Point out the correct statement.(a) MongoDB cannot be used as a file system(b) MongoDB can run over single servers only(c) Embedded documents and arrays reduce need for joins(d) None of the mentionedThis question was addressed to me in homework.Enquiry is from Big data and MongoDB in chapter MongoDB and noSQL Concepts of MongoDB

Point out the correct statement.(a) MongoDB cannot be used as a file s

1.	Point out the correct statement.(a) MongoDB cannot be used as a file system(b) MongoDB can run over single servers only(c) Embedded documents and arrays reduce need for joins(d) None of the mentionedThis question was addressed to me in homework.Enquiry is from Big data and MongoDB in chapter MongoDB and noSQL Concepts of MongoDB
Answer» Correct answer is (C) Embedded documents and arrays reduce NEED for joins To explain I would say: MongoDB can run over multiple servers, balancing the load and/or duplicating DATA to keep the system up and RUNNING in CASE of hardware failure.

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