Git · Senior · Question 37 of 76

What does Git protocol v2 improve?

1It encrypts every object with a key for each user
✓Correct answer: Clients ask only for the refs they need, not all
3It replaces SSH with plain HTTP for every operation

Explanation

Version 0 advertised every ref up front, which is slow for repositories with many branches and PR refs. v2 also makes adding capabilities easier.

Further reading

Pro Git: Working with remotes ↗

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