Comms

Question 1

What is the frequency range between 3-30MHz?

Answer 1

High Frequency (HF)

Question 2

What is the frequency range between 30-300MHz?

Answer 2

Very High Frequency (VHF)

Question 3

What is the frequency range between 300MHz-3GHz?

Answer 3

Ultra High Frequency

Question 4

What is the frequency range between 3GHz-30GHz?

Answer 4

Super High Frequency (SHF)

Question 5

What is the frequency range between 30-300GHz?

Answer 5

Extremely High Frequency (EHF)

Question 6

What is an example of an HF system?

Answer 6

URC-109

Question 7

What is are the examples of VHF systems?

Answer 7

SRC-54, and GRC-211

Question 8

What are the examples of of UHF?

Answer 8

WSC-3, and URC-93

Question 9

What are the examples of SHF systems?

Answer 9

WSC-6, and USC-69

Question 10

What is an example of an EHF system?

Answer 10

USC-38

Question 11

The capabilities of URC-109 include long haul transmission which involves what distance?

Answer 11

500 NM

Question 12

URC-109 equipment includes how many transmitters?

Answer 12

23

Question 13

Where is the location of the URC-109 transmitters?

Answer 13

Radio Transceiver Room (04-79-3-C)

Question 14

Which VHF system is used for line of sight (LOS) communications and is used for Marine and LCAC evolution?

Answer 14

SRC-54(SINGARS)

Question 15

The SRC-54 has how many transceiver radios are located in in the radio transceiver room?

Answer 15

16 Transceiver radios

Question 16

Which VHF system is used for International Air Distress (IAD) 121.5 MHz?

Answer 16

GRC-211

Question 17

How many transceiver radios are used by GRC-211?

Answer 17

2 transceiver radios located in Transceiver Room

Question 18

What is the space number for the transceiver room?

Answer 18

04-79-3-C

Question 19

Which UHF system has line of sight (LOS) capabilities which is roughly 30 NM?

Answer 19

WSC-3

Question 20

What has unlimited range as long as a functioning satellite is overhead?

Answer 20

Satellite communications (SATCOM)

Question 21

What type of WSC are unique because they frequency hop, making them capable of anti jamming operations?

Answer 21

WSC-3 Havequicks

Question 22

The WSC-3 equipment has how many line of sight transceivers?

Answer 22

21

Question 23

The WSC-3 equipment has how many satellite communications transceivers?

Answer 23

12

Question 24

The WSC-3 equipment has how many havequick transceivers?

Answer 24

2

Question 25

Which UHF system is used exclusively for UHF LOS data via link?

Answer 25

URC-93

Question 26

How many URC-93 transceivers are there?

Answer 26

2

Question 27

Which SHF systems is the primary provider of near worldwide digital voice, teletype (TTY), and digital data communications?

Answer 27

WSC-6 (DSCS)

Question 28

This is better known as POTS (plain old temperature system) lines used to call offship

Answer 28

Digital voice

Question 29

This is better known as chat and message traffic

Answer 29

TTY (teletype)

Question 30

This is better known as IPC (internet protocol) and email services

Answer 30

Digital Data

Question 31

Which equipment is used for WCS-6?

Answer 31

DSCS (defense satellite communication system)

Question 32

Which SHF system is the secondary provider of near worldwide digital voice, teletype (tty), and digital data communications?

Answer 32

USC-69

Question 33

Which equipment is used for USC-69?

Answer 33

CBSP (commercial broadband satellite program)

Question 34

Which EHF system allows for satellite communication for ship to ship, ship to shore, and ship to submarine?

Answer 34

USC-38

Question 35

Which EHF system can “call” any other EHF terminal connected to the network?

Answer 35

USC-38

Question 36

Which EHF system can be used for internet provider services in an emergency?

Answer 36

USC-38

Question 37

What is the only communication system on the ship specifically designed to survive a nuclear blast?

Answer 37

USC-38

Question 38

This is defined as preplanned destruction, carried out on calendar basis

Answer 38

Routine destruction

Question 39

This is defined as unplanned destruction, 30 minutes to destroy materials in case of abandon ship or enemy infiltration ordered by the CO

Answer 39

Emergency destruction

Question 40

This is defined as any event or practice that could or does lead to a loss of communication security

Answer 40

COMSEC Incident

Question 41

This is a security measure requiring two persons to prevent single person access to COMSEC and EKMS materials

Answer 41

Two person integrity

Question 42

This is a network used to transmit classified information up to and including classified secret

Answer 42

SIPR (Secret Internet Protocol Routing)

Question 43

This is used to exchange unclassified information amongst private network, the largest in the world

Answer 43

NIPR ( Non-secure internet protocol router)