USI SAFETY CERTIFICATION UPDATED EXAM SCRIPT
QUESTIONS AND SOLUTIONS RATED A+
✔✔11. The uplink, which describes the portion of the data link that transmits commands
and flight plan changes from the ground control station to the air vehicle, is also known
as which of the following? - ✔✔Command Link
✔✔12. Terrain masking, equipment failures, and electromagnetic interference can
cause which of the following conditions? - ✔✔Loss of link
✔✔13. If power and wavelength are equal, which antennas would have the shortest
range? - ✔✔Omni-directional
✔✔14. Which of the following is NOT a function of a remotely piloted aircraft system's
data link? - ✔✔Providing return to home commands in the event of an interruption
✔✔15) Which of the following are typical hardware components of a data link? (Select
all that apply) - ✔✔Antenna , Modem , Receiver , Transmitter
✔✔16) True or False. Frequency Modulation involves encoding information into a
carrier wave by varying the amplitude, amount of energy carried by the wave. -
✔✔False
✔✔17) Obstacles within the transmission path of a radio wave cause which of the
following? - ✔✔Radio Frequency Interference
✔✔18) Which of the following is a measurement of the strength of a signal relative to
ambient noise? - ✔✔SNR
✔✔19) Which of the following refers to the bending of waves as they pass from one
medium to another due to a change in their speed? - ✔✔Refraction
✔✔20) Which of the following refers to the bending of waves as they pass from one
medium to another due to a change in their speed? - ✔✔
✔✔126. True or False: obstacles in the transmission path can cause radio frequency
interference in telecommunication systems. - ✔✔True
✔✔127. What is the term for the bending of waves as they pass from one medium to
another due to a change in their speed. - ✔✔Refraction
, ✔✔128. sky wave refraction occurs when radio waves below ________ bounce off of
charged particles in the earths ionosphere - ✔✔1 GHz
✔✔125. Which of the following can cause signal fading and distortion - ✔✔Multipath
propagations
✔✔21) An Autonomous Uncrewed Aircraft System has which of the following features?
- ✔✔Requires no human intervention
✔✔22) True or False. A Remotely Piloted Aircraft System (RPAS) has lower levels of
autonomy than an Autonomous Uncrewed Aircraft System. - ✔✔True
✔✔23) Which of the following are core components of all remotely piloted aircraft
systems? (Select all that apply) - ✔✔Control Station , Support Equipment , Payload
✔✔24) What is the primary role of the human in a remotely piloted aircraft system? -
✔✔They are responsible for the safety and reliability of the system.
✔✔29. When ate remotely piloted aircraft systems considered a favorable alternative to
conventional aircraft? (Select all that apply) - ✔✔When conducting flights that expose
human pilots to more dangerous situations. When conducting flights that involve
exposure to hazardous environments. When conducting flights with highly repetitive
tasks.
✔✔7. Which essential function of a control station describes defining mission objectives
and flight paths? - ✔✔Mission Planning
✔✔150.True or False. A rolling shutter captures images line by line. - ✔✔True
✔✔4. Hand, Vehicle Assisted, and VTOL are all methods of what? - ✔✔Launching air
vehicles
✔✔34. Which types of scattering result in the sky looking blue and clouds looking
white? - ✔✔Rayleigh and Mie.
✔✔27. True or False. Beyond Visual Line of Sight and Beyond Line of Sight are the
same. - ✔✔False
✔✔28. Beyond Line-Of-Sight Operations require which of the following? (Select all that
apply) - ✔✔Alternative means of complying with 'see and avoid' requirements
Multiple data links.
QUESTIONS AND SOLUTIONS RATED A+
✔✔11. The uplink, which describes the portion of the data link that transmits commands
and flight plan changes from the ground control station to the air vehicle, is also known
as which of the following? - ✔✔Command Link
✔✔12. Terrain masking, equipment failures, and electromagnetic interference can
cause which of the following conditions? - ✔✔Loss of link
✔✔13. If power and wavelength are equal, which antennas would have the shortest
range? - ✔✔Omni-directional
✔✔14. Which of the following is NOT a function of a remotely piloted aircraft system's
data link? - ✔✔Providing return to home commands in the event of an interruption
✔✔15) Which of the following are typical hardware components of a data link? (Select
all that apply) - ✔✔Antenna , Modem , Receiver , Transmitter
✔✔16) True or False. Frequency Modulation involves encoding information into a
carrier wave by varying the amplitude, amount of energy carried by the wave. -
✔✔False
✔✔17) Obstacles within the transmission path of a radio wave cause which of the
following? - ✔✔Radio Frequency Interference
✔✔18) Which of the following is a measurement of the strength of a signal relative to
ambient noise? - ✔✔SNR
✔✔19) Which of the following refers to the bending of waves as they pass from one
medium to another due to a change in their speed? - ✔✔Refraction
✔✔20) Which of the following refers to the bending of waves as they pass from one
medium to another due to a change in their speed? - ✔✔
✔✔126. True or False: obstacles in the transmission path can cause radio frequency
interference in telecommunication systems. - ✔✔True
✔✔127. What is the term for the bending of waves as they pass from one medium to
another due to a change in their speed. - ✔✔Refraction
, ✔✔128. sky wave refraction occurs when radio waves below ________ bounce off of
charged particles in the earths ionosphere - ✔✔1 GHz
✔✔125. Which of the following can cause signal fading and distortion - ✔✔Multipath
propagations
✔✔21) An Autonomous Uncrewed Aircraft System has which of the following features?
- ✔✔Requires no human intervention
✔✔22) True or False. A Remotely Piloted Aircraft System (RPAS) has lower levels of
autonomy than an Autonomous Uncrewed Aircraft System. - ✔✔True
✔✔23) Which of the following are core components of all remotely piloted aircraft
systems? (Select all that apply) - ✔✔Control Station , Support Equipment , Payload
✔✔24) What is the primary role of the human in a remotely piloted aircraft system? -
✔✔They are responsible for the safety and reliability of the system.
✔✔29. When ate remotely piloted aircraft systems considered a favorable alternative to
conventional aircraft? (Select all that apply) - ✔✔When conducting flights that expose
human pilots to more dangerous situations. When conducting flights that involve
exposure to hazardous environments. When conducting flights with highly repetitive
tasks.
✔✔7. Which essential function of a control station describes defining mission objectives
and flight paths? - ✔✔Mission Planning
✔✔150.True or False. A rolling shutter captures images line by line. - ✔✔True
✔✔4. Hand, Vehicle Assisted, and VTOL are all methods of what? - ✔✔Launching air
vehicles
✔✔34. Which types of scattering result in the sky looking blue and clouds looking
white? - ✔✔Rayleigh and Mie.
✔✔27. True or False. Beyond Visual Line of Sight and Beyond Line of Sight are the
same. - ✔✔False
✔✔28. Beyond Line-Of-Sight Operations require which of the following? (Select all that
apply) - ✔✔Alternative means of complying with 'see and avoid' requirements
Multiple data links.
