Your application encounters a critical error in production. Describe the steps you would take to troubleshoot and resolve the issue efficiently.
- Analyzing error logs and stack traces
- Ignoring the error and waiting for user reports
- Restarting the production server immediately
- Rolling back to the previous version
Analyzing error logs and stack traces is a crucial step in troubleshooting. It helps identify the root cause of the issue, allowing for a targeted and efficient resolution.
In Gitflow, what is the purpose of the release branch?
- Experimental Features, Continuous Integration, Rapid Prototyping
- Hotfix Testing, Bug Fixes, Continuous Deployment
- Long-term Development, Feature Merging, Code Reviews
- Stabilize Code, Finalize Features, Prepare for Deployment
The release branch in Gitflow is used to stabilize code, finalize features, and prepare for deployment. It allows for a controlled process of preparing a release version.
_______ is a feature offered by collaboration platforms to help developers resolve conflicts that arise when merging code changes from different branches.
- Branch Versioning
- Code Review
- Conflict Avoidance
- Merge Conflict Resolution
Merge Conflict Resolution is a feature that helps developers resolve conflicts arising from merging code changes in collaboration platforms. It ensures smooth integration and collaboration within a development team.
What is the primary role of a code reviewer in a pull request process?
- Debugging code
- Ensuring code quality
- Managing project timelines
- Writing new code
The primary role of a code reviewer in a pull request process is to ensure code quality. Code reviewers evaluate proposed changes, identify potential issues, provide feedback, and ensure that the code adheres to coding standards and best practices before it is merged into the main codebase.
Which tag is used to define an unordered list in HTML?
The
- tag is used to define an unordered list in HTML. Items inside this tag are displayed with bullet points.
What are some common methods used for multi-factor authentication?
- Biometric authentication, SMS codes, hardware tokens, and smart cards are common methods for multi-factor authentication.
- Username and password, security questions, fingerprint recognition, and facial recognition are commonly used multi-factor authentication methods.
- Two-factor authentication is the only method for securing multiple factors in the authentication process.
- Multi-factor authentication is not necessary for robust security.
Multi-factor authentication involves using at least two of the mentioned methods to enhance security. Options include biometrics, SMS codes, hardware tokens, and smart cards.
What does the term "uptime" refer to in the context of monitoring systems?
- Duration system is operational
- System responsiveness
- Time taken to deploy a feature
- Time taken to fix a bug
In the context of monitoring systems, "uptime" refers to the duration a system is operational without interruptions or downtime. It is a key metric used to measure the reliability and availability of a system, indicating how well it meets its operational goals.
In a typical web application, which language is commonly used for server-side scripting and database interactions?
- Java
- JavaScript
- PHP
- Python
PHP is commonly used for server-side scripting and database interactions in web applications. It is widely known for its ease of integration with databases and server-side functionalities.
What does the typeof operator return for an array in JavaScript?
- 'array'
- 'object'
- 'string'
- 'undefined'
The typeof operator in JavaScript returns 'object' for an array. Despite arrays being a specific type of object, typeof doesn't distinguish them from generic objects.
What is the primary goal of CI/CD in software development?
- Automated and reliable software delivery
- Efficient collaboration among developers
- Faster development cycles
- Minimizing code changes
The primary goal of CI/CD in software development is to achieve automated and reliable software delivery. It aims to streamline the process of integrating code changes and deploying them with minimal manual intervention.