Anyone please confim below “A” is correct, I have doubt on it, but mongodb univercity showing its correct
Which of the following can result in rolling maintenance? (Select all that apply.)
Incorrect Answer
- A. Creating a new index
Correct Answer
Correct.
Creating a new index on a replica set requires it to be built on each node in a rolling fashion.
- B. Upgrading the MongoDB version
Your Answer:
Correct
Correct.
The MongoDB version of each host must be upgraded individually in a rolling fashion.
- C. Creating a new user
Incorrect.
The process of creating a new user is replicated by all members of a replica set, which eliminates the need for rolling maintenance.
- D. Upgrading the operating system
Your Answer:
Correct
Correct.
Upgrading the host’s operating system requires you to restart each mongod process in a rolling fashion.
