QUESTION NO: 1
What is the equivalent command in MongoDB for the following SQL query?
SELECT * FROM posts WHERE author like "%john%"
What is the equivalent command in MongoDB for the following SQL query?
SELECT * FROM posts WHERE author like "%john%"
Correct Answer: C
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QUESTION NO: 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?
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?
Correct Answer: D
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QUESTION NO: 3
Which of the following does MongoDB use to provide High Scalability?
Which of the following does MongoDB use to provide High Scalability?
Correct Answer: D
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QUESTION NO: 4
You have a replicated cluster with 1 primary, 3 secondary, 1 arbiter. One of the secondary is hidden. What is the replication factor of this replicated cluster?
You have a replicated cluster with 1 primary, 3 secondary, 1 arbiter. One of the secondary is hidden. What is the replication factor of this replicated cluster?
Correct Answer: C
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QUESTION NO: 5
Which of the following collections stores authentication credentials in MongoDB?
Which of the following collections stores authentication credentials in MongoDB?
Correct Answer: B
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QUESTION NO: 6
Using an arbiter allows one to easily ensure an odd number of voters in replica sets. Why is this important?
Using an arbiter allows one to easily ensure an odd number of voters in replica sets. Why is this important?
Correct Answer: B
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QUESTION NO: 7
Which command is used to determine storage capacity of specific database?
Which command is used to determine storage capacity of specific database?
Correct Answer: C
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