Free C100DBA Exam Braindumps (page: 15)

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If you have created a compound index on (A,B, C) which of the following access pattern will not be able to utilize the index?

  1. A, B, C
  2. A
  3. B, C
  4. A, B

Answer(s): C



Mongodb does provide high availability via which option?

  1. Replication
  2. Indexing
  3. Sharding
  4. Journaling

Answer(s): A



You are in a sharded cluster. What will you do prior to initiating backup in sharded cluster?

  1. db.stopBalancer()
  2. db.stopserver()
  3. sh.stopBalancer()
  4. sh.stopserverQ

Answer(s): C



You are comparing values of different BSON types in mongodb. You want to compare from lowest to highest. Which comparison order is used?

  1. MinKey, Null, Numbers,Symbol, String,Object,Array,BinData
  2. MinKey, Null, Numbers,Object,Array,BinData,Symbol, String
  3. Object/Array^inData/Symbol,MinKey, Null, Numbers,String
  4. Objec^Array^inData,Symbol, String,MinKey, Null, Numbers

Answer(s): A






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