Drones Unit 3 Quiz

Which frequency bands are commonly used in remotely piloted aircraft systems?

• A, R, F, and SATCOM

• M, L, S, and C bands

• Z, L, C, and Ka bands

• S, L, C, and Ku bands

Obstacles within the transmission path of a radio wave cause which of the following?

• radio frequency propagation

• radio frequency interference

• radio frequency polarity

• sky wave reflection

If power and wavelength are equal, which antennas would have the shortest range?

• omni-directional

• parabolic

• directional

• yagi

Tags

NGSS.HS-PS4-5

Which of the following data links would enable Beyond Line of Sight Operations? (Select all that apply)

• omni-directional antennas

• iridium SATCOM

• airborne relay

• directional antennas

What is another name for the uplink between the Ground Control Station and the Air Vehicle?

• downlink

• telemetry link

• command link

• air link

Tags

NGSS.HS-PS4-5

Which of the following is NOT a function of a remotely piloted aircraft system's data link?

• transmitting video images

• allowing GCS control of the AV

• relaying aircraft status information

• providing return to home commands in the event of an interruption

The uplink, which describes the portion of the data link that transmits commands and flight plan changes form the ground control station to the air vehicle, is also known as which of the following?

• telemetry link

• command link

• data link

• line of sight link

Tags

NGSS.HS-PS4-5

Which of the following advantages do directional antennas have over omnidirectional antennas?

• less complicated to set up

• have a shorter range than omni

• directional can transmit and receive data continuously in 360 degrees

• have a longer range than omni

Tags

NGSS.HS-PS4-5

Directional antennas, encryption, and signal filtering will help with which of the following?

• lower cost of the system

• making the data link impervious to malicious attack

• improving reliability

• simplicity and efficiency

Tags

NGSS.HS-PS4-5

NGSS.HS-ETS1-3

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

• diffraction

• absorption

• reflection

Tags

NGSS.MS-PS4-2