IT602 Midterm File by DL

Course Code: IT602 Midterm MCQ’s file (Week 1-6)

Information Technology infrastructure

Q1. What does IT infrastructure consist of?

o A. Mission-specific equipment and software

o B. Equipment, systems, software, and services used across an organization

o C. Hardware devices only o D. Employee workstations

2. Which type of architecture focuses on the physical and operational aspects of IT? o A. Business architecture

o B. Infrastructure architecture

o C. Application architecture o D. Data architecture

3. Which of the following is a non-functional attribute of IT infrastructure? o A. Disk space

o C. Connectivity o D. Processing power

4. Which attribute describes the system’s ability to perform consistently over time? o A. Scalability o B. Testability

o C. Performance

o D. Recoverability

5. Non-functional attributes are described as: o A. System specifications for hardware

o B. Qualitative behavior of the system

o C. Functional requirements o D. Performance benchmarks

Q6. How a system’s availability is typically expressed?

o A. As a numerical value o B. As an error rate

o C. As a percentage of uptime

o D. As a ratio of successes to failures

7. What is the purpose of balancing conflicting NFRs (Non-functional Requirements)? o A. To achieve maximum cost efficiency

o B. To prioritize some NFRs over others based on stakeholder needs

o C. To eliminate all non-functional requirements o D. To increase processing power

Q8. Which of the following is an example of scalability?

o A. Ensuring secure login

o B. Increasing the system’s capacity to handle additional users

o C. Implementing failover mechanisms o D. Running backup scripts

Q9. What is a primary role of the infrastructure architect?

o A. Developing application-specific functionality

o B. Balancing and prioritizing non-functional requirements

o C. Writing system-level documentation o D. Maintaining user interface consistency

Q10. Which of the following is NOT typically invisible and taken for granted by users?

o A. IT infrastructure o B. Business processes o C. Internet access

o D. Data visualization dashboards

Q1. What does 99.999% availability represent in IT infrastructure?

o A. Five hours of downtime per year

o B. Carrier-grade availability

o C. Average availability for most systems o D. No planned maintenance allowed

Q2. What is the formula for calculating availability?

o A. (Uptime – Downtime) / Total Time

o B. (MTBF) / (MTBF + MTTR) × 100%

o C. Total Time / Downtime o D. MTTR / MTBF × 100%

3. Which of the following components typically has the highest MTBF? o A. Hard disk

o B. RAM

o C. Power supply o D. Ethernet switch

Q4. What does the acronym SPOF stand for in IT infrastructure?

o A. Secure Points of Functionality

o B. Single Point of Failure

o C. Systems Plan of Failover o D. Software Priority of Features

Q5. Which of the following is a primary goal of redundancy?

o A. Reducing system costs

o B. Eliminating single points of failure

o C. Increasing user satisfaction o D. Reducing software bugs

6. Failover systems typically:

o A. Operate automatically

o B. Require manual intervention o C. Are used only during disasters o D. Include temporary SPOFs

7. Business continuity focuses on: o A. Regularly updating hardware components

o B. Providing an effective response to organizational threats

o C. Increasing system performance under load o D. Enhancing the graphical user interface

Q8. What kind of maintenance is more vulnerable to downtime?

o A. Regular backups

o B. Planned maintenance

o C. Data archiving o D. Application development

9. Which of the following is an example of physical defects causing downtime? o A. A RAID configuration error

o B. A broken cooling fan

o C. Network latency o D. A software upgrade failure

Q10. What is the meaning of a "bathtub curve" in IT maintenance?

o It represents consistent performance

o It shows the failure rate over a component’s lifecycle

o It tracks system costs over time o It predicts user satisfaction trends

Q1. What does perceived performance refer to?

o A. Actual system speed

o B. How quickly a system appears to perform tasks

o C. Benchmarking results o D. System stability over time

Q2. Which of the following is NOT a performance testing type?

o A. Load testing o B. Endurance testing

o C. Breakpoint testing

o D. Stress testing

Q3. What is a common cause of bottlenecks in a running system?

o A. Insufficient user training