1st Year Computer Chapter 1 Test1. Computer Systems

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. What type of attach involves cybercriminals impersonating trusted entities to deceive users into revealing sensitive information?
   1. Malware attack
   2. Denial of Service attack
   3. Phishing attack
   4. Insider threat
2. What is the main advantage of asymmetric encryption over symmetric encryption?
   1. Faster encryption and decryption
   2. Simplified key distribution
   3. Non-repudiation
   4. Lower computational complexity
3. Which principle in Boolean algebra involves interchanging AND and OR operators while complementing variables?
   1. Absorption Law
   2. Identity Law
   3. Principle of Duality
   4. Distributive Law
4. Which software development model is characterized by iterative development and frequent updates throughout the project's lifecycle?
   1. Waterfall Model
   2. Agile Model
   3. Feasibility Model
   4. Design Model
5. What does 2FA (Two-Factor Authentication) require for user access?
   1. Two different passwords
   2. Two different encryption keys
   3. Two different authentication methods
   4. Two different user accounts methods
6. Which Agile model phase involves evaluating the software to identify and fix defects?
   1. Design
   2. Testing
   3. Deployment
   4. Requirements Gathering
7. Which phase of SDLC focuses on understanding user expectations and identifying software requirements?
   1. Maintenance/Support Phase
   2. Deployment/Implementation Phase
   3. Requirement Engineering Phase
   4. Testing/Verification Phase
8. What type of encryption uses a single, secret key for both encryption and decryption?
   1. Asymmetric encryption
   2. Public-key encryption
   3. Symmetric encryption
   4. Triple DES encryption
9. What are the two fundamental digits used in binary code?
   1. 0 and 2
   2. 1 and 3
   3. 0 and 1
   4. A and B
10. Which phase of SDLC involves assessing whether the proposed software/system is feasible in terms of resources and budget?
    1. Design Phase
    2. Analysis Phase
    3. Feasibility Study Phase
    4. Coding Phase