You are tasked with minimizing downtime during deployment in a highly scalable application. Which CI/CD strategy would be most effective in achieving this?
- Blue-Green Deployment
- Canary Deployment
- Feature Toggles (Feature Flags)
- Rolling Deployment
Blue-Green Deployment is a strategy where you have two identical environments (blue and green), allowing seamless switching with minimal downtime during deployment.
The _____ SOLID principle emphasizes that high-level modules should not depend on low-level modules, but they should depend on abstractions.
- Dependency Inversion
- Interface Segregation
- Liskov Substitution
- Open-Closed
The Dependency Inversion SOLID principle states that high-level modules should not depend on low-level modules; both should depend on abstractions. This promotes the use of interfaces or abstract classes to achieve this separation of concerns, enhancing maintainability and flexibility in the software.
Which aspect of database design ensures that there is minimal redundancy and dependency by organizing fields and tables of a database?
- Data Serialization
- Data Validation
- Database Fragmentation
- Database Normalization
Database Normalization is the process of organizing data in a database to minimize redundancy and dependency, which leads to a more efficient and reliable database structure.
One of the limitations of traditional SDLC is that testing is often relegated to the _____ phase, which can lead to delays.
- Development
- Planning
- Requirements
- Testing
One of the limitations of traditional SDLC is that testing is often relegated to the Development phase. This means that testing occurs late in the cycle, which can lead to delays and increased costs due to the identification and rectification of defects late in the process. It is more effective to incorporate testing earlier in the process to catch issues sooner.
Which prototyping model is characterized by building a partial implementation of a system and then progressively expanding and refining it?
- Agile Model
- Incremental Model
- Spiral Model
- Waterfall Model
The Incremental Prototyping Model involves building a partial implementation of the system and then progressively expanding and refining it by adding new features or functionality.
What challenges might a development team face when implementing pair programming as a code review technique?
- Improved code quality and efficiency
- Increased productivity and quality issues
- Reduced collaboration
- Reduced knowledge sharing between team members
Pair programming, as a code review technique, may lead to reduced knowledge sharing between team members. While it can enhance code quality and efficiency, it may challenge knowledge distribution.
A team is developing a real-time gaming application. During which type of testing would they assess the application's responsiveness and stability under peak user load?
- Integration Testing
- Performance Testing
- System Testing
- Unit Testing
In this scenario, the team needs to assess the application's responsiveness and stability under peak user load, which is the primary goal of performance testing. Performance testing evaluates system behavior under different conditions and helps identify bottlenecks and issues.
How can inconsistencies in requirements be identified during the validation process?
- Ignoring inconsistencies.
- Manual review by developers.
- Using a different validation tool.
- Using automated analysis tools.
Inconsistencies in requirements can be identified during validation through manual review by developers. Ignoring inconsistencies can lead to issues, making manual review critical.
What is the primary goal of software patch management?
- Enhancing user interface
- Fixing software bugs
- Improving hardware
- Reducing software features
The primary goal of software patch management is to fix software bugs and vulnerabilities. Patches are updates that address security flaws and issues in software, enhancing its reliability and security.
Which of the following best describes the process of Test-Driven Development (TDD)?
- Skip testing altogether
- Write code first, then test
- Write tests first, then code
- Write tests only when necessary
TDD involves writing tests before writing the actual code. These tests are meant to define the expected behavior of the code, and developers implement the code to meet these predefined expectations.