C100DBA Practice Online

Question 1

You have a replicated cluster with 1 primary, 3 secondary, 1 arbiter. One of the secondary is hidden. What is the replication factor of this replicated cluster?

A : 7

B : 03

C : 04

D : 06

Answer: C

Question 2

Which option can be used with update command so that a new document gets created if no matching document is found based on the query condition?

A : upsert command instead of update command

B : This has to be handled in application code (Node.js, PHP, JAVA, C#, etc.) and cannot be handled in mongo shell query

C : {update: true, insert: true} as the third parameter of update command

D : Specify {upsert : true } as the third parameter of update command

Answer: D

Question 3

Below is a sample document of 'orders' collection

Other-Image-2821600ab-2cee-4cd9-a321-aa3202108fcf

A : $project

Answer: A

Question 4

Which option can be used with update command so that a new document gets created if no matching document is found based on the query condition?

A : upsert command instead of update command

B : {update: true, insert: true} as the third parameter of update command

C : This has to be handled in application code (Node.js, PHP, JAVA, C#, etc.) and cannot be handled in mongo shell query

D : Specify {upsert : true } as the third parameter of update command

Answer: D

Question 5

By default, the MongoDB cursor in mongo shell is configured to return how many documents? To get the next set of documents, which command is used?

A : 200, more

B : No limit, none

C : 20, it

D : 50, it

Answer: C

Name:	MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4)
Exam Code:	C100DBA
Certification:	MongoDB Certified DBA Associate
Vendor:	MongoDB
Total Questions:	134
Last Updated:	May 08, 2024

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