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54 Cards in this Set

  • Front
  • Back
What is the mission of Communications security?
COMSEC is the mission to provide security to naval communications and communications material
What is CMS?
Communication security material system.
-it is described as the system to deny unauthorized persons information of coms material
What is the job of the CMS custodian?
To ensure proper handing, distribution, control, and security of COMSEC material.
What is TPI (Two-person integrity) as it pertains to Comms?
TPI is used when dealing with top secret and controlled information. Personnel are normally not permitted to work alone.
What is Encryption?
The process of turing intelligible information into non-intelligible infromation
What is Access?
Having a security clearance giving you access to information up to the level of clearance
What is Classification?
Information is classed when it requires protection in the interest of national security
What is compromise?
Any breach or expected breach of security or classified material. When discovered it must be dealt with immediately.
What is need to know information?
having access to information that you are eligible to access under your security level
What is an exclusion area?
an area that may contain classified material
What is a limited area?
An area with classified information that a visitor could gain access to
What is a controlled area?
the area next to or surrounding an exclusion or limited area.
Explain the use, delivery, and time to deliver of a Flash (Z)message.
-used for initial enemy contact messages.
-Needs to be hand delivered ahead of all other messages
-Time for delivery has to be under 10 min.
Explain the use, delivery, and time to deliver of a Immediate (O) message.
-Used for messages that gravely affect the security of us forces.
-Must be processed, transmitted and delivered in front of priority and routine messages
-time to deliver is 30 minutes
Explain the use, delivery, and time to deliver a Priority (P) message.
-used for messages that require expedious action by the addressee
-Delivery has to be ahead of all routine messages
-Delivery time has to be between 30 mins to 3 hrs.
Explain the use, deliver, and time to deliver a Routine (R) message.
-Used for messages which justify rapid means of transmission.
-Delivery has the lowest priority.
-Time to deliver is between 3 and 6 hrs.
What does it mean to minimize communications?
To reduce radio communications to a level to where only emergency messages are transmitted.
What does EEFI mean and what is it?
Essential Elements of Friendly Information.
A code that notifies one another of a security breach that has occured over the circuit.
What is the range of HF (High Frequency) radios?
2 - 30 MHZ
What is the range of VHF (Very High Frequency) radios?
30 MHZ to 300MHZ
What is the frequency range of UHF (Ultra High Frequency) radios?
300 MHZ to 3,000MHZ (or 3 Ghz).
What type of information is classified confidential?
Identifiable damaging information.
What type of information is classified secret?
Seriously damaging information
What type of information is classified top secret?
Exceptionally grave damage information
When precautionary destruction of materials is ordered what is the order of destruction of comsec material and information?
-Keying material
-Non-essential classified COMSEC documents.
When complete destruction is ordered what is the order of destruction of COMSEC material and information?
Keying material
COMSEC documents
COMSEC equipment
When destroying Keying material, what order is it destroyed in?
Superseded
Effective
Reserve
What is the An/psn-11?
a global positioning system used to compute position, coordinates, elevation, speed, and time information from signals transmitted from GPS satellites
What are the three methods of communications?
Wire
Messengers
Visual and sound
How do field radios work?
Field radios work by line-of-sight from the radio to the transmitting station.
What factors may effect radio communications in the field?
Valleys, Densely wooded areas, low lying areas, and sources of electrical interference.
What is the purpose of the STU/STE Phone?
To allow voice communication when needed.
How many comsec channels does the AN/PRC-119A have?
6 COMSEC channels
What are the three types of antenna's and their ranges?
3ft tape: 5 Miles
10ft Whip: 10 Miles
OE-254: 36 miles
How many single channels for text does the AN/PRC-119A have?
8 Single Channels
How long do batteries last in the AN/PRC 119A?
4 to 30 hrs depending on use.
What is the frequency range of the AN/PRC 119A?
30-87.975 MHZ (VHF)
What are the dimensions of the OE-254?
13m x 8m
What is the frequency range of the AN/PRC-150?
1.6 - 59.99 MHZ
Does the AN/PRC-150 require an external encryption device?
No, it has an embedded US type 1 encryption
What is the weight of the An/PRC 150?
10 lbs without batteries
What are the two radios mounted in a vehicle?
The AN/VRC 90 and AN/VRC 92A.
What is the AN/GRA 39?
Radio Set Control Group that provides the capibility to remotely controlling a radio set up to a distance of 2 miles by standard field wire.
What is the XTS-5000?
Handheld secure radio
What is the range of the XTS-5000?
1-3 miles
What is the frequency range of the XTS-5000?
136-174 MHZ (VHF)
What is the SB-3614?
Tactical ruggedized 30 terminal automatic switchboard
What is the TA-1 and some of its general characteristics?
-Handheld Comm Device
-talks 4-7 miles
-normally configured in a gun loop
What is the TA-312?
2 wire tactical phone that is normally put in the fighting hole.
What is the range of the TA-312, during wet and dry conditions? With dead batteries?
Wet:14 miles
Dry: 22 miles
Dead batteries: 4 miles
What is the AN/CYZ-10 used for?
The "crazy" 10 is an encryption device used to encrypt comsec material
What does CCIR stand for?
Commander's Critical Information Requirement
What is SINCGARS?
Single Channel Ground and Airborne Radio System
What does CEOI stand for?
Communication Electronic Operation Instruction