C100DBA Exam Dumps - MongoDB Certified DBA Associate Questions and Answers

mongodump

mongostat

mongoimport

mongoexport

db.stopBalancer( )

sh.stopServer( )

db.stopServer( )

sh.stopBalancer( )

{''__id" :3, "a": 4, "c" :0, "b" :14}

{''_Jd" :7, "a": 8, "c" :1, "b" :7}

{".Jd" :6, "a": 1, "c" :1, "b" :5}

{ ''\Jd" :9, "a": 17, "c": 1, "b": 1}

{ \Jd" :10,"a": 3, "c": 1, "b": 1}

{".Jd" :: 2, "a": 2, "c" :: 0, "b": 1}

{".Jd" :: 4, "a": 5, "c" :: 0, "b": 17}

Skip and limit nullify each other. Hence returning the first five documents.

Skips the first five documents and returns the next five

Limits the first five documents and then return them in reverse order

Skips the first five documents and returns the sixth document five times

mongorestore

mongostat

mongodump

mongotop

mapReduce

group

aggregate

All of the above

None of the above

Object-oriented DBMS

Relational DBMS

Document-oriented DBMS

Code block

Name/value pair

Key

None of the above

Returns the complete document but retrieves only the size field from the array

Returns the document but with only one element in the variations array (corresponding to size L)

Returns the complete document since MongoDB does not support partial array retrieval

Returns the complete document but retrieves only the size field from the array and also with only one element in the variations array (corresponding to size L)