Deal of The Day! Hurry Up, Grab the Special Discount - Save 25% - Ends In 00:00:00 Coupon code: SAVE25

- Free Preparation Discussions

MongoDB C100DBA Exam - Topic 1 Question 81 Discussion

Actual exam question for MongoDB's C100DBA exam

Question #: 81
Topic #: 1

[All C100DBA Questions]

Write the command(s) are correct to enable sharding on a database "testdb" and shard a collection "testCollection" with _id as shard key.

AshenableShardingtestdbshshardCollectiontestdbtestCollectionidtrue

Show Suggested Answer

Suggested Answer: A

by Karl at Feb 08, 2024, 11:28 PM

Limited Time Offer

25%

Off

Get Premium C100DBA Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

Submit Cancel

Judy

7 months ago

I think there's a typo in that command.

upvoted 0 times

...

Truman

8 months ago

Looks good to me, but I’d double-check the syntax.

upvoted 0 times

...

Wilda

8 months ago

Wait, is `_id` really the best shard key?

upvoted 0 times

...

Evelynn

8 months ago

Totally agree, that's the right first step!

upvoted 0 times

...

Tonja

8 months ago

You need to use `sh.enableSharding("testdb")` first.

upvoted 0 times

...

Harrison

9 months ago

I vaguely recall that you need to specify the shard key correctly, but I can't remember if it should be `{ _id: 1 }` or just `_id`.

upvoted 0 times

...

Alyce

9 months ago

I feel like I might be mixing up the order of the commands. Was it `sh.shardCollection` before or after `sh.enableSharding`?

upvoted 0 times

...

Elliot

9 months ago

I remember practicing a similar question where we had to shard a collection, and I think the command was `sh.shardCollection("testdb.testCollection", { _id: 1 })`.

upvoted 0 times

...

Jess

9 months ago

I think the command to enable sharding is something like `sh.enableSharding("testdb")`, but I'm not completely sure about the syntax.

upvoted 0 times

...

Boris

9 months ago

No problem, this is straightforward. The commands you need are "sh.enableSharding('testdb')" and "sh.shardCollection('testdb.testCollection', {'_id': 1})" - that should do the trick.

upvoted 0 times

...

Stevie

9 months ago

Wait, I'm a little confused. Do I need to do anything else besides those two commands? I want to make sure I have the full solution.

upvoted 0 times

...

Glenn

9 months ago

Alright, I've got this. The correct command is "sh.enableSharding('testdb')" to enable sharding on the database, and then "sh.shardCollection('testdb.testCollection', {'_id': 1})" to shard the collection using the "_id" field.

upvoted 0 times

...

Dana

9 months ago

Okay, let me think this through step-by-step. First, I need to enable sharding on the "testdb" database. Then I can shard the "testCollection" collection using the "_id" field as the shard key.

upvoted 0 times

...

Phyliss

9 months ago

Hmm, this looks like a MongoDB question. I think I'll need to review my sharding commands to make sure I get this right.

upvoted 0 times

...

Selma

9 months ago

This seems like a tricky question. I'll need to carefully analyze the options to identify the most likely trigger for the review.

upvoted 0 times

...

Julene

9 months ago

Okay, I've got this. A SWOT analysis is used to understand the current state of things - the strengths, weaknesses, opportunities, and threats. That's option A, so I'm going with that.

upvoted 0 times

...

Alexis

9 months ago

This is a tricky one. I think Prisma Access might be a feature, but I'm not 100% sure. I'll select that as my third choice and hope for the best.

upvoted 0 times

...

Margurite

9 months ago

Pretty sure it's false because I recall discussing how enabling features can pose security risks if left default.

upvoted 0 times

...

Dawne

10 months ago

Utilization seems right, but for the other two, I keep mixing up optics and power consumption. Did we even cover all three in class?

upvoted 0 times

...

Crista

2 years ago

Great, I feel more confident now about setting up sharding on this database

upvoted 0 times

...

Leonida

2 years ago

That makes sense, because we need to specify the collection name within the 'shardCollection' command

upvoted 0 times

...

Lawanda

2 years ago

I think the correct command is sh.enableSharding("testdb") followed by sh.shardCollection("testdb.testCollection", {"_id": 1})

upvoted 0 times

...

Crista

2 years ago

But don't we also need to enable sharding on the 'testCollection' collection with '_id' as the shard key?

upvoted 0 times

...

Leonida

2 years ago

No, I believe it should be sh.enableSharding("testdb")

upvoted 0 times

...

Crista

2 years ago

I think the correct command is sh.shardCollection("testdb", "testCollection", {"_id": "hashed"})

upvoted 0 times

...

Lashon

2 years ago

That makes sense. Enabling sharding on 'testdb' and sharding 'testCollection' with '_id' as shard key will help distribute data efficiently.

upvoted 0 times

...

Burma

2 years ago

Yes, I agree with Celestine. And to shard a collection with '_id' as shard key, the command should be 'sh.shardCollection('testdb.testCollection', {_id: 1})'.

upvoted 0 times

...

Celestine

2 years ago

I think the correct command to enable sharding on a database 'testdb' is 'sh.enableSharding('testdb')'.

upvoted 0 times

...