Air Force 3d1x6 Quiz – Shielding, Nav, And Systems Ops

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  • 1/85 Questions

    (402) What term is used for the establishment of a low-impedance path between two metal surfaces?

    • Bonding.
    • Shielding.
    • Annealing.
    • Grounding.
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About This Quiz

This Air Force CDC Quiz is tailored for 3D1X6 Cyber Systems Operations personnel reviewing Volume 3 content. Covering vital topics like grounding, shielding, bonding, enhanced terminal voice switches, barometric sensors, and tactical air navigation systems, this quiz helps reinforce key concepts critical to mission support and system integrity.

It’s perfect for learners prepping for end-of-course assessments, CDC reviews, or in-field operational readiness checks.

Disclaimer: This quiz is intended for practice and review only. It is not affiliated with the U. S. Air Force or its official testing programs.

Air Force 3d1x6 Quiz Shielding, Nav, And Systems Ops - Quiz

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  • 2. 

    (413) What piece of equipment is the primary means of communications control and interface between the operator and central equipment in the enhanced terminal voice switch?

    • Operator communications unit.

    • Tower electronic device.

    • Operator control unit.

    • Touch entry display.

    Correct Answer
    A. Touch entry display.
    Explanation
    The primary means of communications control and interface between the operator and central equipment in the enhanced terminal voice switch is the touch entry display. This device allows the operator to input commands and control the communication system through a touch screen interface. It provides a user-friendly and efficient way for the operator to interact with the central equipment and manage communications effectively.

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  • 3. 

    (410) What piece of meteorological equipment is used to measure cloud height?

    • Barometer.

    • Ceilometer.

    • Cloudometer.

    • Laser measure.

    Correct Answer
    A. Ceilometer.
    Explanation
    A ceilometer is a piece of meteorological equipment specifically designed to measure cloud height. It uses laser or other optical technology to determine the distance between the instrument and the cloud base. This information is then used to calculate the height of the cloud layer. A barometer, on the other hand, is used to measure atmospheric pressure, not cloud height. Cloudometer and laser measure are not commonly used terms in meteorology and are not specifically designed for measuring cloud height.

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  • 4. 

    (412) What capabilities can be provided at the enhanced terminal voice switch maintenance position?

    • System monitor capability only.

    • The same as at any operator position.

    • All functions accept operator position monitor.

    • All functions accept active tower-to-aircraft channels.

    Correct Answer
    A. The same as at any operator position.
    Explanation
    The correct answer is "The same as at any operator position." This means that the enhanced terminal voice switch maintenance position has the same capabilities as any other operator position. It can perform all functions except for the operator position monitor and the active tower-to-aircraft channels.

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  • 5. 

    (417) The tactical air navigation system, AN/TRN-41, can provide azimuth, distance, and identification information for how many aircraft simultaneously?

    • 100

    • 120

    • 150

    • 170

    Correct Answer
    A. 100
    Explanation
    The tactical air navigation system, AN/TRN-41, can provide azimuth, distance, and identification information for up to 100 aircraft simultaneously.

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  • 6. 

    (411) How do the three barometer outputs provide barometric pressure data in the automated meteorological station, AN/FMQ-19?

    • The output with the highest value is used to determine station pressure.

    • The output with the lowest value is used to determine station pressure.

    • The three barometer output values are averaged in order to determine station pressure.

    • The three output values are added together in order to determine station pressure.

    Correct Answer
    A. The three barometer output values are averaged in order to determine station pressure.
    Explanation
    The correct answer is that the three barometer output values are averaged in order to determine station pressure. This means that the values from all three barometers are combined and divided by three to calculate the average pressure. This method helps to ensure accuracy by taking into account variations between the three barometers and providing a more reliable measurement of station pressure.

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  • 7. 

    (411) In the automated meteorological station, AN/FMQ-19, which sensor group normally contains a complete set of sensors?

    • Primary sensor group.

    • Midfield sensor group.

    • Secondary sensor group.

    • Mid-infrared pathogen sensor group.

    Correct Answer
    A. Primary sensor group.
    Explanation
    In the automated meteorological station, the primary sensor group normally contains a complete set of sensors. This group is responsible for measuring and monitoring essential meteorological parameters such as temperature, humidity, pressure, wind speed, and wind direction. These sensors provide crucial data for accurate weather forecasting and analysis. The midfield sensor group, secondary sensor group, and mid-infrared pathogen sensor group are not specifically related to meteorological measurements and may focus on different types of sensors or data collection.

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  • 8. 

    (414) What communications service links the positions to the central equipment in the enhanced terminal voice switch?

    • Integrated services digital network.

    • Digital subscriber line.

    • Dial up connection.

    • Wireless fidelity.

    Correct Answer
    A. Integrated services digital network.
    Explanation
    The correct answer is Integrated services digital network. Integrated services digital network (ISDN) is a communications service that links the positions to the central equipment in the enhanced terminal voice switch. ISDN allows for the transmission of voice, video, and data over digital lines, providing faster and more reliable communication compared to analog systems. It is commonly used in telecommunications networks to connect various devices and enable efficient communication between them.

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  • 9. 

    (417) A lightweight, portable, tactical air navigation (TACAN) system designed to provide a combat control team with a navigational aid is the

    • AN/GMQ-33

    • AN/TMQ-36

    • AN/TRN-26

    • AN/TRN-41

    Correct Answer
    A. AN/TRN-41
    Explanation
    The AN/TRN-41 is a lightweight, portable, tactical air navigation (TACAN) system designed to provide a combat control team with a navigational aid. This system is specifically designed for military use and can be easily transported and deployed in various combat situations. It is likely equipped with features that allow for accurate navigation and communication, making it an ideal choice for combat control teams in need of navigational support.

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  • 10. 

    (401) What facility ground subsystem uses surge arrestors?

    • The earth electrode subsystem.

    • The fault protection subsystem.

    • The signal reference subsystem.

    • The lightning protection subsystem.

    Correct Answer
    A. The lightning protection subsystem.
    Explanation
    The lightning protection subsystem uses surge arrestors to protect against voltage surges caused by lightning strikes. Surge arrestors are devices that divert excess electrical energy to the ground, preventing it from damaging sensitive equipment or causing electrical fires. This subsystem is specifically designed to protect the facility from lightning-induced power surges, ensuring the safety and functionality of the electrical system.

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  • 11. 

    (413) Which enhanced terminal voice switch assembly is capable of changing system passwords and displaying system fault location?

    • Local position.

    • Flight data position.

    • Supervisory configuration terminal.

    • Configuration and control subsystem.

    Correct Answer
    A. Supervisory configuration terminal.
    Explanation
    The supervisory configuration terminal is capable of changing system passwords and displaying system fault location. This terminal provides enhanced functionality for managing and configuring the terminal voice switch assembly. It allows for password changes to ensure system security and provides fault location information to assist in troubleshooting and maintenance. The other options, such as local position and flight data position, do not have the capability to perform these specific tasks. The configuration and control subsystem may have some control capabilities but may not have the same level of functionality as the supervisory configuration terminal.

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  • 12. 

    (418) Which tactical air navigation system, AN/TRN-41, mode causes the system to operate in standby until interrogated by an aircraft?

    • Continuous mode.

    • Demand only mode.

    • Normal operating mode.

    • Continuous wave jamming avoidance mode.

    Correct Answer
    A. Demand only mode.
    Explanation
    The AN/TRN-41 tactical air navigation system operates in standby mode until it is interrogated by an aircraft in the demand only mode. In this mode, the system remains inactive until it receives a specific request for information from an aircraft. This helps conserve power and resources by only activating the system when necessary.

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  • 13. 

    (418) In the tactical air navigation system, AN/TRN-41 receiver-transmitter, what prevents the transmitted radio frequency energy from entering the receiver?

    • 4 port circulator.

    • Bandpass filter.

    • RC choke.

    • LC choke.

    Correct Answer
    A. 4 port circulator.
    Explanation
    A 4 port circulator is used in the tactical air navigation system, AN/TRN-41 receiver-transmitter, to prevent the transmitted radio frequency energy from entering the receiver. A circulator is a passive electronic device that allows radio frequency signals to travel in only one direction and blocks them from traveling in the opposite direction. In this case, the circulator ensures that the transmitted radio frequency energy is directed away from the receiver, preventing any interference or damage to the receiver.

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  • 14. 

    (402) What bonds are normally applied to signal reference bonds?

    • None.

    • Brazing.

    • Welding.

    • Mechanical.

    Correct Answer
    A. Mechanical.
    Explanation
    Mechanical bonds are normally applied to signal reference bonds. This means that the bonds are created through physical means, such as clamping or fastening, rather than through any chemical or thermal processes like brazing or welding. The use of mechanical bonds ensures a secure and reliable connection between the signal reference bonds, which is essential for proper signal transmission and accuracy.

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  • 15. 

    (404) Two types of network cables are

    • Straight through and crossover.

    • Straight through and flip/flop.

    • High and low baud.

    • "n" and "g".

    Correct Answer
    A. Straight through and crossover.
    Explanation
    The correct answer is straight through and crossover. Straight through cables are used to connect different types of devices, such as a computer to a switch or a router to a modem. The wiring of the cable is the same on both ends. On the other hand, crossover cables are used to connect similar devices, such as a computer to another computer or a switch to another switch. The wiring of the cable is crossed over, meaning that the transmit and receive lines are swapped on one end of the cable.

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  • 16. 

    (406) For stations utilizing Coordinated Universal Time, what are the standard time designations for observing maximum and minimum temperatures?

    • 0000 and 1200.

    • 0000, 0800, and 1600.

    • 0000, 0600, 1200, and 1800.

    • 0000, 0400, 0800, 1200, 1600, and 2000.

    Correct Answer
    A. 0000, 0600, 1200, and 1800.
  • 17. 

    (411) What is the maximum number of cloud bases the automated meteorological station, AN/FMQ-019, ceilometer can detect?

    • One.

    • Two.

    • Three.

    • Four.

    Correct Answer
    A. Three.
    Explanation
    The automated meteorological station, AN/FMQ-019, ceilometer can detect a maximum of three cloud bases. Ceilometers are instruments used to measure the height of cloud bases, and the AN/FMQ-019 model is specifically designed to detect multiple cloud layers. Therefore, it is capable of detecting up to three cloud bases.

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  • 18. 

    (412) Which communication console operator position is ultimately responsible for everything that happens in the air traffic control (ATC) tower?

    • Local supervisor position.

    • Watch supervisor position.

    • Ground supervisor position.

    • Supervisor of flying position.

    Correct Answer
    A. Watch supervisor position.
    Explanation
    The watch supervisor position is ultimately responsible for everything that happens in the air traffic control (ATC) tower. They oversee and coordinate the activities of all other console operators, ensuring the smooth and safe operation of air traffic control. They are responsible for maintaining situational awareness, making critical decisions, and resolving any issues or emergencies that may arise. This position plays a vital role in ensuring the efficient and effective functioning of the ATC tower.

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  • 19. 

    (416) In the digital voice recording system, how many channel hours can be recorded on a single digital audiotape?

    • 100.

    • 500.

    • 750.

    • 1,000.

    Correct Answer
    A. 500.
    Explanation
    A single digital audiotape in the digital voice recording system can record up to 500 channel hours.

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  • 20. 

    (407) How many degrees of direction change must occur to be classified as a wind shift?

    • 10.

    • 45.

    • 90.

    • 180.

    Correct Answer
    A. 45.
    Explanation
    A wind shift refers to a change in the direction of the wind. In order to be classified as a wind shift, there must be a certain degree of direction change. The correct answer, 45 degrees, suggests that a wind shift occurs when there is a change in wind direction of 45 degrees or more. This means that the wind has shifted significantly from its previous direction, indicating a change in weather patterns or atmospheric conditions.

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  • 21. 

    (410) Cloud height is one part of a more complex forecasting fundamental called

    • Sky condition.

    • Visibility.

    • Structure.

    • Horizon.

    Correct Answer
    A. Sky condition.
    Explanation
    Cloud height is one part of a more complex forecasting fundamental called sky condition. This means that when predicting the weather, it is important to consider the height of the clouds in the sky. Sky condition refers to the overall state of the sky, including the presence and type of clouds. By understanding the sky condition, forecasters can make more accurate predictions about the weather and its potential impact on visibility, structure, and the horizon. Therefore, sky condition is the correct answer in this context.

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  • 22. 

    (414) In the enhanced terminal voice switch during radio communications, in what form does microphone audio travel from the operator position to the central equipment?

    • Encrypted.

    • Digital.

    • Analog.

    • Cipher.

    Correct Answer
    A. Digital.
    Explanation
    In the enhanced terminal voice switch during radio communications, the microphone audio travels from the operator position to the central equipment in digital form. This means that the audio signals are converted into a digital format, consisting of discrete binary values, before being transmitted. This allows for more efficient and reliable transmission of the audio signals, as digital signals are less susceptible to noise and interference compared to analog signals. Additionally, digital signals can be easily encrypted for secure communication.

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  • 23. 

    (418) The total interrogation plus squitter rate for the tactical air navigation system, AN/TRN-41, is

    • 2500 ±90 pulse per second.

    • 2700 ±90 pulse per second.

    • 3500 ±90 pulse per second.

    • 7200 ±90 pulse per second.

    Correct Answer
    A. 2700 ±90 pulse per second.
    Explanation
    The correct answer is 2700 ±90 pulse per second. This means that the total interrogation plus squitter rate for the tactical air navigation system, AN/TRN-41, is 2700 pulses per second, with a possible deviation of ±90 pulses per second.

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  • 24. 

    (405) How are Air Force communications quality control checksheet (AFCQCC) organized?

    • Alphabetically.

    • By unit type code.

    • By numbered and titled series designator groups.

    • By equipment short title and national stock class.

    Correct Answer
    A. By numbered and titled series designator groups.
    Explanation
    The Air Force communications quality control checksheet (AFCQCC) is organized by numbered and titled series designator groups. This means that the checksheet is categorized and arranged based on a specific numbering and titling system, allowing for easier identification and location of information. This organization method ensures that the checksheet is structured in a logical and systematic manner, facilitating efficient communication quality control processes within the Air Force.

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  • 25. 

    (405) Which is a function of Air Force Communications Special Instructions?

    • Permanently change technical order procedures.

    • Means to issue optional equipment modifications.

    • Provide significant system repair history for equipment transfers.

    • Paraphrases technical order procedures via quick reference index cards.

    Correct Answer
    A. Means to issue optional equipment modifications.
    Explanation
    Air Force Communications Special Instructions serve as a means to issue optional equipment modifications. These instructions provide guidelines and procedures for making changes to the equipment used by the Air Force. By issuing these instructions, the Air Force can ensure that any modifications made to the equipment are done in a standardized and controlled manner, allowing for improved performance and functionality.

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  • 26. 

    (406) What is the degree of accuracy and scale used to measure temperature/dewpoint readings?

    • Tenth, Celsius.

    • Tenth, Fahrenheit.

    • Hundredth, Celsius.

    • Hundredth, Fahrenheit.

    Correct Answer
    A. Tenth, Celsius.
    Explanation
    The degree of accuracy and scale used to measure temperature/dewpoint readings is a tenth of a degree Celsius. This means that the measurements are precise to the nearest tenth of a degree Celsius.

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  • 27. 

    (412) Where is the enhanced terminal voice switch maintenance position located?

    • In the bottom floor of the air traffic control (ATC) tower.

    • In the central equipment racks.

    • At the transmit/receive site.

    • In the ATC tower cab.

    Correct Answer
    A. In the central equipment racks.
    Explanation
    The enhanced terminal voice switch maintenance position is located in the central equipment racks.

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  • 28. 

    (413) Which is not a component of the enhanced terminal voice switch telephone subsystem?

    • Ring generator.

    • Radio conferencers.

    • Digital subscriber line modems.

    • Timing multiplexer/cluster multiplexer units.

    Correct Answer
    A. Digital subscriber line modems.
    Explanation
    The correct answer is digital subscriber line modems. The enhanced terminal voice switch telephone subsystem consists of various components that facilitate voice communication. These components include a ring generator, radio conferencers, and timing multiplexer/cluster multiplexer units. However, digital subscriber line modems are not part of this subsystem as they are primarily used for high-speed internet access rather than voice communication.

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  • 29. 

    (413) Which enhanced terminal voice assembly is responsible for interfacing between the demarcation panel and radio processor cards?

    • Radio distribution panel.

    • Radio conferencer panel.

    • Supervisory configuration terminal.

    • Radio Subsystem configuration panel.

    Correct Answer
    A. Radio distribution panel.
    Explanation
    The radio distribution panel is responsible for interfacing between the demarcation panel and radio processor cards. It allows for the distribution of radio signals to multiple radio processor cards, ensuring efficient communication between the demarcation panel and the radio subsystem. This panel plays a crucial role in managing and controlling the flow of voice signals within the terminal assembly.

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  • 30. 

    (418) The tactical air navigation system, AN/TRN-41, battery can supply power for full system operation for

    • 72 hours.

    • 24 hours.

    • 12 hours.

    • 4 hours.

    Correct Answer
    A. 4 hours.
    Explanation
    The correct answer is 4 hours. This means that the battery of the tactical air navigation system, AN/TRN-41, can provide enough power for the system to operate fully for a duration of 4 hours. This indicates that the battery has a limited capacity and needs to be recharged or replaced after this time period.

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  • 31. 

    (418) The tactical air navigation system, AN/TRN-41, can provide azimuth and identity information to how many aircraft simultaneously?

    • Up to 100.

    • Up to 120.

    • Up to 150.

    • An unlimited number.

    Correct Answer
    A. An unlimited number.
    Explanation
    The tactical air navigation system, AN/TRN-41, is capable of providing azimuth and identity information to an unlimited number of aircraft simultaneously. This means that there is no maximum limit to the number of aircraft that can receive this information from the system at the same time.

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  • 32. 

    (409) Altimeter setting refers to the altitude above mean sea level of an aircraft located where?

    • 500' above the weather station.

    • 1000' above the weather station.

    • Anywhere in the local flight pattern.

    • On the ground at the measurement location.

    Correct Answer
    A. On the ground at the measurement location.
    Explanation
    The altimeter setting refers to the altitude above mean sea level of an aircraft, and it is measured on the ground at the location where the measurement is taken. This allows pilots to accurately determine their altitude above sea level during flight. The other options, such as being above the weather station or anywhere in the local flight pattern, do not accurately describe where the altimeter setting is measured.

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  • 33. 

    (411) The automated meteorological station, AN/FMQ-19, does not measure which atmospheric element?

    • Wind speed and direction.

    • Precipitation identification.

    • Air temperature and moisture.

    • Air temperature and relative humidity.

    Correct Answer
    A. Air temperature and moisture.
    Explanation
    The AN/FMQ-19 automated meteorological station is capable of measuring various atmospheric elements such as wind speed and direction, precipitation identification, and air temperature and relative humidity. However, it does not measure air temperature and moisture. This means that while it can provide information on the temperature and humidity of the air, it does not specifically measure the moisture content or the specific temperature of the air.

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  • 34. 

    (411) What is the purpose of the blower located in the automated meteorological station, AN/FMQ-19, relative humidity/air temperature sensor?

    • Stop snow from accumulating around trhe indicator probe.

    • Maintain a steady air temperature for accurate measurements.

    • Prevent damage to electronic components during extremely hot weather.

    • Provide fresh air to the dewpoint indicator probe for accurate measurement.

    Correct Answer
    A. Provide fresh air to the dewpoint indicator probe for accurate measurement.
    Explanation
    The purpose of the blower located in the automated meteorological station, AN/FMQ-19, relative humidity/air temperature sensor is to provide fresh air to the dewpoint indicator probe for accurate measurement. This is necessary because the dewpoint indicator probe requires a constant flow of fresh air to accurately measure the dewpoint. The blower ensures that the air around the probe is constantly refreshed, allowing for precise measurements to be taken.

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  • 35. 

    (413) The touch entry display of the enhanced terminal voice switch in broken into sections called

    • Grids.

    • Pages.

    • Columns.

    • Specials.

    Correct Answer
    A. Pages.
    Explanation
    The touch entry display of the enhanced terminal voice switch is divided into sections called "pages". Each page represents a different set of options or functions that can be accessed by the user. This division allows for easier navigation and organization of the terminal's features.

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  • 36. 

    (413) What operating system does the supervisor configuration terminal of the enhanced terminal voice switch use?

    • DOS.

    • Linxus.

    • Windows 98.

    • Windows XP.

    Correct Answer
    A. DOS.
    Explanation
    The correct answer is DOS. The supervisor configuration terminal of the enhanced terminal voice switch uses the DOS operating system. DOS, which stands for Disk Operating System, was one of the earliest operating systems used on personal computers. It provided a command-line interface for users to interact with the computer and perform various tasks. In this case, the supervisor configuration terminal uses DOS to manage and configure the enhanced terminal voice switch.

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  • 37. 

    (416) Which signals are recorded on the digital voice recording system digital recording unit hard drive?

    • Signals containing audio.

    • Radio communications signals only.

    • Telephone communications signals only.

    • Signals approved by the tower supervisor position.

    Correct Answer
    A. Signals containing audio.
    Explanation
    The correct answer is "Signals containing audio." The digital voice recording system digital recording unit hard drive records signals that contain audio. This means that any communication or transmission that includes sound can be recorded and stored on the hard drive. This could include phone conversations, radio communications, or any other form of communication that involves audio.

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  • 38. 

    (416) When does the digital voice recording system digital recording unit copy hard-drive information to a digital audiotape?

    • Continuously.

    • Every 15 minutes.

    • Every 30 minutes.

    • Only when prompted by an operator.

    Correct Answer
    A. Every 15 minutes.
    Explanation
    The digital voice recording system's digital recording unit copies hard-drive information to a digital audiotape every 15 minutes. This ensures that the data on the hard drive is regularly backed up and stored on the audiotape, providing a reliable and up-to-date copy of the recorded information. This frequent backup interval helps to minimize the risk of data loss in case of any system failure or other issues.

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  • 39. 

    (417) The external power amplifier in the tactical air navigation system, AN/TRN-41 provides how much gain to double the output of the receiver-transmitter twice?

    • 1 dB.

    • 3 dB.

    • 6 dB.

    • 9 dB.

    Correct Answer
    A. 6 dB.
    Explanation
    The external power amplifier in the tactical air navigation system, AN/TRN-41 provides a gain of 6 dB to double the output of the receiver-transmitter twice. Gain is a measure of amplification, and a gain of 6 dB means that the output power is doubled. Therefore, the correct answer is 6 dB.

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  • 40. 

    (418) In which tactical air navigation system, AN/TRN-41, mode does the antenna not rotate but the receiver-transmitter still transmits squitter, distance replies, and identification?

    • Tactical air navigation mode.

    • Distance measuring equipment only mode.

    • Demand only mode.

    • Continuous wave jamming avoidance mode.

    Correct Answer
    A. Distance measuring equipment only mode.
    Explanation
    In the distance measuring equipment only mode of the AN/TRN-41 tactical air navigation system, the antenna does not rotate. However, the receiver-transmitter still transmits squitter, distance replies, and identification.

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  • 41. 

    (418) The tactical air navigation system, AN/TRN-41, overall reply delay for "X" channel interrogations is

    • 30 ±0.1 microseconds (µs).

    • 50 ±0.1 µs.

    • 70 ±0.1 µs.

    • 75 ±0.1 µs.

    Correct Answer
    A. 50 ±0.1 µs.
    Explanation
    The correct answer is 50 ±0.1 µs. This means that the overall reply delay for "X" channel interrogations using the tactical air navigation system, AN/TRN-41, is 50 microseconds with a possible deviation of ±0.1 microseconds. This indicates that the system is designed to provide a relatively quick response within a very precise time frame for "X" channel interrogations.

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  • 42. 

    (421) On improved roads the tactical control tower, AN/MSN-7, can be driven up to

    • 50 miles per hour (mph).

    • 55 mph.

    • 60 mph.

    • 65 mph.

    Correct Answer
    A. 50 miles per hour (mph).
    Explanation
    The correct answer is 50 miles per hour (mph). This indicates that on improved roads, the tactical control tower, AN/MSN-7, can be driven at a maximum speed of 50 mph.

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  • 43. 

    (402) Bonds in the earth electrode subsystem normally are direct permanent bonds and do not exceed a resistance of

    • 1 milliohm.

    • 2 milliohms.

    • 5 milliohms.

    • 10 milliohms.

    Correct Answer
    A. 1 milliohm.
    Explanation
    The bonds in the earth electrode subsystem are direct permanent bonds, which means they are designed to provide a low resistance path for electrical current. The resistance of these bonds should not exceed 1 milliohm, ensuring efficient grounding and minimizing electrical hazards.

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  • 44. 

    (404) The thin plastic colored tape spirals around a specific number of pairs that replicate in a cable is a

    • Marker.

    • Bundle.

    • Casing.

    • Binder.

    Correct Answer
    A. Binder.
    Explanation
    The given statement describes the thin plastic colored tape spiraling around a specific number of pairs in a cable, which suggests that it is used to bind or hold the pairs together. Therefore, the correct answer is binder.

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  • 45. 

    (404) Most newly installed network cables follow what standard?

    • N586B.

    • N568C.

    • T586C.

    • T568B.

    Correct Answer
    A. T568B.
    Explanation
    The correct answer is T568B. This is a standard for network cables that specifies the arrangement of the wires within the cable. It is commonly used for Ethernet connections and ensures compatibility and proper functioning of the network.

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  • 46. 

    (408) What standard must automated visibility sensor use?

    • International Standard Algorithms for Automated Weather Observing Systems Used for Aviation Purposes.

    • Federal Standard Algorithms for Automated Weather Observing Systems Used for Aviation Purposes.

    • Federal Aviation Administration (FAA) Standard Weather Algorithms.

    • FAA Algorithms for Aviation Weather Observations.

    Correct Answer
    A. Federal Standard Algorithms for Automated Weather Observing Systems Used for Aviation Purposes.
    Explanation
    Automated visibility sensors are used for aviation purposes to measure visibility conditions. In order to ensure consistency and accuracy, these sensors must adhere to a standard set of algorithms. The correct answer, "Federal Standard Algorithms for Automated Weather Observing Systems Used for Aviation Purposes," implies that there is a specific set of algorithms established by the federal government to govern the operation and calculations of these sensors. This standard ensures that the data collected by automated visibility sensors is reliable and can be used for aviation purposes.

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  • 47. 

    (411) An automated meteorological station, AN/FMQ-19, midfield sensor group is installed when an airfield location must meet

    • Category I criteria.

    • Category II criteria.

    • Category III criteria.

    • Category IV criteria.

    Correct Answer
    A. Category II criteria.
    Explanation
    The AN/FMQ-19 midfield sensor group is installed when an airfield location must meet Category II criteria. This suggests that the sensor group is specifically designed to meet the requirements and standards for Category II operations, which involve lower visibility and higher approach minimums compared to Category I operations. The installation of this sensor group indicates that the airfield is equipped to handle aircraft operations in more challenging weather conditions.

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  • 48. 

    (416) In the digital voice recording system, how many satellites need to be acquired by the global positioning system receiver for an accurate time stamp?

    • One.

    • Two.

    • Three.

    • Four.

    Correct Answer
    A. Three.
    Explanation
    In order to obtain an accurate time stamp in a digital voice recording system, the global positioning system receiver needs to acquire signals from three satellites. This is because the receiver uses the signals from multiple satellites to triangulate its position and calculate the precise time. By receiving signals from three satellites, the receiver can accurately determine its location and synchronize its time with the global positioning system.

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  • 49. 

    (416) The alarm on the digital voice recording system alerts users when channels are

    • Inactive.

    • Shifting.

    • Off-key.

    • Active.

    Correct Answer
    A. Inactive.
    Explanation
    The correct answer is "inactive" because the alarm on the digital voice recording system is designed to alert users when the channels are not being used or are idle. This helps users to be aware of any inactive channels and take necessary actions such as reassigning or reactivating them.

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Quiz Review Timeline (Updated): Jun 25, 2025 +

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

  • Current Version
  • Jun 25, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 18, 2014
    Quiz Created by
    Rale123
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