How does the CSS z-index property work?
- Determines the stacking order of positioned elements. Elements with a higher z-index value are stacked on top of elements with lower values.
- Defines the width and height of an element. Elements with a higher z-index value have a larger width and height.
- Specifies the position of an element in the layout. Elements with a higher z-index value are positioned lower in the layout.
- Sets the transparency level of an element. Elements with a higher z-index value are more transparent.
The correct option explains that the z-index property in CSS determines the stacking order of positioned elements, with higher values stacking on top.
In which collaboration tool can developers create and manage branches for implementing new features or fixing bugs?
- Bitbucket
- Git
- Jira
- Trello
Bitbucket is a collaboration tool that allows developers to create and manage branches for implementing new features or fixing bugs. It is particularly known for its integration with Git and providing version control capabilities.
Which branching strategy encourages developers to create feature branches off the main branch for each new feature?
- Feature Branching
- Forking Workflow
- Git Flow
- Trunk-Based Development
The branching strategy that encourages creating feature branches off the main branch for each new feature is known as "Git Flow." It promotes a structured approach to managing features, releases, and hotfixes in a Git repository.
What is the primary goal of authentication?
- Authorizing access to resources
- Confirming the identity of a user
- Ensuring data integrity
- Validating network connectivity
The primary goal of authentication is to confirm the identity of a user. It verifies that the user is who they claim to be before granting access to resources or systems.
Data _______ is a crucial step before migration to ensure data quality and compatibility.
- Cleansing
- Compression
- Encryption
- Validation
Data cleansing is a crucial step before migration to ensure data quality and compatibility. It involves identifying and correcting errors or inconsistencies in the data.
Among the options, which language is often associated with the server-side environment in a Node.js application?
- Java
- JavaScript
- Python
- Ruby
JavaScript is often associated with the server-side environment in a Node.js application. Node.js enables server-side scripting using JavaScript.
The HTTP _______ status code is used to indicate that the requested resource could not be found.
- 200
- 302
- 404
- 500
The HTTP 404 status code is used to indicate that the requested resource could not be found on the server. It is a standard response for an unsuccessful request.
In database systems, a _______ is a mechanism to control access to data items by multiple transactions.
- Buffer
- Lock
- Semaphore
- Trigger
In database systems, a lock is a mechanism used to control access to data items by multiple transactions. It helps in preventing conflicts and ensuring the consistency of the data during concurrent access. Locks can be applied at various levels, such as row-level, page-level, or table-level.
In _______ caching, data is stored closer to the end-user to reduce latency.
- Client-Side
- Edge
- Remote
- Server-Side
Edge caching involves storing data closer to the end-user, typically on servers at the edge of the network. This reduces latency and improves the user experience.
How does distributed tracing differ from traditional logging and monitoring?
- Distributed tracing focuses on tracking requests as they traverse various services in a microservices architecture, providing end-to-end visibility. Traditional logging captures events and errors but lacks the context of request flow. Monitoring involves tracking system metrics, often lacking detailed request-level insights.
- Distributed tracing is primarily concerned with server-side events, while traditional logging focuses on client-side interactions.
- Distributed tracing is suitable only for monolithic applications, while traditional logging and monitoring are better for microservices.
- Traditional logging and monitoring provide real-time insights, whereas distributed tracing is retrospective in nature.
Distributed tracing is designed to follow the journey of a request across services, offering a comprehensive view of its path. Traditional logging captures events without the contextual flow, and monitoring deals with system-level metrics.