# RCDD Chapter 13 Private Catv Distribution System

14 Questions | Total Attempts: 326  Settings  Registered Communications Distribution Designer (RCDD)

• 1.
A two way splitter divides a signal evenly while maintaining a _______ impedance.
• A.

50 ohm

• B.

65 ohm

• C.

75 ohm

• D.

100 ohm

• 2.
Proof of performance testing involves what two steps:
• A.

Aligning/balancing the system

• B.

Signal ingress

• C.

Determining system loss

• D.

Testing the system and its components

• 3.
What is the loss for Series 11 coaxial type cable at 450 MHz
• A.

1.25 dB

• B.

1.97 dB

• C.

2.50 dB

• D.

2.75 dB

• 4.
What device divides a signal evenly while maintaining a 75 ohm impedance:
• A.

Two-way splitter

• B.

Multiport tap

• C.

Directional coupler

• D.

Combiner

• 5.
What device has several inputs and a single output.
• A.

Splitter

• B.

Directional coupler

• C.

Multiport tap

• D.

Combiner

• 6.
What device is a splitter with uneven outputs:
• A.

Two-way splitter

• B.

Directional coupler

• C.

Multiport tap

• D.

Combiner

• 7.
A typical cable system consists of what three basic elements:
• A.

Entrance facility (EF)

• B.

• C.

Distribution system

• D.

Design system

• E.

Subscriber drop

• 8.
What are the two basic topologies used in private CATV distribution systems:
• A.

Lay in

• B.

Home run

• C.

Bus

• D.

Trunk and tap

• 9.
Which topology is usually the least expensive way to serve an area.
• A.

Home run

• B.

Trunk and Tap

• 10.
Most cable loss values are based on a temperature of:
• A.

10 degrees C (45 degrees F)

• B.

15 degrees C (60 degrees F)

• C.

20 degrees C (68 degrees F)

• D.

25 degrees C (74 degrees F)

• 11.
What is the loss for a series 11 coaxial cable at 55 MHz:
• A.

0.50 dB

• B.

0.74 dB

• C.

0.83 dB

• D.

0.96 dB

• 12.
What are two factors that must be considered when calculating losses in designing a network:
• A.

Connector loss

• B.

Cable loss

• C.

• D.

Device loss

• E.

Transmitter loss

• 13.
In horizontal telecommunications cabling, the home run design is called a ________ topology.
• A.

Hierarchial star

• B.

Star

• C.

Bus

• D.

Ring

• 14.
A two way splitter results in an approximate signal loss of _____.
• A.

2 dB

• B.

3 dB

• C.

5 dB

• D.

10 dB

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