# Knowledge Check: Introduction to version control

1. **Which of the following are the benefits of using Version Control?**
    
    Select all that apply.
    
    * Identity
        
    * <mark>Revert / Rollback</mark>
        
    * <mark>Collaboration</mark>
        
2. **When multiple developers work on the same file, a merge conflict will never occur.**
    
    * True
        
    * <mark>False</mark>
        
3. **Revision History is a record of all changes within a project. It allows you to pinpoint who made the changes, when they were made and what was changed.**
    
    * <mark>True</mark>
        
    * False
        
4. **Which of the following are centralised Version Control Systems? Select all that apply.**
    
    * <mark>Concurrent Versions System</mark>
        
    * Mercurial
        
    * <mark>Subversion</mark>
        
    * Git
        
5. **Which of the following complements Version Control during software development? Select all that apply.**
    
    * <mark>Continuous Integration</mark>
        
    * <mark>Continuous Delivery</mark>
        
    * <mark>Continuous Deployment</mark>