Q.1.
The fiber optic transmitter has which of the following functions?
Q.2.
What are the four parts of a fiber optic data link?
Q.3.
Fiber optics uses what medium to send information?
Q.4.
Which customer type(s) can use voice control through an Amazon Alexa device?
Q.5.
Scenario: The customer is attempting to watch Netflix via the Set Top Box (STB) and receiving the message: ESN data is missing. What is the first step to resolve?
Q.6.
The 3 guide view options are?
Q.7.
Which of the following are NOT available methods to access Netflix?
Q.8.
Scenario: A customer has 2 TVs one connected to a MotorolaSet Top Box (STB), the other connected to a DCT-Which of the following is true concerning this customer’s ability to view the Interactive Media Guide (IMG)?
Q.9.
To turn off closed captions, the customer will select the Menu > Settings > System and which option?
Q.10.
The Caller ID on TV Availability option is found under which Menu option?
Q.11.
The customer is viewing Standard Definition content and wants to remove the black bars from the left and right of the screen. The customer will select: Menu >
Q.12.
When a customer selects a future show from the TV programming guide/listings and wishes to record the entire series, rather than just a single episode the customer will take what steps?
Q.13.
The refractive index of core and cladding for a step index fibre are 1.and 1.respectively. The numerical aperature of the fibre is
Q.14.
If the numerical aperature of an optical fibre is 0.then the maximum angle of incidence is __________ degree.
Q.15.
The bending of a wave as it passes at an angle from one medium to another is called?
Q.16.
The bouncing off of light rays from the surface of an object such as a mirror or other shiny surface is called:
Q.17.
If the angle of incidence isdegree, what is the angle between the incident ray and reflecting surface
Q.18.
What is the angle between the reflected ray and the normal called as
Q.19.
What is the angle between the incident ray and the normal called as
Q.20.
The imaginary line perpendicular to a reflecting surface is called _____.