less than the critical angle, what
happens to the light?
It is reflected.
In a fiber optic cable, What is the purpose of cladding?
To guide the light down the fiber.
You are planning a fiber optic network and want to amplify the signal so that you
can send it further into the field. At which wavelength must the laser emit?
1,550 nm
What should you use to pick up fiber optic pieces after you splice a cable?
Tweezers
You are doing an aerial installation of fiber optic cable. When you survey the
installation path, you see the path runs near several short outbuildings and over
a series of hedges. Which installation method should you use?
The pull in method.
How should you connect the OTDR to the fiber optic cable?
With an optical mechanical splice
As you prepare To set up the fiber optic network, you realize you need a coupler
that will allow any of its ports to be used as either an input or output. Which
coupler should you use?
A reflective star coupler
Which answer below best represents the Progression of fiber optic network
architecture?
Fiber to the feeder, fiber to the neighborhood, fiber to the curb, fiber to the home
Why is the broadband cable Industry developing its own passive optical network
standard instead of using standards already developed by the enter national
telecommunication Union and the institute of electrical and electronics
engineers?
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