Filters
Question type

When two neighbors watch the same channel on television, they are watching exactly the same signal.

A) True
B) False

Correct Answer

verifed

verified

Multiplexers vary in size depending on the number of ________.

Correct Answer

verifed

verified

Older analog systems were one-way transmission systems-upstream only.

A) True
B) False

Correct Answer

verifed

verified

The 1996 Telecom Act granted the cable television industry the right to offer voice services in the local network.

A) True
B) False

Correct Answer

verifed

verified

The new fiber-optic digital CATV networks are called hybrid fiber ________ networks.

Correct Answer

verifed

verified

The greatest advantage that cable modems have is that of a shared bus topology.

A) True
B) False

Correct Answer

verifed

verified

Which of the following is not a DBS company?


A) EchoStar
B) RoadRunner
C) DIRECTV
D) none of the above (they are all DBS companies)

E) A) and D)
F) B) and C)

Correct Answer

verifed

verified

The lifeline POTS dilemma can be alleviated by:


A) using a separate pair of twisted cable from the terminating box at the curb to the customer's termination box on the side of the building
B) placing power in the coax bus and using this power to feed the terminating box on the house
C) either a or b
D) both a and b simultaneously

E) A) and B)
F) None of the above

Correct Answer

verifed

verified

Which of the following is a factor influencing a CATV network?


A) tariff costs
B) interconnection agreements between the CATV provider and the ILEC
C) the philosophy of the CATV engineer
D) all of the above

E) A) and B)
F) B) and D)

Correct Answer

verifed

verified

Both the hybrid coax fiber box and the telephone companies' digital loop carriers deployed to extend the CSA of the local plant technically perform the same purpose except that the CATV box is trickier to design and maintain because it has to segregate the video stream from the voice signal.

A) True
B) False

Correct Answer

verifed

verified

Users of cable modems should be concerned today about other users being able to access their files.

A) True
B) False

Correct Answer

verifed

verified

False

The new high-speed data technologies being offered to consumers are called ________ data services.

Correct Answer

verifed

verified

broadband

The benefit of terminating a telephone with twisted pair is that the subscriber can change from the local incumbent to the cable TV provider without making any inside wire changes.

A) True
B) False

Correct Answer

verifed

verified

Replacing coaxial trunking cable with fiber cable in the new cable TV network allowed for:


A) channelized pipe that could be used to segment services such as voice, video, and data
B) elimination of line amplifiers
C) two-way transmission
D) additional bandwidth
E) all of the above

F) None of the above
G) C) and D)

Correct Answer

verifed

verified

In replacing the old analog equipment with new high-speed digital equipment and transforming the outside plant into a high-speed, digital fiber-optic network, the only portion of the network that was not touched was the:


A) subscriber drop
B) feeder cable
C) head-end office
D) trunking cable

E) C) and D)
F) A) and D)

Correct Answer

verifed

verified

The traditional cable TV network is built to carry digital signals.

A) True
B) False

Correct Answer

verifed

verified

Explain the deployment of a typical cable modem.

Correct Answer

Answered by ExamLex AI

Answered by ExamLex AI

The deployment of a typical cable modem ...

View Answer

The main difference between the CATV network and the telephone network is their fundamental underlying physical network architecture; the telephone network is logically a bus and the CATV network is logically a star.

A) True
B) False

Correct Answer

verifed

verified

Because the telephone company uses a star topology, subscribers cannot share telephone lines.

A) True
B) False

Correct Answer

verifed

verified

Once a CATV access network is converted to digital, the provider can offer all of the following except:


A) voice
B) virtual olfactory enhancement
C) video
D) broadband data

E) C) and D)
F) All of the above

Correct Answer

verifed

verified

B

Showing 1 - 20 of 27

Related Exams

Show Answer