Communication Distribution Systems

Question 1

What condition occurs when a signal is induced into one circuit from another?

Answer 1

Crosstalk.

Question 2

What cabling is the most commonly used?

Answer 2

Unshielded twisted pair (UTP).

Question 3

Which category (Cat) of cable can support data rates up to 100Mbps?

Answer 3

Cat 5.

Question 4

Which principle is not addressed in the ANSI/TIA/EIA–568–B standard?

Answer 4

Recommended wireless topology and distances.

Question 5

Which principle is not addressed in the ANSI/TIA/EIA–568–B standard?

Answer 5

Color of the cable.

Question 6

Which TIA/EIA parameter test is a measure of the decrease of signal strength as it travels
down the media?

Answer 6

Insertion loss.

Question 7

Which TIA/EIA parameter test is a measure of the unwanted signal coupling from a
transmitter at the near-end into a neighboring (non-energized) pair measured at the near-end?

Answer 7

Near-end crosstalk (NEXT).

Question 8

Which TIA/EIA parameter test is a measure of the degree of impedance mismatch between
two impedances?

Answer 8

Return loss.

Question 9

Which subsystem of the ANSI/TIA/EIA–568-B structured cabling system provides the point
at which outdoor cabling interfaces with the intrabuilding backbone cabling?

Answer 9

Entrance facility.

Question 10

What cabling system subsystem provides any or all of the functions of a
telecommunications room?

Answer 10

Equipment room.

Question 11

Which subsystem of the ANSI/TIA/EIA–568–B structured cabling can be used for
connections between floors?

Answer 11

Backbone cabling.

Question 12

Which subsystem of the ANSI/TIA/EIA–568–B structured cabling can be used to
interconnect buildings?

Answer 12

Backbone cabling.

Question 13

Which subsystem of the ANSI/TIA/EIA–568–B structured cabling extends from the
telecommunications room to the work area telecommunications information outlets?

Answer 13

Horizontal cabling.

Question 14

Which subsystem of the ANSI/TIA/EIA–568–B structured cabling recognizes multimode
cable?

Answer 14

Horizontal cabling.

Question 15

The work area of the ANSI/TIA/EIA–568–B structured cabling system consists of all except
which components?

Answer 15

Patch panels.

Question 16

Which ANSI/TIA/EIA standard defines labeling cables and patch panels?

Answer 16

606–A.

Question 17

What Air Force Systems Security Instruction (AFSSI) directs implementation of protected
distribution systems?

Answer 17

7703.

Question 18

Which method is not a means for secure telecommunications?

Answer 18

Using Defense Courier Service.

Question 19

In the RED/BLACK concept, what type of traffic do RED lines carry?

Answer 19

Unencrypted classified.

Question 20

The RED/BLACK concept has which two parts?

Answer 20

Physical separation and electrical separation.

Question 21

TEMPEST is

Answer 21

an unclassified term and a US Government code word that identifies a classified set of
standards.

Question 22

What is the purpose of the TEMPEST program?

Answer 22

Reduce the chances of radiation of electrical impulses.

Question 23

What is the TEMPEST program in the Air Force called?

Answer 23

Emission Security.

Question 24

What area is described as the complete building or facility area under direct physical control
within which unauthorized persons are denied unrestricted access and are either escorted by
authorized persons or are under continuous physical or electronic surveillance?

Answer 24

Controlled Access Area (CAA).

Question 25

Protected distribution systems (PDS) require which scheduled inspections?

Answer 25

Line route inspections.

Question 26

Protected distribution systems (PDS) events such as alarms and inspections are recorded
where?

Answer 26

Protected distribution system (PDS) log.

Question 27

A line route inspection of a protected distribution system (PDS) consists of a close visual
inspection that must include the

Answer 27

total surface.