Git Interview Questions and Answer Part – 8

What are the fundamental concepts in Git’s object model?

  • Commits, trees and leaves
  • Commits, files and branches
  • Commits, tags and branches
  • Commits, snapshots, and references (Ans)

What are the characteristics of a well-formed commit message?

  • It should consist of a short one-sentence summary followed by an optional longer description. (Ans)
  • It should have a total maximum length of 50 characters.
  • It should be short and concise.
  • It should have lines that are no longer than 72 characters.

What is the merge-base between two commits?

  • The list of all common parents of the two commits
  • The first common parent of the two commits (Ans)
  • The oldest common parent of the two commits
  • A special reference pointing to the commit that is being merged into the other one

How do you make sure that each commit represents a single set of changes?

  • You use the index to select which changes are going to be part of the commit. (Ans)
  • You make sure that all the changes in our working directory are relate-
  • You always work on one kind of change at a time.
  • You use branches to isolate different kinds of changes.

Why is the reflog important when rewriting history?

  • Because it allows you to see a list of references currently in the repository
  • Because it allows you to amend existing commits
  • Because it allows you to see a log of the commits currently in the repository
  • Because it allows you to restore history to a previous state (Ans)

TFS Pull Request Notifications can only be configured at the team level.

  • True
  • False (Ans)

How do you get commits to a remote repository such as GitHub?

  • Checkin
  • Push (Ans)
  • Commit
  • Upload

How many options do you have for source control in TFS 2013?

  • 2 (Ans)
  • 3
  • 4
  • 1

You can include external Git repositories in an automated TFS Buil-

  • false
  • true (Ans)

When do Reference CodeLens Indicators get updated on a Method definition?

  • When you commit your changes locally
  • As soon as you add code that references that method (Ans)
  • When you compile your code
  • When you push your changes to the server

What information can you see on the Pull Request details screen in TFS?

  • Code Changes
  • Source branch
  • File listing
  • Target branch
  • Discussion
  • All of these (Ans)
  • Reviewers

What version control approaches are used by Centralized Version Control systems?

  • All of the Above (Ans)
  • Edit/Commit
  • None of the Above
  • Check-in/Check-out

Pushing your local repository to a central Git repository includes all your commits.

  • true (Ans)
  • false

To access a file’s history in Git, you must access a central repository.

  • False (Ans)
  • True

If you create a new method, when does the CodeLens History indicator reflect that you are the author?

  • When you compile your code
  • When you push your changes to the server
  • As soon as the method is created
  • When you commit your changes locally (Ans)

If your co-worker changes a method and pushes the change to the server, when does CodeLens tell you about the change?

  • When you push your changes to the server
  • When she commits her changes locally
  • When you pull her changes from the server (Ans)
  • As soon she pushes her changes to the server

What should you use to work with a local Git Repository and a centralized TFS source control repository?

  • Git Source Control Provider
  • Git-TF (Ans)
  • Visual Studio Git Extensions

To create a Git branch, you must first create it in a shared repository and then copy that branch to your local repository.

  • False (Ans)
  • True

What version control approaches are used by Centralized Version Control systems?

  • Check-in/Check-out
  • None of the Above
  • Edit/Commit
  • All of the Above (Ans)

If a Pull Request is rejected, can you make code changes and submit a revision?

  • Yes (Ans)
  • No
Rajesh Kumar
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