Selected MCQ

Current Question
What is a common defense against a DDoS attack?
  • A. Multi-factor authentication
  • B. Rate limiting and filtering
  • C. Switching to HTTP from HTTPS
  • D. Enabling auto-merge
Correct Answer: B
Explanation:
Rate limiting or traffic filtering can help mitigate Distributed Denial of Service attacks.
Related Question 1
What does a privilege escalation attack involve?
  • A. Reducing user rights
  • B. Gaining higher-level permissions than authorized
  • C. Changing passwords
  • D. Encrypting network traffic
Correct Answer: B
Explanation:
Privilege escalation is when an attacker obtains higher permissions than they should have.
Related Question 2
What is a common use of a security certificate on websites?
  • A. To improve page speed
  • B. To prove domain ownership and enable HTTPS
  • C. To store user data
  • D. To track cookies
Correct Answer: B
Explanation:
SSL/TLS certificates authenticate website identity and enable encrypted HTTPS connections.
Related Question 3
What is a common method for brute-forcing network passwords?
  • A. SQL injection
  • B. Dictionary attack
  • C. DNS spoofing
  • D. Packet sniffing
Correct Answer: B
Explanation:
A dictionary attack tries many possible passwords from a wordlist to guess credentials.
Related Question 4
Which of these is a common application of industrial robots?
  • A. Surgical operations on humans
  • B. Welding and assembly in factories
  • C. Detecting distant earthquakes
  • D. Providing home assistance
Correct Answer: B
Explanation:
Industrial robots are widely used for tasks like welding and assembly in manufacturing.
Related Question 5
What is a common activation function used in the output layer for multi-class classification?
  • A. Sigmoid
  • B. Softmax
  • C. ReLU
  • D. Linear
Correct Answer: B
Explanation:
Softmax activation is used for multi-class outputs to produce probabilities summing to 1.