Free Access MongoDB.C100DBA.v2022-02-21.q41 Practice Test (Page 3)

Question 6

The________operator can be used to identify an element in the array to be updated without explicitly specifying the position of the element.

A.$slice

B.$ elemMatch

C.Updating an array field without knowing its index is not possible.

D.$

Question 7

'mongoimport' command is used for

A.None of the above

B.Multiple command insertion

C.Batch data insertion

D.Multiple command import

Question 8

In which of the following scenarios is sharding not the correct option. Select all that apply.

A.The working set in the collection is expected to grow very large in size

B.The collection is a read intensive collection with less working set

C.The write operations on the collection are low

D.The write operations on the collection are very high

Question 9

Which of the following operators is used to updated a document partially?

A.$set

B.$modify

C.$project

D.$update

Question 10

What is the maximum size of a MongoDB document

A.2 MB

B.There is no maximum size. It depends on the RAM.

C.12 MB

D.16 MB

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