List of top Questions asked in WBBSE- 2026

Define Ransomware and suggest two methods to prevent such attacks.
Define SQL Injection and how it affects database security.
What is the difference between a Denial of Service (DoS) and a Distributed Denial of Service (DDoS) attack?
What is Social Engineering, and why is it considered a non-technical threat?
Explain the concept of Two-Factor Authentication (2FA) and its importance.
Describe the role of a Firewall in protecting a private network.
Explain the process of Asymmetric Encryption using public and private keys.
What are the primary differences between a Computer Virus and a Worm?
What is Phishing, and how can users identify a suspicious email?
What is Digital Steganography, and how does it differ from encryption?
What is a Confusion Matrix, and how do you calculate Accuracy, Precision, and Recall from it?
Define the three pillars of the CIA Triad.
Discuss the major ethical issues in AI, such as Bias, Privacy, and Accountability.
Explain the biological motivation behind Artificial Neural Networks (ANN).
Explain the Turing Test and its significance in measuring machine intelligence.
Define Computer Vision and list its primary pipeline stages (Acquisition, Preprocessing, Feature Extraction).
Explain the purpose of the Train-Test Split technique in evaluating model performance.
Differentiate between Supervised and Unsupervised Learning with real-world examples.
Explain the concept of Linear Regression and the role of the Mean Squared Error (MSE) loss function.
Define the 5 Vs of Big Data: Volume, Velocity, Variety, Veracity, and Value.
What is the Gradient Descent algorithm and how does it help in model optimization?
Describe the five stages of Design Thinking: Empathize, Define, Ideate, Prototype, and Test.
Explain the 10 stages of the Foundational Methodology for Data Science.
Why is the "Business Understanding" stage considered the most critical phase of an AI project?
What are the key principles of Effective Data Visualization?