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Free C100DBA Exam Braindumps (page: 3)

Page 3 of 34
PDF with 132 Questions

Aggregation Pipelines have a limit of:

  1. 2 MB document and 100 MB RAM
  2. 16 MB document and 100 MB RAM
  3. No limit on document and 100 MB RAM
  4. 2 MB document and no limit on RAM

Answer(s): B



What is the maximum size of a MongoDB document?

  1. 2 MB
  2. 12 MB
  3. There is no maximum size. It depends on the RAM.
  4. 16 MB

Answer(s): D



If the value of totalKeysExamined is 30000 and the value of totalDocsExamined is 0, which of the following option is correct?

  1. None of the above
  2. The query used an index to fetch the results
  3. The query returned 0 documents
  4. The query returned 30000 documents after scanning the documents

Answer(s): B



Given a collection posts as shown below having a document array comments, which of the following command will create an index on the comment author descending?

  1. db.posts.createIndex({commerits.$.author":-l});
  2. db.posts.createIndex({comments.$.author": {$desc:l>});
  3. db.posts.createIndex({comments.author":-l});

Answer(s): C



Page 3 of 34



Post your Comments and Discuss MongoDB C100DBA exam with other Community members:

Arun commented on July 10, 2024
very usefull
INDIA
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Dowain commented on July 06, 2024
Passing the exam is really made easy with this study package.
Anonymous
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Abby commented on July 06, 2024
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France
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