Network Administration
Radio Operations
Information Assurance
Communications Security
Naval Messaging
100

This command-line utility is used to verify Layer 3 connectivity to another host by sending ICMP echo requests.

 What is Ping?

100

The High Frequency (HF) band operates within this specific frequency range.

What is 3 to 30 MHz?

100

In the CIA triad, this principle ensures that information has not been altered or tampered with by unauthorized parties.

What is Integrity?

100

This next-generation enterprise system replaced EKMS for ordering, delivering, and managing cryptographic material.

What is KMI (Key Management Infrastructure)?

100

The prosign "Z" denotes this message precedence, reserved for the most urgent traffic.

What is FLASH?

200

In the OSI model, switches primarily operate at this layer, relying on MAC addresses to forward frames.

What is Layer 2 (Data Link Layer)?

200

Ultra High Frequency (UHF) radio communications are generally limited to this type of propagation path.

What is Line of Sight (LOS)?

200

This type of malicious software encrypts a user's files and demands payment in exchange for the decryption key.

What is Ransomware?

200

This strict security measure requires at least two authorized, cleared personnel to be present when handling Top Secret keying material.

What is TPI (Two-Person Integrity)?

200

According to Navy messaging standards, an Immediate (O) precedence message must be processed and delivered within this timeframe.

What is 30 minutes?

300

This Microsoft Windows feature allows administrators to centralize the management of user and computer configurations across an Active Directory domain.

What is Group Policy (or GPO)?

300


This layer of the Earth's atmosphere is responsible for refracting HF radio waves, allowing for Over-The-Horizon (OTH) communications.

What is the Ionosphere?

300

The Navy uses this cryptographic framework, which relies on public and private key pairs, to enable secure CAC authentication and email encryption.

What is PKI (Public Key Infrastructure)?

300

Failing to properly complete a CMS-25 destruction log is considered this type of security anomaly, which is not a full incident but must be reported locally.

What is a PDS (Practice Dangerous to Security)?

300

This unique string of characters, formatted like 150944Z AUG 26, is used to uniquely identify naval messages and log their transmission time.

What is the Date Time Group (DTG)?

400

A subnet mask of 255.255.255.0 corresponds to this CIDR notation.

What is /24?

400

This tactical data link (TDL) operates on UHF and HF frequencies and requires a Net Control Station (NCS) to manage the polling sequence.

What is Link 11?

400

This DoD process replaced DIACAP and is used to categorize information systems, select security controls, and authorize them to operate (ATO).

What is the RMF (Risk Management Framework)?

400

This hand-held, ruggedized PDA is the standard DoD device used to receive, store, and transfer cryptographic keys to end cryptographic units (ECUs).

What is the SKL (Simple Key Loader / AN/PYQ-10)?

400

This condition is imposed by a commander to drastically reduce non-essential message traffic across the network during an emergency or crisis.

What is MINIMIZE?

500

This dynamic routing protocol uses "Cost" as its metric and operates within a single autonomous system, commonly used on Navy enterprise networks.

What is OSPF (Open Shortest Path First)?

500


This high-capacity military satellite communications system provides wideband capabilities for US and allied forces, often replacing older DSCS satellites.

What is WGS (Wideband Global SATCOM)?

500

According to standard incident response frameworks, this is the very first phase, occurring before an incident even happens.

What is Preparation?

500

In the standard COMSEC architecture, the Local Management Device/Key Processor (LMD/KP) at a local command represents this specific Tier.

What is Tier 2?

500

This web-based messaging system is the Navy's primary program of record for transmitting organizational messages over IP networks.

What is C2OIX (Command and Control Official Information Exchange)?