Exam style questions across every C100DBA domain
Last Update 2 days ago
Total Questions : 172
Start with our free C100DBA practice questions, carefully crafted to mirror the domains, phrasing, and difficulty of the real MongoDB Certified DBA Associate exam. Each C100DBA exam question comes with a detailed rationale that explains not just which answer is correct but why the others fall short. That's how concepts stick. Use the free set to benchmark yourself: identify your MongoDB weak domains, see where you're losing marks, and build a focused study plan in minutes.
What is the first task that a secondary would perform on being prompted by another secondary for an election?
A collection and a document in MongoDB is equivalent to which of the SQL concepts respectively?
Consider the following example document:
{
" _id " : Objectld( " 5360c0a0a655a60674680bbe " ),
" user "
" login " : " irOn "
" description " : " Made of steel "
" date " : ISODate( " 2014-04-30T09:16:45.836Z " ),
}
>
and index creation command:
db.users.createlndex( { " user.login " : 1, " user.date " : -1 }, " mylndex " )
When performing the following query:
db.users.find( { " user.login " : /Air.*/ },
{ " user " :1, " _id " :0 > ).sort( { " user.date " :1 > )
which of the following statements correctly describe how MongoDB will handle the query? Check all that apply.
We can insert multiple documents in bulk using which of the following operations:
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 " } } )
Which option should be used to update all the documents with the specified condition in the MongoDB query?
A database administrator notices that operations on the qa database are not completing, and have been in progress for longer than expected.
What command can the administrator run to see information on in-progress operations on the qa database?
Update If Correct is an approach for which of the following concepts in MongoDB:
What operation updates the value of the unitsInStock field to 25 for a document with a " laptop " product, and inserts a new document if it does not exist?
