MongoDB Exam C100DBA Topic 1 Question 89 Discussion

Actual exam question for MongoDB's C100DBA exam

Question #: 89
Topic #: 1

[All C100DBA Questions]

Which of the following is true about sharding?

ACreating a sharded key automatically creates an index on the collection using that key

BWe cannot change a shard key directly/automatically once it is set up

CA sharded environment does not support sorting functionality since the documents lie on various mongod instances

DSharding is enabled at the database level

Show Suggested Answer

Suggested Answer: A

by Marylin at May 28, 2024, 08:48 PM

Limited Time Offer

25%

Off

Contribute your Thoughts:

Submit Cancel

5 days ago

Hmm, that makes sense too. I guess we need to review the sharding concept more thoroughly before the exam.

upvoted 0 times

...

6 days ago

A sharded key is automatically indexed? That's news to me. Sounds like a sly way to get me to choose A.

upvoted 0 times

...

8 days ago

I disagree, I believe the correct answer is A) Creating a sharded key automatically creates an index on the collection using that key.

upvoted 0 times

...

15 days ago

I think the answer is B) We cannot change a shard key directly/automatically once it is set up.

upvoted 0 times

...