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Electronic Warfare (EW) Quiz - Basic Level - Part 2

Below is a 12-question Multiple Choice Question (MCQ) quiz designed for an electronic warfare (EW) operator, focusing on basic scenarios that reflect common tasks and challenges in electronic warfare.

This quiz tests foundational electronic warfare skills through practical scenarios. Each question has four options, with one correct answer to assess or reinforce  knowledge of common electronic warfare tasks. The correct answers, along with explanations for why other options are incorrect, are provided after the quiz.


Question 1

Your military base is using a radar system to monitor airspace. An enemy aircraft deploys a device that emits signals mimicking your radar’s echoes, causing false targets to appear. What is this technique called?

A) Deception
B) Jamming
C) Frequency Shifting
D) Signal Amplification

Question 2

During a mission, your team’s communication radios are disrupted by an enemy broadcasting music on your frequency. What type of electronic warfare is this?

A) Electronic Support (ES)
B) Electronic Attack (EA)
C) Electronic Protection (EP)
D) Cyber Attack

Question 3

Your naval ship’s radar is struggling to detect an enemy submarine because it is using a technology to absorb radar waves. What is this technology?

A) Radar Jamming
B) Stealth Coating
C) Signal Reflection
D) Frequency Modulation

Question 4

To protect your communication network from enemy interception, your team uses a system that scrambles messages into unreadable formats. What is this technique called?

A) Jamming
B) Spoofing
C) Encryption
D) Signal Boosting

Question 5

Your EW team is tasked with identifying the location of an enemy’s communication tower by analyzing its signal emissions. What type of EW is this?

A) Electronic Attack (EA)
B) Electronic Support (ES)
C) Electronic Protection (EP)
D) Signal Jamming

Question 6

An enemy tank is equipped with a system that disrupts your missile guidance system by sending false signals. What is this countermeasure called?

A) Flare Deployment
B) Electronic Countermeasure (ECM)
C) Chaff Release
D) Stealth Technology

Question 7

Your radar system is designed to automatically adjust its frequency when it detects interference. What is this protective technique called?

A) Signal Interception
B) Adaptive Frequency Selection
C) Jamming
D) Spoofing

Question 8

During an operation, your team uses a decoy drone that emits signals to mimic a larger aircraft, tricking enemy radar. What is this technique?

A) Electronic Protection (EP)
B) Deception
C) Signal Jamming
D) Frequency Hopping

Question 9

Your communication system is under attack by an enemy transmitting high-energy pulses to disable your radios. What is this type of attack called?

A) Electromagnetic Pulse (EMP) Attack
B) Spoofing
C) Signal Interception
D) Frequency Shifting

Question 10

To counter an enemy’s radar jamming, your team increases the power of your radar’s signal to overcome the interference. What is this technique called?

A) Signal Boosting
B) Jamming
C) Electronic Support (ES)
D) Deception

Question 11

Your aircraft is equipped with a system that detects enemy radar signals and alerts the pilot to take evasive action. What type of EW is this?

A) Electronic Attack (EA)
B) Electronic Protection (EP)
C) Electronic Support (ES)
D) Signal Amplification

Question 12

An enemy is attempting to overwhelm your communication system with random noise. Your team counters this by using a filter to block unwanted signals. What type of EW is this?

A) Electronic Attack (EA)
B) Electronic Support (ES)
C) Electronic Protection (EP)
D) Deception

Correct Answers and Explanations

Question 1

Correct Answer: A) Deception
Explanation: Deception involves sending false signals to mislead radar systems, such as mimicking echoes to create false targets.

  • B) Jamming: Incorrect, as jamming overwhelms radar with noise, not false targets.

  • C) Frequency Shifting: Incorrect, as this adjusts signal frequencies, not creates false echoes.

  • D) Signal Amplification: Incorrect, as amplification strengthens signals, not deceives radar.

Question 2

Correct Answer: B) Electronic Attack (EA)
Explanation: Broadcasting music to disrupt communications is an active interference technique, classified as Electronic Attack (EA).

  • A) Electronic Support (ES): Incorrect, as ES involves passive signal detection, not disruption.

  • C) Electronic Protection (EP): Incorrect, as EP protects systems from interference, not causes it.

  • D) Cyber Attack: Incorrect, as this involves digital system attacks, not electromagnetic interference.

Question 3

Correct Answer: B) Stealth Coating
Explanation: Stealth coating absorbs radar waves, reducing a vehicle’s detectability by radar.

  • A) Radar Jamming: Incorrect, as jamming actively disrupts radar with signals, not absorbs waves.

  • C) Signal Reflection: Incorrect, as reflection would increase detectability, not reduce it.

  • D) Frequency Modulation: Incorrect, as this adjusts signal properties, not radar absorption.

Question 4

Correct Answer: C) Encryption
Explanation: Encryption scrambles messages to prevent unauthorized interception, ensuring secure communications.

  • A) Jamming: Incorrect, as jamming disrupts signals, not secures them.

  • B) Spoofing: Incorrect, as spoofing sends false signals, not protects messages.

  • D) Signal Boosting: Incorrect, as boosting increases signal strength, not security.

Question 5

Correct Answer: B) Electronic Support (ES)
Explanation: Analyzing enemy signal emissions to locate a communication tower is an ES activity, focused on passive intelligence gathering.

  • A) Electronic Attack (EA): Incorrect, as EA involves active disruption, not signal analysis.

  • C) Electronic Protection (EP): Incorrect, as EP protects systems, not gathers intelligence.

  • D) Signal Jamming: Incorrect, as jamming disrupts signals, not locates sources.

Question 6

Correct Answer: B) Electronic Countermeasure (ECM)
Explanation: ECM includes techniques like sending false signals to disrupt missile guidance systems.

  • A) Flare Deployment: Incorrect, as flares counter infrared threats, not missile guidance.

  • C) Chaff Release: Incorrect, as chaff creates false radar targets, not disrupts guidance.

  • D) Stealth Technology: Incorrect, as stealth reduces detectability, not actively counters missiles.

Question 7

Correct Answer: B) Adaptive Frequency Selection
Explanation: Automatically adjusting radar frequency to avoid interference is a protective technique called adaptive frequency selection.

  • A) Signal Interception: Incorrect, as interception is passive and does not counter interference.

  • C) Jamming: Incorrect, as jamming is an offensive technique, not protective.

  • D) Spoofing: Incorrect, as spoofing deceives systems, not protects them.

Question 8

Correct Answer: B) Deception
Explanation: Using a decoy drone to mimic a larger aircraft is a deception technique to mislead enemy radar.

  • A) Electronic Protection (EP): Incorrect, as EP protects systems, not deceives enemies.

  • C) Signal Jamming: Incorrect, as jamming disrupts signals, not mimics targets.

  • D) Frequency Hopping: Incorrect, as this avoids interference, not deceives radar.

Question 9

Correct Answer: A) Electromagnetic Pulse (EMP) Attack
Explanation: High-energy pulses aimed at disabling radios are characteristic of an EMP attack, a form of EA.

  • B) Spoofing: Incorrect, as spoofing sends false signals, not disabling pulses.

  • C) Signal Interception: Incorrect, as interception is passive and does not disable systems.

  • D) Frequency Shifting: Incorrect, as this adjusts frequencies, not disables equipment.

Question 10

Correct Answer: A) Signal Boosting
Explanation: Increasing radar signal power to overcome jamming is called signal boosting, an EP technique.

  • B) Jamming: Incorrect, as jamming is an offensive technique, not a countermeasure.

  • C) Electronic Support (ES): Incorrect, as ES involves signal detection, not boosting.

  • D) Deception: Incorrect, as deception misleads systems, not counters jamming.

Question 11

Correct Answer: C) Electronic Support (ES)
Explanation: Detecting enemy radar signals to alert the pilot is an ES function, providing situational awareness.

  • A) Electronic Attack (EA): Incorrect, as EA involves active disruption, not detection.

  • B) Electronic Protection (EP): Incorrect, as EP protects systems, not detects threats.

  • D) Signal Amplification: Incorrect, as amplification strengthens signals, not detects them.

Question 12

Correct Answer: C) Electronic Protection (EP)
Explanation: Using a filter to block unwanted signals is an EP measure to protect communication systems from jamming.

  • A) Electronic Attack (EA): Incorrect, as EA involves active disruption, not protection.

  • B) Electronic Support (ES): Incorrect, as ES focuses on signal detection, not filtering.

  • D) Deception: Incorrect, as deception misleads systems, not protects them.

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