In Git, a merge conflict occurs when two branches have made changes to the _______ lines of code in a file.

  • Different
  • Important
  • Same
  • Specific
A merge conflict in Git arises when two branches have made changes to the same lines of code in a file. Git cannot automatically merge these changes, requiring manual resolution.

Enabling _______ compression can reduce the size of files transferred over the network, improving overall performance.

  • Gzip
  • RAR
  • Tar
  • ZIP
Enabling Gzip compression is a common practice to reduce the size of files transferred over the network. Gzip compresses files before sending them, reducing bandwidth usage and improving overall performance.

In a web application, you want to fetch data from an external API asynchronously. Which JavaScript feature would you use for this purpose?

  • Promise
  • Callback functions
  • Async/Await
  • Observables
To fetch data from an external API asynchronously in a web application using JavaScript, you would use the Async/Await feature. It simplifies the asynchronous code and makes it more readable. The correct option reflects modern asynchronous programming practices.

What is the purpose of the Git command "git merge"?

  • To combine changes from different branches
  • To create a new branch
  • To delete a branch
  • To rename a branch
The purpose of the Git command git merge is to combine changes from different branches. It integrates changes from the specified branch into the current branch, facilitating collaboration and code integration.

What is a primary use case for MongoDB?

  • Document-oriented storage
  • Relational data storage
  • Key-value storage
  • Graph storage
MongoDB is a document-oriented database, making option 1 the correct answer. It is designed for storing, querying, and processing large amounts of unstructured data in a JSON-like format known as BSON.

Azure _______ is used for monitoring and diagnostics of applications deployed on Azure.

  • Application Insights
  • Azure Blob Storage
  • Azure DevOps
  • Azure Monitor
Azure Monitor is used for monitoring and diagnostics of applications deployed on Azure. It provides insights into the performance and availability of applications and infrastructure, helping to identify and troubleshoot issues.

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.