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COMSEC Block 2 exam questions and100% correct answers 2025/2026

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SD-572 - correct answer CAP-Form you must complete to be around and handle COMSEC material AF Form 4168 - correct answer COMSEC Training AF 1109 - correct answer Visitor Register Log SF 153 - correct answer COMSEC Material Report Used For: Transfer Inventory Destruction Hand Receipt Other Compliance - correct answer ensure the implementation of appropriate measures are being taken to protect all Air Force Information system (IS) resources and sensitive or classified information COMSEC - correct answer protection results from applying security measures...crypto security, transmission security, emissions security and physical security Access list - correct answer Must be reviewed monthly SF 701 - correct answer Activity Security Checklist (closing/checking space)

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COMSEC Block 2
SD-572 - ✔✔ correct answer CAP-Form you must complete to be around and handle COMSEC
material



AF Form 4168 - ✔✔ correct answer COMSEC Training



AF 1109 - ✔✔ correct answer Visitor Register Log



SF 153 - ✔✔ correct answer COMSEC Material Report



Used For:



Transfer



Inventory



Destruction



Hand Receipt



Other



Compliance - ✔✔ correct answer ensure the implementation of appropriate measures are being
taken to protect all Air Force Information system (IS) resources and sensitive or classified information



COMSEC - ✔✔ correct answer protection results from applying security measures...crypto security,
transmission security, emissions security and physical security



Access list - ✔✔ correct answer Must be reviewed monthly



SF 701 - ✔✔ correct answer Activity Security Checklist (closing/checking space)



Commander - ✔✔ correct answer A person in authority , over a body of troops or military personnel.

,COMSEC Block 2

*SF 700 - ✔✔ correct answer Security Container Information



COMSEC Account - ✔✔ correct answer Administrative entity, identified by an account number, used
to maintain accountability, custody, and control of COMSEC material.



COMSEC Account Audit - ✔✔ correct answer Examination of holdings, records, and procedures to a
COMSEC account ensuring all accountable COMSEC material is properly handled and safeguarded.



COMSEC Aids - ✔✔ correct answer Keymat, codebooks, operating and maintenance manuals



COMSEC Equipment - ✔✔ correct answer Equip that converts Red info to Black, and Black to Red



COMSEC Incident - ✔✔ correct answer Any occurrence that potentially jeopardized the security of
COMSEC material



COMSEC Material - ✔✔ correct answer Broad term that covers basically anything COMSEC related,
Aids, Equip, etc.



*OF 89 - ✔✔ correct answer Maintenance Record for security equipment



*SF 702 - ✔✔ correct answer Security Container Check Sheet, which is used to record the opening
and closing of your security container



*AF COMSEC Form 16 - ✔✔ correct answer COMSEC Physical Inventory (CPI)



The correct answer is:

[COMSEC] refers to measures and controls taken to deny [unautorized] persons information derived
from information systems of the United States Government related to [national security] and to
ensure the [authenticity] of such information systems. - ✔✔ correct answer The correct answer is:

[COMSEC] refers to measures and controls taken to deny [unautorized] persons information derived
from information systems of the United States Government related to [national security] and to
ensure the [authenticity] of such information systems.

, COMSEC Block 2
COMSEC protection results from applying security measures (i.e., [cryptographic solutions],
[transmission security], and [TEMPEST security] to communications and information systems
generating, handling, storing, processing, or using classified or sensitive government or government-
derived information, the loss of which could adversely affect the national security interest. It also
includes applying [physical security] measures to COMSEC information or materials. - ✔✔ correct
answer COMSEC protection results from applying security measures (i.e., [cryptographic solutions],
[transmission security], and [TEMPEST security] to communications and information systems
generating, handling, storing, processing, or using classified or sensitive government or government-
derived information, the loss of which could adversely affect the national security interest. It also
includes applying [physical security] measures to COMSEC information or materials.



COMSEC Aid - ✔✔ correct answer is COMSEC material that assists in securing telecommunications
and is required in the production, operation, or maintenance of COMSEC systems and their
components.



COMSEC Equipment - ✔✔ correct answer is designed to provide security to telecommunications by
converting information to a form unintelligible to an unauthorized interceptor and, subsequently, by
reconverting such information to its original form for authorized recipients.



COMSEC Incident - ✔✔ correct answer is any occurrence that potentially jeopardized the security of
COMSEC material or the secure electrical transmission of national security information or
information.



COMSEC Material - ✔✔ correct answer is an item designed to secure or authenticate
telecommunications.



Controlling Authority (ConAuth) - ✔✔ correct answer is the official responsible for directing the
operation of a cryptonet and for managing the operational use and control of keying material
assigned to the cryptonet.



Cryptonet - ✔✔ correct answer is defined as one or more stations that hold a common key.



Cryptoperiod - ✔✔ correct answer is the length of time each individual key
setting/segment/page/table is authorized for use.



Key Management Infrastructure - ✔✔ correct answer is computer hardware, firmware, software, and
other equipment and its documentation; facilities that house the equipment and related functions;
and companion standards, policies, procedures, and doctrine that form the system that manages and

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