MongoDB

caassandra was born at?

• facebook

• google

• yahoo

• none

default block size on hdfs?

• 64MB

• 128MB

• 64KB

• 256MB

Which of the following is not a part of Cassandra architecture?

• column

• memtable

• sstable

• cache

MongoDB supports query joins between collections.

• True

• false

Point out the wrong statement :

• Non Relational databases require that schemas be defined before you can add data

• NoSQL databases are built to allow the insertion of data without a predefined schema

• NewSQL databases are built to allow the insertion of data without a predefined schema

• all

CRUD operation in mognodb are______

• create read update drop

• create read update delete

• create read update local

• none

the term nosql was introduced by______

• brewers

• doug cutting

• carlo strozzi

• none

Which of the following is a NoSQL Database Type

• MONGODB

• JSON

• CASSANDRA

• A & C

Which of the following is not a NoSQL database ?

• SQL

• MONGODB

• CASSANDRA

• NONE

here are _________ types of read requests that a coordinator can send to a replica

• 3

• 2

• 4

• 1