Free C100DBA Exam Braindumps (page: 14)

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What is the use of mongodump and mongorestore tools?

  1. backup mongodb deployment
  2. audit mongodb deployment
  3. performance tune mongodb deployment
  4. replicate mongodb deployments

Answer(s): A



Which of the following are common uses of the mongo shell? Check all that apply

  1. Perform queries against MongoDB collections
  2. Perform administrative tasks
  3. Use as a JavaScript framework for your production system

Answer(s): A,B



When should we consider representing a one-to-many relationship in an embedded collection instead of separate collection?

  1. When the many is not very large
  2. When the many is very large
  3. Always
  4. Never

Answer(s): A



Which of the following command is used to get all the indexes on a collection?

  1. db.collection.showIndexes()
  2. db.collection.findlndexes()
  3. db.showIndexes()
  4. db.collection.getlndexesQ

Answer(s): D






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