MongoDB C100DBA - MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4)
Which of the following is true of the mechanics of replication in MongoDB? Check all that apply.
What is the defau size of a GridFS chunk?
Which mongodb tools allow us to work with our data in a human readable format?
What read preference should your application use if you want to read from the primary under normal circumstances but allow reads from secondaries when a primary is unavailable?
Which of the following is incorrect statement about find and findOne operations in MongoDB?
Update If Correct is an approach for which of the following concepts in MongoDB:
Consider the following document:
> db.c.find()
{ "_id" : 12, b : [ 3, 5, 7, 2, 1, -4, 3, 12 ] }
Which of the following queries on the "c" collection will return only the first five elements of the array in the "b"
field? E.g.,
Document you want returned by your query:
{ "_id" : 12, "b" : [ 3, 5, 7, 2, 1 ] >
What is the maximum size of Index Key Limit and Number of Indexes per collection?
Which of the following needs to be performed prior to initiate backup on a sharded cluster?
