Selected MCQ

Current Question
What does "phishing" typically involve in cybersecurity?
  • A. Sending malware via USB
  • B. Tricking users into giving credentials via fake emails
  • C. Intercepting wireless signals
  • D. Overloading a network
Correct Answer: B
Explanation:
Phishing is an attack in which users are deceived (often via email) into revealing sensitive information.
Related Question 1
What is phishing in the context of cybersecurity?
  • A. Exploiting software vulnerabilities
  • B. Forging digital certificates
  • C. Deceiving users into revealing credentials
  • D. Analyzing network traffic
Correct Answer: C
Explanation:
Phishing is a social engineering attack that tricks users into giving up sensitive information.
Related Question 2
Which concept involves using sensor data to create a 3D model of a city or facility?
  • A. Digital wallet
  • B. Digital twin
  • C. Virtual machine
  • D. Quantum replica
Correct Answer: B
Explanation:
Digital twins can model entire environments or systems in real-time using sensor data.
Related Question 3
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 4
What does 'least privilege' mean in cybersecurity?
  • A. Admins have all privileges
  • B. Users have only the access necessary for their role
  • C. Everyone has the same privileges
  • D. Turn privileges off at night
Correct Answer: B
Explanation:
Least privilege means giving users only the permissions they need, minimizing potential damage.
Related Question 5
Which loss function is typically used for binary classification?
  • A. Softmax loss
  • B. Mean squared error
  • C. Cross-entropy loss
  • D. Huber loss
Correct Answer: C
Explanation:
Cross-entropy loss (binary or logistic) is commonly used for binary classification tasks.