C100DBA Exam Question 1

Which of the following about Capped Collections is correct?
  • C100DBA Exam Question 2

    Which of the following operator can be used to limit the number of documents in an array field of a document after an update is performed?
  • C100DBA Exam Question 3

    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?
  • C100DBA Exam Question 4

    Which features of relational database management systems were deliberately omitted in MongoDB and help us to obtain horizontal scalability? Check all that apply.
  • C100DBA Exam Question 5

    What does the totalKeysExamined field returned by the explain method indicate?