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Basic COMSEC Policies and Procedures exam questions and 100% correct answers 2025/2026

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Which best describes the purpose of COMSEC? - correct answer Denies adversaries access to information Which of the following measures is taken to ensure the authenticity of information? - correct answer COMSEC What COMSEC component provides protection from interception and exploitation? - correct answer Transmission Security Tier 0 - correct answer Consists of the key production facilities and NSA's Central Office of Record. Provides centralized key management services for all forms of COMSEC key Tier 1 - correct answer Intermediate key generation and distribution center, Central Office of Record (COR), and privilege managers for COMSEC accounts Tier 2 - correct answer Layer of COMSEC Material Control System (CMCS) comprised of the COMSEC Accounts that manage key and other COMSEC material Tier 3 - correct answer End user of COMSEC equipment and/or material (LE) Who is the Commanding Officer's primary advisor on matters concerning the security and handling of COMSEC material and the associated record, reports, and audits? - correct answer COMSEC Manager At which Tier do LEs reside? - correct answer Tier 3 Which entity operates as part of the NSA and functions primarily as a high volume key generation and distribution center? - correct answer Central Facility Which of the following is used to distribute, control, and safeguard COMSEC material? - correct answer CMCS

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Basic COMSEC Policies and
Procedures
Which best describes the purpose of COMSEC? - ✔✔ correct answer Denies adversaries access to
information



Which of the following measures is taken to ensure the authenticity of information? - ✔✔ correct
answer COMSEC



What COMSEC component provides protection from interception and exploitation? - ✔✔ correct
answer Transmission Security



Tier 0 - ✔✔ correct answer Consists of the key production facilities and NSA's Central Office of
Record. Provides centralized key management services for all forms of COMSEC key



Tier 1 - ✔✔ correct answer Intermediate key generation and distribution center, Central Office of
Record (COR), and privilege managers for COMSEC accounts



Tier 2 - ✔✔ correct answer Layer of COMSEC Material Control System (CMCS) comprised of the
COMSEC Accounts that manage key and other COMSEC material



Tier 3 - ✔✔ correct answer End user of COMSEC equipment and/or material (LE)



Who is the Commanding Officer's primary advisor on matters concerning the security and handling
of COMSEC material and the associated record, reports, and audits? - ✔✔ correct answer COMSEC
Manager



At which Tier do LEs reside? - ✔✔ correct answer Tier 3



Which entity operates as part of the NSA and functions primarily as a high volume key generation
and distribution center? - ✔✔ correct answer Central Facility



Which of the following is used to distribute, control, and safeguard COMSEC material? - ✔✔ correct
answer CMCS



All COMSEC related information is covered within CMCS. - ✔✔ correct answer False

,Basic COMSEC Policies and
Procedures

Effective key is key that is in the current period of time allowed for use. - ✔✔ correct answer True



For routine modification for material NOT previously authorized, managers must submit a request
how many days in advance? - ✔✔ correct answer 60 Days



What term best describes the series of letters and numbers used to facilitate identification, handling,
accounting, and control of COMSEC material? - ✔✔ correct answer Short Title



Which of the following would be part of a short title for a United States Electronic Key? - ✔✔ correct
answer USEAD



The quantity of future editions of keying material (i.e., ROB) to be held by a COMSEC account is
determined by the CNO, CMC, COGARD TISCOM, FLTCINCs, and/or ISICs. - ✔✔ correct answer True



Allowances are unique to the individual account. - ✔✔ correct answer True



Which are the responsibilities of the Controlling Authority? - ✔✔ correct answer Directs the
establishment and operations of cryptonet/circuits and manages the operational use and control of
KEYMAT assigned to a cryptonet/circuit. Manages traditional COMSEC material. Evaluates COMSEC
incidents and authorizes the issue/destruction of COMSEC material.



Which are the responsibilities of the CA/CMDAUTH? - ✔✔ correct answer Validates CF Form 1206
prior to submission to Central Facility. Grants privileges to URs and associated key ordering privileges.
Manages modern key assets for a department, agency, or command



What type of accounts are Command Authorities responsible for establishing and managing? - ✔✔
correct answer User Representatives



Who is responsible for managing traditional COMSEC material? - ✔✔ correct answer CONAUTH



Who manages Modern Key? - ✔✔ correct answer Command Authority

,Basic COMSEC Policies and
Procedures
A CF Form 1205 is also known as a User Representative Partition Privilege Registration Request. - ✔✔
correct answer True



What is a DAO code used to associate? - ✔✔ correct answer Ordering Privileges



When does a Modern Key expire? - ✔✔ correct answer One year from the date is was generated



How many spot check can CO delegate to XO? - ✔✔ correct answer Up to 2 of 4



How often should CO conduct spot checks? - ✔✔ correct answer Quarterly, at minimum



How often should Account Manager conduct spot checks? - ✔✔ correct answer Monthly, at
minimum



What are the guidelines for Account Manager? - ✔✔ correct answer Inspect/Spot Check each LE,
annually



How often must a CO perform spot checks? - ✔✔ correct answer Quarterly



Self-assessments must be conducted at least quarterly. - ✔✔ correct answer True



An access list is the only method allowed for a CO to "grant access in writing to a COMSEC user." -
✔✔ correct answer False (a Designation or Appointment Letter for each individual may also be used)



All COMSEC users must sign which document acknowledging access to COMSEC material? - ✔✔
correct answer SD-572



What COMSEC component includes secure storage, limited access, life-cycle accountability, and
irretrievable destruction? - ✔✔ correct answer Physical Destruction



What type of information is needed by an adversary to develop measures or tactics to increase their
ability to exploit our vulnerabilities? - ✔✔ correct answer Mission Critical Information

, Basic COMSEC Policies and
Procedures

Communications Security (COMSEC) is the prevention of unauthorized access to telecommunications
traffic, or to any written information that is transmitted or transferred. - ✔✔ correct answer True



What is the purpose of Tier 0? - ✔✔ correct answer Centralized key management for all forms of
COMSEC key



Who is the end user that is responsible for the proper use, accountability, and destruction of material
assigned to their control by the COMSEC Manager? - ✔✔ correct answer LE



The CMCS consists of production facilities, COMSEC COR, distribution facilities (i.e., depots), and
COMSEC accounts - ✔✔ correct answer True



Which entity is responsible for administering the DON COMSEC program and is the service authority
for the DON? - ✔✔ correct answer NCMS



After verifying a command's assigned mission and communications capabilities, the ________
determine a command's authorized COMSEC material allowance. - ✔✔ correct answer CNO, CMC,
COGARD TISCOM, FLTCINCs. and/or ISICs



The KMI OMM is an example of a Maintenance and Operators Manual - ✔✔ correct answer True



A change in which of the following will justify an increase or decrease in an account's ROB level? -
✔✔ correct answer Operational Requirements



The AMS in AMSH 1775 identifies this short title as being NATO material. - ✔✔ correct answer True



The purpose of ROB is to allow an account to sustain itself for a specified period of time in the event
of a deployment or operational commitment without the need of resupply. - ✔✔ correct answer
True



What are the 3 categories of COMSEC material? - ✔✔ correct answer Equipment, Keying Material,
COMSEC aids

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