Term
A combination of letters and numbers used to designate a specific item without describing it is a...? |
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Definition
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Term
A descriptive wording reference concerning a COMSEC subject is a...? |
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Definition
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Term
The designation "TSEC/" preceding an item designator signifies...? |
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Definition
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Term
Amendments and changes to COMSEC publication are distributed by a...? |
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Definition
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Term
For COMSEC items you must enter on AFCOMSEC form 16, COMSEC Account Daily-Shift Inventory the...? |
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Definition
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Term
Normally COMSEC users are issued no more than one months supply of material; however, is a user needs more for an effective mission, the COMSEC manager issues sufficient COMSEC aids to meet the need, but no more than...? |
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Term
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Definition
The practice of using filters at the first service disconnect. |
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Term
What is low-level signaling? |
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Definition
Equipment that uses low voltage and current levels to reduce compromising emanations. |
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Term
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Definition
Equipment that processes classified information before encryption and after decryption. |
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Term
Is most "commercially available off the shelf" equipment TEMPEST approved? |
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Definition
No, most of this equipment is nto designed with TEMPEST protection in mind. |
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Term
What is the objective of RED/BLACK signal distribution? |
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Definition
To provide an organized scheme to transfer signals from the source(transmitter) to the sink (reciever) in such a manner that RED/BLACK integrity is maintained, interferenced is not intercepted from other sources, and interference is not created. |
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Term
Typically what type of output (line side) signals are generated by modems, and what is the frequency range of these signals? |
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Definition
Analog signals in the VF range of 300 to 4000 Hz. |
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Term
How can the possibility of EMI be minimized when using digital signalling? |
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Definition
Using low-level voltage, properly terminating all cable pairs, and ensuring sheilds are properly closed and grounded. |
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Term
Why are patch panels installed in facilities having a RED and BLACK distribution sytem? |
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Definition
Allows equipment and signal paths to be interchanged in the event of a failure. |
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Term
Where are surge, transient, EMI/RFI, and EMP/HEMP protective measures applied to signal lines entering and leaving the facility? |
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Definition
At the facilty entry plates. |
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Term
Why are signal distribution schemes used in RED and BLACK enviroments? |
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Definition
To ensure the proper segregation and integrity of signals. |
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Term
When is filtering of signals not nessecary in RED and BLACK enviroments? |
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Definition
When TEMPEST approved euipment is being used, the lines are encrypted, proper RED/BLACK separation is maintained, and proper installation procedures have been used. |
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Term
In regard to emission security, what is the basic purpose of filter, isolators, and shields? |
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Definition
Attenuation of undesirable signals that attempt to pass through these devices. |
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Term
How does filtering help reduce compromising emanations? |
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Definition
By shunting the interfering or compromising energy to a return path and reflecting it back to the source. |
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Term
Why should an external barrier of a facilty use filters (Preceded by surge arrestors) in preference to isolators? |
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Definition
To prevent arcing when a large incoming voltage transient encounters an open circuit. |
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Term
What is ground in relation to signals? |
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Definition
Ground is merely an agreed upon potential to which signal voltages may be referenced. |
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Term
What type fo field does ferrous and nonferrous shielding material attenuate? |
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Definition
Ferrous are used for magnetic fields, whereas nonferrous materials are used for electrostatic fields. |
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Term
When you use non-TEMPEST equipment and/or high-level signalling, what configuration of the RED and BLACK power distribution may be required? |
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Definition
Seperated RED and BLACK power distribution. |
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Term
If possible, where should prime power source be located when emmission security is a concern? |
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Definition
Totally Contained within the CS. |
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Term
What two types of powers systems are used in facilties? |
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Definition
Technical and non-technical |
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Term
What is the purpose of a non-technical power system? |
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Definition
To provide power to air-conditioning, lighting, and houskeeping functions. |
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Term
What is the purpose of a technical power system? |
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Definition
Provide power to the equipment associated with the mission. This includes any lighting and enviromental equipment essential to system operation. |
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Term
Why should power line filters be custom designed for individual equipment? |
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Definition
This allows the filter to be designed specifically to the parameters and characteristics of the equipment. |
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Term
When is it permissable to filter the power of a BLACK prcessor? |
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Definition
When the entire facility has been provided with filtered power. |
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Term
Why should you install disconnect devices, noninductive ringers, and speech supression devices on a telephone that serves an LEA? |
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Definition
To prevent the telephone from becoming a microphone and compromising the the LEA |
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Term
Why is line separation immportant in minimizing emanations? |
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Definition
The electromagnetic field surrounding a conductor reduces with distance |
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Term
Whom should you consult BEFORE moving or installing any classified processor or moving or installing other devices near classified processors? |
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Definition
Cognizant TEMPEST authority |
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Term
Which areas are not included in a technical evaluation? |
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Definition
Job proficiency and knowledge of the maitenance technician. |
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Term
The evaluation that gives the commander a factual, objective assesment of a section's ability to meet its mission is a...? |
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Definition
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Term
What two discrepancy catagories are documented on a technical evaluation report? |
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Definition
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Term
A major discrepancy is any dificiency that...? |
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Definition
creates an unsafe condition or may cause a security violation. |
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Term
What are the organization's responsibilities in the communication and information system process? |
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Definition
Identifies communications and information systems requirements and allocates resources. |
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Term
Who approves the technical solution? |
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Definition
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Term
Commercial equipment manuals are...? |
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Definition
provided by the vendor and are similar to TOs. |
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Term
What detailed information is found in a TO? |
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Definition
Illustrated parts breakdown, theory of operation, and equipment operational limitations. |
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Term
Who is responsible for the routine application of risk management |
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Definition
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Term
The fundamental goal of risk management is to enhance mission effectivenessat all levels while preseves assets and safeguarding...? |
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Definition
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Term
What does Operational Risk Management (ORM) provide that determines which risk or what level or risk is unnessecary? |
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Definition
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Term
What is step one of the six step ORM process? |
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Definition
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Term
When an interlock switch is disconnected what precaution should be taken? |
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Definition
Place an appropriate sign on the equipment. |
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Term
A grounding stick is used for what other tasks besides discharging capacitors? |
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Definition
Checking for stray high voltage |
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Term
What type of tool should be used when working on energized communications electronics (C-E) equipment? |
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Definition
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Term
What can be used on tools to help protect them? |
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Definition
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Term
Mallets with plastic heads are used for...? |
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Definition
Jobs where a steel hammer would mar the work. |
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Term
General purpose drill bits have...? |
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Definition
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Term
Long nose pliers are not to be used for...? |
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Definition
Tightening nuts and bending large guage wires or sheet metal. |
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Term
Human factors that contribute to hazardous situations fall into what two major catagories? |
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Definition
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Term
The wearing of gloves, face shield, and apron are nessecary when handling cathode-ray tube (CRT) mainly to protect against...? |
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Definition
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Term
How should you treat a low voltage circuit with a current of 50 milliamperes? |
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Definition
As a high voltage circuit |
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