Army Study Guide - Communications

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Markandsharon78
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Army Study Guide - Communications - Quiz


Questions and Answers
  • 1. 

    What does SOI stand for?

    • A.

      Signal Operation Instructions

    • B.

      Simple Organizational Institute

    • C.

      Synchronized Overlapping Interference

    • D.

      Silent Overall Instructions

    Correct Answer
    A. Signal Operation Instructions
    Explanation
    SOI stands for Signal Operation Instructions. This term refers to a set of instructions or guidelines that provide information on how to operate or handle signals in a specific context. It could include protocols, procedures, or rules related to signal transmission, reception, or interpretation. The other options, Simple Organizational Institute, Synchronized Overlapping Interference, and Silent Overall Instructions, do not accurately represent the commonly known meaning of SOI in this context.

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  • 2. 

    What Field Manual covers Tactical Single-Channel Radio Communications Techniques?

    • A.

      FM 24-18

    • B.

      FM 7-21.13

    • C.

      FM 3-25.26

    • D.

      FM 4.25.11

    Correct Answer
    A. FM 24-18
    Explanation
    FM 7-21.13 Soldier Guide
    FM 3-25.26 Land Navigation
    FM 4-25.11 First Aid

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  • 3. 

    What does the SOI provide?

    • A.

      The organization of stations into nets

    • B.

      Assigns call signs

    • C.

      Designates net control stations (NCS)

    • D.

      Assign frequencies

    • E.

      Changes to alternate frequencies

    • F.

      Security procedures to be used by radio operators

    Correct Answer(s)
    A. The organization of stations into nets
    B. Assigns call signs
    C. Designates net control stations (NCS)
    D. Assign frequencies
    E. Changes to alternate frequencies
    F. Security procedures to be used by radio operators
    Explanation
    The SOI (Signal Operating Instructions) provide a comprehensive set of guidelines and procedures for radio operators. It includes the organization of stations into nets, assigning call signs to stations, designating net control stations (NCS), assigning frequencies for communication, providing instructions for changing to alternate frequencies, and outlining security procedures to be followed by radio operators. These instructions ensure efficient and secure communication within a network of stations.

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  • 4. 

    Which means of communication is least secure?

    • A.

      Radio

    • B.

      Sound

    • C.

      Visual

    • D.

      Messenger

    • E.

      Wire

    Correct Answer
    A. Radio
    Explanation
    Radio communication is considered the least secure means of communication because it is susceptible to interception and eavesdropping. Unlike wired communication, which requires physical access to the wires, radio signals can be picked up by anyone with the right equipment and knowledge. This makes it easier for unauthorized individuals to intercept and decode the transmitted information, compromising its security. Additionally, radio signals can travel long distances, making it difficult to control who has access to the communication.

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  • 5. 

    Which means of communication is most secure?

    • A.

      Radio

    • B.

      Sound

    • C.

      Visual

    • D.

      Messenger

    • E.

      Wire

    Correct Answer
    D. Messenger
    Explanation
    Messenger is the most secure means of communication because it typically involves direct, private conversations between individuals. Unlike radio or wire communication, which can be intercepted or monitored, messenger communication is less susceptible to eavesdropping or hacking. Sound and visual communication may also be vulnerable to interception or misinterpretation, making messenger a more secure option.

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  • 6. 

    What are five methods of communication?

    • A.

      Radio

    • B.

      Sound

    • C.

      Visual

    • D.

      Messenger

    • E.

      Wire

    • F.

      String

    Correct Answer(s)
    A. Radio
    B. Sound
    C. Visual
    D. Messenger
    E. Wire
    Explanation
    The correct answer includes five methods of communication: radio, sound, visual, messenger, and wire. These methods encompass various forms of communication, such as transmitting information through electromagnetic waves (radio), using auditory signals (sound), conveying messages through visual cues (visual), delivering messages through a person or medium (messenger), and transmitting information through physical connections (wire). Each method serves as a distinct means of exchanging information, allowing individuals to communicate effectively in different contexts and situations.

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  • 7. 

    What is COMSEC?

    • A.

      Communication security

    • B.

      Common section

    • C.

      Component security

    • D.

      Communication section

    Correct Answer
    A. Communication security
    Explanation
    COMSEC stands for communication security. It refers to the measures and techniques used to protect communication systems and information from unauthorized access, interception, and exploitation. It involves the use of encryption, authentication, and other security protocols to ensure the confidentiality, integrity, and availability of communication networks and data. COMSEC is essential for safeguarding sensitive information and preventing unauthorized disclosure or tampering during transmission.

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  • 8. 

    What is OPSEC?

    • A.

      Operational security

    • B.

      Operating section

    • C.

      Optional security

    • D.

      Operatable security

    Correct Answer
    A. Operational security
    Explanation
    OPSEC stands for operational security. It refers to a set of procedures and measures taken to protect sensitive information and activities from being exploited by adversaries. It involves identifying and assessing potential risks, implementing countermeasures, and maintaining a level of secrecy to prevent unauthorized access or disclosure of information. OPSEC is crucial for military, government, and corporate entities to safeguard their operations and maintain a competitive advantage.

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  • 9. 

    List 5 factors that affect the range of radio equipment?

    • A.

      Weather

    • B.

      Terrain

    • C.

      Antenna

    • D.

      Power

    • E.

      Location

    • F.

      Vehicle

    Correct Answer(s)
    A. Weather
    B. Terrain
    C. Antenna
    D. Power
    E. Location
    Explanation
    The range of radio equipment can be affected by several factors. Weather conditions such as rain, fog, or storms can weaken the signal and decrease the range. The terrain, including hills, buildings, or dense vegetation, can obstruct the signal and limit the range. The type and quality of the antenna used can also impact the range, with better antennas providing a longer reach. The power output of the equipment is another important factor, as higher power can increase the range. Lastly, the location of the equipment plays a role, with urban areas often having more interference and shorter ranges compared to rural areas.

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  • 10. 

    What does NCS stand for?

    • A.

      Net Control Station

    • B.

      Noise Cancellation System

    • C.

      Network Correspondence Signal

    • D.

      Non-Commissioned Soldier

    Correct Answer
    A. Net Control Station
    Explanation
    NCS stands for Net Control Station. This term is commonly used in the field of telecommunications and radio communications. A Net Control Station is responsible for managing and coordinating communication within a network or a group of radio operators. They ensure that all transmissions are properly organized and controlled, and they may also handle tasks such as assigning frequencies, managing call signs, and monitoring the overall network performance.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 13, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 16, 2012
    Quiz Created by
    Markandsharon78
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