Chapter 3

Question 1

What is the most common means of communication? (Page 3-3)

Answer 1

Voice

Question 2

What is the primary means of communication in all tactical, on- the-move operations? (Page 3-3)

Answer 2

Radio

Question 3

Who is responsible for the installation, operation, and maintenance of the company communications system and for its efficient operation as part of the command system? (Page 3-3)

Answer 3

Company Commander

Question 4

What are the primary means of communication for offensive combat and for other operations involving rapid or extensive movement? (Page 3-3)

Answer 4

Radio and messengers

Question 5

What radio is also known as the Single Channel Ground and Airborne Radio System (SINCGARS) radio? (Page 3-5)

Answer 5

AN/PRC-119

Question 6

The SINCGARS is an FM radio that operates on what range on Very High Frequency (VHF) spectrum? (Page 3-5)

Answer 6

30-87.95 MHz

Question 7

What is the heart of the SINCGARS radio? (Page 3-6)

Answer 7

RT

Question 8

What is the operational range of the AN/VRC-90D radio set? (Page 3-9)

Answer 8

30 miles Line of Site (LOS)

Question 9

What radio provides units with state of the art High Frequency (HF) radio capabilities in support of fast moving, wide area operations? (Page 3-10)

Answer 9

AN/PRC-150

Question 10

What is designed to act as the transmission means for a range of command, control, and communications input devices (both digital data and analog)? (Page 3-11)

Answer 10

AN/PRC-117F

Question 11

Up to how many LOS fixed frequency or dedicated SATCOM radio voice operation nets can the AN/PRC-117F scan? (Page 3-12)

Answer 11

10

Question 12

The AN/PRC-117F can send data transmission rates of 56 kbps through SATCOM and how many kbps ground-to-ground LOS? (Page 3-13)

Answer 12

64

Question 13

What multiband handheld radio is a tactical transceiver designed for use by military and agency personnel requiring Type-I NSA certified secure voice and data communications? (Page 3-13)

Answer 13

AN/PRC-152

Question 14

The AN/PRC-152 frequency range is continuous from 30 MHz to how many MHz? (Page 3-13)

Answer 14

512

Question 15

The AN/PRC-152 can support up to how many programmable system presets containing user-specified frequencies and operating parameters? (Page 3-13)

Answer 15

99

Question 16

The Radio Set Control Group AN/GRA-39 provides the capability of remotely controlling a radio set up to a distance of how many miles using standard field wire? (Page 3-14)

Answer 16

2

Question 17

What EKMS facilities serve as focal points for the production, management, and distribution of service-unique electronic cryptographic key and materials? (Page 3-17)

Answer 17

Tier 1

Question 18

What integrates cryptonet planning, Electronic Protection (EP) distribution, and SOI generation, management, and distribution? (Page 3-17)

Answer 18

ACES workstations

Question 19

What is a system of data communications gateways and servers interconnected with one another and their subscribers via a combination of common user long-haul transmission systems organic to the Marine Corps and Navy Operating forces, local area networks, single channel radios, multi-channel communications, and the switched telephone system? (Page 3-18)

Answer 19

TDN

Question 20

The TDN server supports up to how many users? (Page 3-20)

Answer 20

48

Question 21

TDN gateways are deployed at the MEF and what other level? (Page 3-20)

Answer 21

MSC

Question 22

What system is a SATCOM tracking and communication system that provides the commander eyes on the friendly forces and the ability to send and receive text messages? (Page 3-20)

Answer 22

Blue Force Tracking (BFT)

Question 23

What antenna provides Near-Vertical Incidence Skywave (NVIS) propagation for short-range radio circuits? (Page 3-22)

Answer 23

AS-2259/GR HF

Question 24

What is the frequency range of the AS-2259 HF antenna? (Page 3-22)

Answer 24

2-30 MHz

Question 25

The TR-72 Dipole Half-Wave Antenna is used on short-and medium-length sky wave paths (up to approximately how many miles)? (Page 3-22)

Answer 25

1,200

Question 26

What is a foldable, manpack, high-gain, UHF SATCOM antenna designed for special missions where portability and high gain are required? (Page 3-24)

Answer 26

A V-2040

Question 27

The TA-312/PT telephone set has facilities for operating push-to- talk radio circuits and a range of how many miles? (Page 3-25)

Answer 27

14-22

Question 28

How many operational modes does the TA-838A telephone system have? (Page 3-27)

Answer 28

Seven

Question 29

What frequency range does the TA-838A telephone set operate on? (Page 3-27)

Answer 29

300 to 3,500 Hz

Question 30

How many interconnecting voice frequency circuits does the SB- 22/PT telephone switchboard have? (Page 3-28)

Answer 30

12

Question 31

What is a communication sent by one station and intended for reception by another station or stations? (Page 3-31)

Answer 31

Transmission

Question 32

What is a word, or combination of words, intended for transmission by voice means that identifies the command, unit, or authority of the radio station? (Page 3-31)

Answer 32

Call sign

Question 33

What is the radio station appointed by higher authority to direct and control the operation and flow of all traffic handled on the radio net? (Page 3-31)

Answer 33

Net Control Station

Question 34

What term refers to a pronounceable word or phrase that has been assigned to speed up message handling on radio nets that use radio and telephone? (Page 3-31)

Answer 34

Proword

Question 35

How many precedence designations are used in handling radio messages? (Page 3-34)

Answer 35

Four

Question 36

What type of information is prohibited from being transmitted in the clear? (Page 3-36)

Answer 36

Essential Elements of Friendly Information (EEFI)

Question 37

The EEFI system is a code that allows us to notify one another of a security breach that has occurred over a circuit. What term is used to identify a violation of this type? (Page 3-37)

Answer 37

BEADWINDOW

Question 38

What is the only response to a BEADWINDOW? (Page 3-37)

Answer 38

ROGER OUT

Question 39

What is the backbone of the rifle company communication system and is a backup for both the wire and radio systems? (Page 3- 37)

Answer 39

Messenger service