Q.1
The fiber optic transmitter has which of the following functions?
  • Amplifies the optical signal
  • Converts the electrical input signal to an optical signal
  • Converts the input optical signal to an electrical signal
  • Amplifies the output electrical signal
Q.2
What are the four parts of a fiber optic data link?
  • Transmitter, optical fiber, connectors/splices, receiver
  • Transmitter, optical fiber, data, optical connectors
  • Optical fiber, data, optical connectors, receiver
  • Optical fiber, optical connectors, optical splices, data
Q.3
Fiber optics uses what medium to send information?
  • Electrons
  • Phonons
  • Light
  • None of these are correct
Q.4
Which customer type(s) can use voice control through an Amazon Alexa device?
  • Legacy only
  • Quantum only
  • Legacy and Quantum
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?
  • Create trouble ticket
  • Confirm the customer has a working internet connection
  • Advise the customer to exit and relaunch the Netflix app
Q.6
The 3 guide view options are?
  • Large, Medium and Small
  • Wide, Standard and Petite
  • Full, Half-Screen and Mini
Q.7
Which of the following are NOT available methods to access Netflix?
  • Menu > Video on Demand & Channel 1888
  • Menu > Pay Per View option & Channel 1001
  • Menu > DVR & Star button on the remote
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)?
  • Guide is only available on the DCT-700
  • Guide is available on both the Motorola 7232 STB and the DCT-700
  • Guide is only available on the Motorola 7232 STB
Q.9
To turn off closed captions, the customer will select the Menu > Settings > System and which option?
  • Accessibility
  • Parental/Purchase
  • Language
Q.10
The Caller ID on TV Availability option is found under which Menu option?
  • Settings > Notifications
  • Message Center > OK button
  • Widgets and Apps
  • None of these
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 >
  • Accessibility > Closed Caption
  • Audio and Video > Video Settings > SD Override
  • Audio and Video > Video Settings > Video Sharpness
  • All of above
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?
  • Press OK
  • Press REC (Record) button once
  • Press REC (Record) button twice
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
  • 0.3523
  • 0.59
  • 0.13
  • 2.71
Q.14
If the numerical aperature of an optical fibre is 0.then the maximum angle of incidence is __________ degree.
  • 0.008
  • 17.5
  • 31
  • 67
Q.15
The bending of a wave as it passes at an angle from one medium to another is called?
  • Convex Lens
  • Refraction
  • Concave Lens
Q.16
The bouncing off of light rays from the surface of an object such as a mirror or other shiny surface is called:
  • mirror
  • laser
  • reflection
  • refraction
Q.17
If the angle of incidence isdegree, what is the angle between the incident ray and reflecting surface
  • 45
  • 90
  • 180
  • none of the above
Q.18
What is the angle between the reflected ray and the normal called as
  • angle of incidence
  • angle of reflection
  • angle of convergent
  • angle of divergent
Q.19
What is the angle between the incident ray and the normal called as
  • angle of incidence
  • angle of reflection
  • angle of convergent
  • angle of divergent
Q.20
The imaginary line perpendicular to a reflecting surface is called _____.
  • crooked line
  • parallel line
  • angular line
  • normal line
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