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MongoDB C100DBA Exam - Topic 3 Question 110 Discussion

Actual exam question for MongoDB's C100DBA exam
Question #: 110
Topic #: 3
[All C100DBA Questions]

Which node in a replica set does accept write operation?

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Suggested Answer: C

by Michael at Apr 08, 2025, 02:22 AM

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Alita
4 months ago
Just to clarify, arbiters don’t handle writes at all.
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Layla
4 months ago
Wait, are you sure? I thought secondaries could do that too.
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Lashaunda
4 months ago
Yup, primary is the only one that can write!
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Jackie
4 months ago
Totally agree, it's always the primary!
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Willow
5 months ago
The primary node accepts write operations.
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Gilberto
5 months ago
I definitely recall that arbiters don’t accept writes, but I need to double-check if hidden nodes can.
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Jessenia
5 months ago
I’m a bit confused; I thought secondaries could also handle writes in some scenarios, but maybe that’s not the case here.
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Hubert
5 months ago
I remember practicing a question like this, and I believe the primary is the correct answer.
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Ayesha
5 months ago
I think the primary node is the one that accepts write operations, but I'm not entirely sure.
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Lavera
6 months ago
I'm a little confused by this question. I know replica sets have different node types, but I can't recall which one specifically handles writes. I'll have to review my notes on replica set architecture to make sure I choose the right answer.
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Francesco
6 months ago
The primary node is definitely the one that accepts write operations. The other nodes like secondaries and arbiters are there for redundancy and failover, but they don't handle writes directly. I'm confident option C is the correct answer.
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Vicky
6 months ago
Hmm, I'm a bit unsure about this one. I know the primary node is responsible for write operations, but I can't remember if the other nodes like secondaries or arbiters can accept writes as well. I'll have to think this through carefully.
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Sharika
6 months ago
I'm pretty sure the primary node in a replica set is the one that accepts write operations, so I'll go with option C.
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Tanesha
11 months ago
Hmm, I wonder if the secondary nodes get jealous of the primary's write privileges. Healthy competition, I say!
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Glendora
10 months ago
D) secondary
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Twana
10 months ago
C) primary
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Afton
10 months ago
B) hidden
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Bok
11 months ago
A) arbiter
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Ettie
12 months ago
I bet the arbiter node is so tired of being overlooked. Somebody give it a chance!
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Wenona
10 months ago
But what about the arbiter node? Doesn't it have a role in the replica set too?
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Dalene
10 months ago
No, it's actually the secondary node that accepts write operations.
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Essie
11 months ago
I think the primary node accepts write operations.
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Malika
12 months ago
C is the correct answer. I can't believe anyone would think an arbiter or hidden node would accept writes. That's just silly.
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Lovetta
10 months ago
D) secondary is for read operations, not writes.
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Donette
10 months ago
Definitely not A) arbiter or B) hidden.
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Theron
11 months ago
Yeah, it's definitely not the arbiter or hidden node. Those are for different purposes.
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Fernanda
11 months ago
I agree, C is the correct answer. The primary node accepts write operations.
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Marshall
11 months ago
Yeah, you're right. The primary node does accept write operations.
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Rosina
11 months ago
I think the correct answer is C) primary.
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Sylvie
12 months ago
The primary node is the one that accepts write operations, duh!
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Reena
1 year ago
But what about the secondary node? Doesn't it also accept write operations?
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Cammy
1 year ago
I agree with Bettina, the primary node is the one that accepts write operations.
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Bettina
1 year ago
I think the primary node accepts write operations.
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