MongoDB Test 1

Question 1

What type of database is MongoDB?

Accepted Answer

Document Oriented

Answer

Column Based

Answer

Key Value Pair

Answer

Graph Oriented

Question 2

_____ is the default query document for find().

Accepted Answer

[]

Answer

{null}

Answer

null

Answer

all of the above

Question 3

The command to get a backup of a point-in-time data view is ____.

Accepted Answer

fsync

Answer

mangodump

Answer

sync

Answer

dump

Question 4

MongoDB adds a specific key to each document in a collection called _____ .

Accepted Answer

_id

Answer

_sno

Answer

_key

Answer

_no

Question 5

In a wrapped query, ______ is a useful option that sets the maximum number of documents to verify for a given query.

Accepted Answer

maxscan

Answer

scanmax

Answer

scan

Answer

max

Question 6

______ is the mongo shell command that lists database names.

Accepted Answer

show dbs

Answer

show database

Answer

show db

Answer

none of the above

Question 7

MongoDB's default listening port is _____ .

Accepted Answer

27017

Answer

85

Answer

8080

Answer

443

Question 8

In MongoDB, a collection and a document are identical to which of the SQL concepts?

Accepted Answer

Table and Row

Answer

Database and Table

Answer

Column and Row

Answer

Table and Column

Question 9

In JavaScript, the data structure representation of a document is ____ .

Accepted Answer

Object

Answer

Dictionary

Answer

Hash

Answer

Map