MongoDB C100DBA

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• Canada: 64000 CAD
• Mexico: 62000 MXN
• South Africa: 62000 ZAR
• Germany: 62000 EUR
• United States: $64,600
• United Kingdom: 62000 GBP
• India: 72000 INR

Certification Cost of MongoDB C100DBA Exam

The exam cost of the MongoDB C100DBA Exam is $150 USD

Reference: https://learn.mongodb.com/pages/mongodb-associate-database-administrator-exam

What is the number of questions for the MongoDB C100DBA Exam

The number of questions is 60 multiple-choice questions.

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MongoDB C100DBA Exam Syllabus Topics:

MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) Sample Questions:

Question #1
You perform the following query on the sayings collection, which has the index
{ quote : " text " }:
Assuming the documents below are in the collection, which ones will the following query return? Check all that apply.
db.sayings.find( { $text : { $search : " fact find " } } )

A. { _id : 2, quote : " Find out if that fact is correct. " }
B. { _id : 1, quote : " That ' s a fact, Jack. " }
C. { _id : 3, quote : " Nobody will ever catch me. " }

Question #2
Which of the following command inside aggregate command is used in MongoDB aggregation to filter the documents to pass only the documents that match the specified condition(s) to the next pipeline stage.

A. $match
B. $group
C. $sum
D. $aggregate

Question #3
What command set removes node-1.cluster1.mycompany.local:27017 and node-2.cluster1.mycompany.local:
27017 from the replica set, then adds node-1.cluster1.mycompany.local:27017 back to the replica set?

A. rs.remove( " node-1.cluster1.mycompany.local:27017 " )rs.remove( " node-2.cluster1.mycompany.local:
27017 " )rs.addNode({ host: " node-1.cluster1.mycompany.local:27017 " })
B. rs.removeNode( " node-1.cluster1.mycompany.local:27017 " )rs.removeNode( " node-2.cluster1.
mycompany.local:27017 " )rs.addNode({ host: " node-1.cluster1.mycompany.local:27017 " })
C. rs.removeNode( " node-1.cluster1.mycompany.local:27017 " )rs.removeNode( " node-2.cluster1.
mycompany.local:27017 " )rs.add({ host: " node-1.cluster1.mycompany.local:27017 " })
D. rs.remove( " node-1.cluster1.mycompany.local:27017 " )rs.remove( " node-2.cluster1.mycompany.local:
27017 " )rs.add({ host: " node-1.cluster1.mycompany.local:27017 " })

Question #4
The difference between $push and $addToSet is:

A. $addToSet adds the item to the field only if it does not exist already; while $push pushes the item to the field irrespective of whether it was present or not
B. $addToSet needs the fields to be already present while $push will work even if the field is not present
C. There is no major difference between them. $addToSet is a deprecated version of $push.
D. $addToSet adds the item to the field only if the new item is of the same datatype

Question #5
You have designed a web application with mongoDB. You have configured replication. The replica set is in place and function properly. What happens in case of failure?

A. Switchover needs to be done manually
B. Failover needs to be done manually
C. Switchover happens automatically
D. Failover happens automatically

Solutions: