Selected MCQ

Current Question
What is the primary gas in the Martian atmosphere?
  • A. Nitrogen
  • B. Oxygen
  • C. Carbon dioxide
  • D. Argon
Correct Answer: C
Explanation:
Mars' atmosphere is about 95% carbon dioxide.
Related Question 1
What is a primary function of a CDN (Content Delivery Network)?
  • A. To store user credentials
  • B. To distribute content globally with low latency
  • C. To encrypt all network traffic
  • D. To provide cloud compute instances
Correct Answer: B
Explanation:
A CDN replicates content to servers around the world, speeding up access for users.
Related Question 2
The Vera C. Rubin Observatory's primary mission is to survey the sky for studies of:
  • A. Solar system planets
  • B. Dark matter and dark energy
  • C. Nearby satellites
  • D. Intergalactic propulsion
Correct Answer: B
Explanation:
Rubin Observatory's wide-field survey is focused on mapping dark matter and dark energy through cosmic structure.
Related Question 3
What is the primary advantage of using a GPU over a CPU for training deep neural networks?
  • A. Faster single-thread performance
  • B. Large memory capacity
  • C. Parallel processing of many operations
  • D. Built-in neural network instructions
Correct Answer: C
Explanation:
GPUs can perform many operations in parallel, greatly speeding up matrix computations in neural network training.
Related Question 4
What does "API" stand for, and what is its primary purpose?
  • A. Automated Programming Interface, for automated coding
  • B. Application Programming Interface; to allow software components to communicate
  • C. Applied Password Interface; for securing applications
  • D. Application Platform Integration, for platform customization
Correct Answer: B
Explanation:
API stands for Application Programming Interface, and it allows different software applications to interact with each other.
Related Question 5
Which of these is NOT one of the three primary service models of cloud computing?
  • A. Infrastructure as a Service (IaaS)
  • B. Platform as a Service (PaaS)
  • C. Container as a Service (CaaS)
  • D. Software as a Service (SaaS)
Correct Answer: C
Explanation:
The main models are IaaS, PaaS, and SaaS; CaaS is not a standard term.