QUESTION: 17

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

$set
$update
$project
$modify

Answer(s): A

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QUESTION: 18

What is the first task that a secondary would perform on being prompted by another secondary for an election?

Start the election process for primary
Vote for the first secondary so that it would become the next primary
Vote for itself and then call for election
Connect to primary to confirm its availability

Answer(s): D

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Which of the documents below will be retrieved by the following query? Assume the documents are stored in a collection called "sample". Check all that apply.

db.sample.find( { "$or" : [ { "a" : { "$in" : [ 3, 10] > }, { "b" : { "$lt" : 2 > > ] > )

{''__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}
{".Jd" :: 1, "a": 0, "c" :: 0, "b": 2}
{".Jd" :: 5, "a": 3, "c" :: 0, "b": 12}
{".Jd" :: 8, "a": 11, "c": 1, "b": 0}

Answer(s): D,E,F,I,J

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QUESTION: 20

JSON stands for

JavaScript Object Notation
JavaScript Object Naming
JavaScript Object Notice
None of the above

Answer(s): A

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Free C100DBA Exam Braindumps (page: 6)

QUESTION: 17

QUESTION: 18

QUESTION: 19

QUESTION: 20

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