Selected MCQ

Current Question
Which NASA mission is designed to travel closer to the Sun than any previous spacecraft?
  • A. Voyager 1
  • B. Parker Solar Probe
  • C. Cassini
  • D. New Horizons
Correct Answer: B
Explanation:
The Parker Solar Probe approaches the Sun’s corona more closely than any prior mission.
Related Question 1
Which IoT protocol operates over UDP and is designed for constrained devices?
  • A. MQTT
  • B. HTTP
  • C. CoAP
  • D. FTP
Correct Answer: C
Explanation:
CoAP (Constrained Application Protocol) is a lightweight RESTful protocol for IoT over UDP.
Related Question 2
What distinguishes 5G from previous cellular generations?
  • A. Lower latency and higher bandwidth
  • B. Use of copper lines
  • C. No need for antennas
  • D. Shorter battery life
Correct Answer: A
Explanation:
5G provides much higher speeds and significantly lower latency compared to 4G.
Related Question 3
What is the main goal of NASA's Artemis program?
  • A. Send humans to Mars
  • B. Return astronauts to the Moon
  • C. Build a space station on Mars
  • D. Discover exoplanets
Correct Answer: B
Explanation:
Artemis aims to return humans (including the first woman) to the lunar surface.
Related Question 4
Which space agency launched the Gaia mission to map the Milky Way?
  • A. NASA
  • B. ESA
  • C. Roscosmos
  • D. JAXA
Correct Answer: B
Explanation:
The European Space Agency (ESA) launched Gaia to create a precise 3D star map.
Related Question 5
Which of the following spacecraft performed a flyby of Pluto in 2015?
  • A. Voyager 2
  • B. New Horizons
  • C. Cassini
  • D. Juno
Correct Answer: B
Explanation:
New Horizons is the probe that flew by Pluto in July 2015.