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MongoDB Exam C100DBA Topic 1 Question 92 Discussion

Actual exam question for MongoDB's C100DBA exam
Question #: 92
Topic #: 1
[All C100DBA Questions]

Which of the following is true of the mechanics of replication in MongoDB? Check all that apply.

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Suggested Answer: C

by Paz at Jul 09, 2024, 09:25 AM

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Shalon
3 months ago
I'm just glad the question didn't ask about the 'mongooprah' command. That one always trips me up!
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Blythe
3 months ago
Option B sounds right to me. Isn't that how MongoDB is designed to work, to read from the nearest member by default?
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Kenneth
3 months ago
Hmm, I don't know about option B. Isn't that just a default setting that can be changed? Maybe it's not always true.
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Bambi
3 months ago
I think it can be changed, so it may not always be true.
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Gladys
3 months ago
Option B is true, clients do read from the nearest member by default.
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Vivan
4 months ago
I think A and C are both true. The replica set members can replicate from each other, and the oplog is where the primary stores the operations.
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Clare
4 months ago
I'm pretty sure option C is correct. The oplog is where the primary records all operations, right?
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In
3 months ago
So, the correct options are A and C. Good job on identifying them!
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Shad
3 months ago
Option C is definitely true. The oplog is essential for replication in MongoDB.
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Jestine
3 months ago
You're right. Option A is also correct. Members can replicate data from any other data-bearing member by default.
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Jaime
3 months ago
That's right. The oplog is a capped collection that stores all the operations on the primary.
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Melissa
3 months ago
Yes, you are correct. Option C is true. The oplog is where all operations on the primary are recorded.
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Jenise
3 months ago
That's good to know. I think option A is also true. Members of a replica set may replicate data from any other data-bearing member.
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Refugia
3 months ago
Option C is definitely true. The oplog is essential for replication in MongoDB.
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Mollie
3 months ago
Yes, you are correct. Option C is true. The oplog is where the primary records all operations.
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Olen
3 months ago
That's right. The oplog is a capped collection that stores all the operations on the primary.
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Meghan
3 months ago
Yes, you are correct. Option C is true. The oplog is where the primary records all operations.
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Mendy
4 months ago
I'm not sure about B), but I think A) and C) are definitely true based on my understanding of MongoDB replication.
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Paulina
4 months ago
I agree with A), but I also think C) is true because operations on the primary are recorded in the oplog.
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Arthur
5 months ago
I think A) is true because members can replicate data from any other data-bearing member.
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