OS2 SWE Exam Update 2024 | OS2 SWE
Study Guide Exam 2024-2025 Questions
and Correct Answers Rated A+
How many Tiers are in the EKMS system? -ANSWER-Four
TIER 0 -ANSWER-(Central Facility(NSA)) - Composite of NSA's Fort
Meade and Finksburg key facilities that provides centralized key
management services for all forms of key.
TIER 1 -ANSWER-(Distribution) - The layer of the EKMS which serves as
the intermediate key generation and distribution center, central offices of
record (COR), privilege managers, and registration authorities for
EKMS/COMSEC accounts. Management of the system is a cooperative.
TIER 2 -ANSWER-(Cutter Accounts) - The layer of EKMS comprised of the
EKMS Accounts that manage key and other COMSEC material. Most Tier
2 accounts are equipped with a Local Management Device (LMD) that runs
Local COMSEC Management Software (LCMS) and that interfaces with a
Key Processor (KP). This suite of equipment is referred to as a LMD/KP.
TIER 3 -ANSWER-(skls or dtds) - The lowest tier or layer of the EKMS
architecture which includes but is not limited to; the AN/CYZ-10 (Data
Transfer Device (DTD), AN/PYQ-10 (Simple Key Loader (SKL) and all
other means used to fill key to End Cryptographic Units (ECU s); hard copy
material holdings only; and STE keying material only using Key
Management Entities (kmes) (i.e., Local Elements (les)).
Who operates/runs the Central Facility and what tier is the Central Facility?
-ANSWER-NSA/0
RM 5 Step Process -ANSWER-1.) ID hazards
2.) Assess hazards
Who acts as the Service authority and exercises overall authority for USCG
COMSEC matters & is the program manager? -ANSWER-USCG C4IT
Service Center Information Assurance Branch (C4ITSC-BOD-IAB)
At a minimum... How often must a CO conduct spot checks? Bonus... How
many may be delegated to the XO? -ANSWER-At least 4/No more than 2.
The CO, OIC or SCMSRO, as applicable is required to conduct a minimum
of (1) spot check per quarter and may delegate no more than two of the
four quarterly spot checks to the Executive Officer.
What are the 3 types of EKMS incidents? -ANSWER-Cryptographic,
Personnel, and Physical incident reports.
What is a SF-703? -ANSWER-Cover Sheet Top Secret, COMDTINST
M5510.23A
SF700 -ANSWER-Security Container Information
SF701 -ANSWER-Activity Security Checklist
SF702 -ANSWER-Security Container Checksheet
SF703 -ANSWER-Top Secret (Coversheet)
SF704 -ANSWER-Secret (Cover Sheet)
SF705 -ANSWER-Confidential (Cover Sheet)
SF706 -ANSWER-Top Secret (Label)
,SF707 -ANSWER-Secret (Label)
SF708 -ANSWER-Confidential (Label)
SF709 -ANSWER-Classified (Label)
SF710 -ANSWER-Unclassified (Label)
How often shall Emergency Action Plan (EAP) tests be conducted? -
ANSWER-The frequency of the EAP tests shall be at the discretion of the
Commanding Officer, but no less than once per year.
Can Secret material be shipped via USPS registered mail within and
between the 50 United States and its territories? -ANSWER-Yes
What is the default combinations for safes? -ANSWER-50-25-50, when
taken out of service, built-in combination locks are then reset to the
standard combination 50-25-50; combination padlocks are reset to the
standard combination 10-20-30
What type of incident has occurred when any uninvestigated or
unevaluated, investigated or evaluated occurrence that has the potential to
jeopardize the security of COMSEC material or the secure transmission of
classified or sensitive government information? -ANSWER-COMSEC
Incident
How deep must the water be to jettison crypto overboard? -ANSWER-1000
fathoms or 6000 feet
What are the types of secured spaces? -ANSWER--An exclusion area is
the most secure type of restricted area.
-A limited area is the second most secure type of restricted area.
, -A controlled area is the least secure type of restricted area. It may also
serve as a buffer zone for exclusion and limited areas.
How many AL codes are there in EKMS? -ANSWER-Five;
ALC 1, 2, 4, 6, & 7
AL Code 1 -ANSWER-COMSEC material is continuously accountable to
the COR by accounting (serial/register) number from production to
destruction.
AL Code 2 -ANSWER-COMSEC material is continuously accountable to
the COR by quantity from production to destruction.
AL Code 4 -ANSWER-After initial receipt to the COR, COMSEC material is
locally accountable by quantity and handled/safeguarded based on its
classification.
AL Code 6 -ANSWER-COMSEC material that is electronically generated
and continuously accountable to the COR from production to destruction.
AL codes assigned to electronically generated key
AL Code 7 -ANSWER-COMSEC material that is electronically generated
and locally accountable to the generating facility. AL codes assigned to
electronically generated key
What must be recorded when entering EKMS material into a Watch to
Watch inventory? -ANSWER--ALC
-Short Title
-Edition
-Quantity
Who must be notified when you drill a safe? -ANSWER-CSO, District
Security Manager
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