What is the equivalent command in MongoDB for the following SQL query?
SELECT * FROM posts WHERE author like "%john%"

• A.db.posts.find( { author: /John/ } )
• B.db.posts.find( { $like: {author: /John/} } )
• C.db.posts.find( { author: {$like: /John/} } )
• D.db.posts.find( { author: /AjohnA/ > )

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Which of the following collections stores authentication credentials in MongoDB?

• A.test.users
• B.system.users
• C.local.users
• D.users.users

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By default, the MongoDB cursor in mongo shell is configured to return how many documents? To get the next set of documents, which command is used?

• A.200, more
• B.50, it
• C.20, it
• D.No limit, none

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Which type of indexes does MongoDB support?

• A.Geospatial Indexes
• B.All of the above
• C.Compound Indexes
• D.Multikey Indexes

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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?

• A.B, C
• B.A, B, C
• C.A
• D.A, B

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