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