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EIDWS > 109 Communications > Flashcards

109 Communications Flashcards

1
Q

What is the purpose of a Red Cross message?

A

Message delivered 24/7/365 to military at any duty station. Used by family members to notify service members of emergency or other important event

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2
Q

What is ADNS and its function?

A

ADNS: Advance Digital Network System

- Connects Navy shipboard networks to other ship/shore networks for transferring IP data

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3
Q

What is CUDIXS and its function?

A

CUDIXS: Common User Digital Information Exchange System
- Provides 2400 baud full duplex interface, over satellite link with mobile platforms, for receipt/transmission of GENSER message traffic

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4
Q

Describe VERDIN and its function

A

VERDIN: VLF Digital Information Network
- Provides highly reliable/secure system for worldwide delivery of operation, tactical, and admin messages from Fleet Submarine Broadcast System & Minimum Essential Emergency Communications Network

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5
Q

Describe NOVA and its function

A

NOVA: relays messages to other commands outside immediate AOR.

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6
Q

Describe IBS and its function

A

IBS: Integrated Broadcast System; integrated several existing systems into a single system of broadcast allowing receipt of data via single receiver. (3 Types of IBS)

  • IBS-I (integrated): System interactive
  • IBS-S (simplex): Used to transmit/receive data to and from the broadcast
  • IBS-N (network): Only receiving information
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7
Q

What is INMARSAT and its function?

A

INMARSAT: International Maritime Satellite

- Commercial satellite system used to provide voice and data IP communications for ships at sea

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8
Q

What is DMS and its function?

A

Defense Messaging System (2 types)

  • NREMS: Navy Regional Enterprise Messaging System
  • AMHS: Automated Message Handling System
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9
Q

What is VTC?

A

VTC: Video Teleconference

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10
Q

What is DCO and its function?

A

DCO: Defense Connect Online

- Web-based virtual meeting room

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11
Q

Discuss GINGERBREAD and the procedures involved

A

Code word used to alert that there’s an intruder on the voice network

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12
Q

Discuss types of disclosures afforded protection by the EEFI (Essential Elements of Friendly Information) list

A

Established to identify specific items of info which, if acquired by an adversary, would degrade the security of military operations, special projects, etc.

  • 01: Position
  • 02: Capabilities
  • 03: Operations
  • 04: Electronic Warfare
  • 05: Personnel
  • 06: COMSEC
  • 07: Wrong Circuit:
  • 08-10: NATO assignment as required
  • 11-29: Reserved for COMUSNAVEUR
  • 30-49: Reserved for COMUSFLTFORCOM
  • 50-69: Reserved for COMPACFLT
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13
Q

Discuss BEAD WINDOW and the procedures involved

A

EEFI (Essential Elements of Friendly Information) disclosure has occurred
- Brings immediate attention to the circuit operators

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14
Q

Define RIVER CITY and state when it is utilized

A

Communications are cut/limited as precautionary tactic when sensitive mission/event will be or already is taking place

  • RIVERCITY 1: Limited to CO, XO, CMC & key personnel only
  • RIVERCITY 2: Limited to DH and above
  • RIVERCITY 3: Limited to E7 and above
  • RIVERCITY 4: All hands
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15
Q

Discuss JSIR

A

JSIR: Joint Spectrum Interference Resolution; Standardizes techniques and procedures for spectrum interference resolution throughout the DoD

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16
Q

Define Meaconing

A

Intentional transmission of signals designed to deceive users of navigational aids

17
Q

Discuss Intrusion

A

Intentional insertions of EM energy into transmission paths in any manner

18
Q

Define Jamming

A

Deliberate radiation, re-radiation, or reflection of EM energy for the purpose of preventing an enemy’s effective use of the EM spectrum

19
Q

Discuss Spectrum management

A

Ensures various combatant units & AORs practice good hygiene. Basically, knowing advantages/disadvantages when utilizing RF spectrum for communications

20
Q

Define PLA

A

PLA: Plain Language Address

- Denotes command short title and sometimes geographic location used is message addressing

21
Q

Define DTG

A

DTG: Date Time Group

  • Time stamp used in Naval messages (2 parts)
    1. 6 digits DDHHHH
    2. single letter zone suffix, month, year ZMMMYY
22
Q

Define UTC

A

Universal Time Code; Greenwich Mean Time (GMT) (ZULU)

- 24 hour time scale

23
Q

List the components of a standard Navy message

A 
FL /2: Message header
FL /4: Classification
FL /5: DTG
FL /6: From
FL /7: To
FL /8: INFORMATION
FL /12: Subject, Classification, Body
24
Q

Define the message precedences

A 
R: Routine - 6 HOURS
P: Priority - 3 HOURS
O: Immediate - 30 MINUTES
Z: Flash - 10 MINUTES
W: Flash Override - 10 MINUTES OR LESS; overrides all other codes
25
Q

State the purpose of OPTASK COMMUNICATIONS

A

Standardized messages used to convey operational instructions/intentions, pass operational information to tactical commanders at sea, report operational information b/w commanders, or notify organizations of impending and actual operations of units engaged in maritime warfare

26
Q

State the purpose of COMMPLAN

A

A tool for RADIO, CIC and Bridge Personnel
- Gives a true picture of what communication circuits are required and indicated, where and when they are needed throughout specific underway period

27
Q

State the purpose of TSO (Telecommunication service order)

A

Authorization to start, change, or discontinue circuits, trunks links, or systems

28
Q

What is the purpose of TSR (Telecommunication service request)?

A

Request to activate, discontinue, or change existing telecommunications services

29
Q

State the purpose of a COMSPOT/Communications service advisory

A

GENSER message that reports any unusual communications difficulties.
Submitted at IMMEDIATE precedence after 30 minutes of outage and as often as necessary to restore communications

30
Q

What is the purpose of Electronic Key Management (EKMS)?

A

Basic guidelines for handling COMSEC material

- i.e. two person integrity, training, etc.

31
Q

State the purpose of OTAT/OTAR

A

OTAT: Over-the-air-transfer; A single, simultaneous or sequential transfer of electronic key
OTAR: Over-the-air-rekey; process of remotely updating a distant end station key by overwriting the currently stored traffic key with new electronic key

32
Q

Describe TEMPEST

A

TEMPEST: Unclassified codename referring to investigations and studies of compromising emanations

33
Q

State the purpose of Emissions Control (EMCON)

A

Condition set for specific purpose of reducing or limiting the electronic signature of the ship for a specific reason (4 EMCON Conditions):

  • EMCON A: Radio Silence
  • EMCON B: Hide from Satellites
  • EMCON C: To reduce targeting signature for adversaries
  • EMCON D: Essential equipment is authorized

EIDWS (24 decks)

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