What is one primary reason for implementing data migration?
- Cost Reduction
- Data Consolidation
- Performance Improvement
- System Upgrade
One primary reason for implementing data migration is data consolidation. It involves moving data from multiple sources to a single, unified system, streamlining operations, and improving data management efficiency.
Which SDLC model is characterized by multiple cycles of development and testing, with each cycle producing a deliverable product increment?
- Incremental Model
- Iterative Model
- RAD Model
- V-Model
The Incremental Model is characterized by multiple cycles of development and testing, with each cycle producing a deliverable product increment. This iterative approach allows for the incremental release of parts of the system, providing early benefits to stakeholders.
The <<<<<<<, =======, and >>>>>>> markers in a file indicate the conflicted sections during a merge _______.
- Attempt
- Conflict
- Process
- Resolution
The markers (<<<<<<<, =======, >>>>>>>) in a file during a merge conflict indicate the conflicted sections. Developers use these markers as guides to manually resolve conflicts during the merging process.
What are some best practices for preventing merge conflicts in collaborative Git workflows?
- Allowing Large Commits
- Branching Strategies
- Communication Among Team Members
- Regularly Pulling Changes
Best practices for preventing merge conflicts include regularly pulling changes to stay updated, using effective branching strategies, and fostering communication among team members. These practices help minimize conflicts and ensure a smoother collaborative workflow.
Kubernetes automates the deployment, scaling, and _______ of containerized applications.
- Isolation
- Management
- Optimization
- Orchestration
Kubernetes automates the deployment, scaling, and "orchestration" of containerized applications. It manages the coordination and configuration of containers to ensure they work together seamlessly.
In SQL, the SELECT statement is used to _______ data from a database.
- Delete
- Insert
- Retrieve
- Update
In SQL, the SELECT statement is used to retrieve data from a database. It allows you to query the database and fetch the desired information.
Which type of attack involves tricking a user into performing actions they did not intend to do?
- Cross-Site Scripting (XSS)
- Denial-of-Service (DoS)
- Man-in-the-Middle (MitM)
- Social Engineering
Social Engineering involves tricking users into performing actions they did not intend to do. This can include manipulation, deception, or impersonation to gain unauthorized access or information.
Which feature in Browser Developer Tools allows you to inspect and edit network requests and responses?
- Console panel
- Elements panel
- Network panel
- Sources panel
The "Network" panel in Browser Developer Tools enables the inspection and editing of network requests and responses. It's a crucial tool for debugging and optimizing web applications.
What is an index in a relational database, and how does it improve performance?
- Algorithm for sorting data in a table
- Data structure that provides a quick look-up of rows based on column values
- Function to calculate the average of a column
- Unique constraint on a column
An index in a relational database is a data structure that provides a quick look-up of rows based on column values, improving the speed of data retrieval. It acts as a roadmap to locate specific data efficiently.
Which tool is commonly used for version control in CI/CD pipelines?
- Docker
- Git
- Jenkins
- Maven
Git is commonly used for version control in CI/CD pipelines. It provides a distributed version control system that allows developers to track changes in their codebase efficiently.