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Mongodb Questions Set 1:

Quiz Mode

By default, GridFS limits chunk size to _____ kB.

225

255

256

None of the above

Solution:

The MongoDB process listens on port _____ by default.

27017

27170

27071

None of the above

Solution:

What is the interactive shell for MongoDB called?

mongo

mongodb

dbmong

none of the mentioned

Solution:

In MongoDB, all documents are stored in _____________

tables

collections

rows

all of the mentioned

Solution:

Which authentication method is used by default in MongoDB?

SCRAM-SHA-1

LDAP

MONGODB-CR

None of the mentioned

Solution:

“Sharding” a database across many server instances can be achieved with _______________

LAN

MAN

SAN

All of the mentioned

Solution:

The GridFS index allows efficient retrieval of chunks using the files_id and n values.

chunks

files

bson

none of the above

Solution:

All databases have a unique readers-writer lock that allows multiple clients to modify documents in different collections at the same time.

writer

readers

readers-writer

all of the mentioned

Solution:

Which of the following statements about MongoDB indexes is incorrect?

CRUD stands for create, read, update, and delete

None of the above

Indexes cannot enforce uniqueness in collections

CRUD application is the most simple application

Solution:

Which statement about regular expression pattern matching is correct?

$regex is used for regular expression pattern matches

$like is used for regular expression pattern matches

$reg is used for regular expression pattern matches

None of the above

Mongodb Questions Set 1:

By default, GridFS limits chunk size to _____ kB.

Solution:

The MongoDB process listens on port _____ by default.

Solution:

What is the interactive shell for MongoDB called?

Solution:

In MongoDB, all documents are stored in _____________

Solution:

Which authentication method is used by default in MongoDB?

Solution:

“Sharding” a database across many server instances can be achieved with _______________

Solution:

The GridFS index allows efficient retrieval of chunks using the files_id and n values.

Solution:

All databases have a unique readers-writer lock that allows multiple clients to modify documents in different collections at the same time.

Solution:

Which of the following statements about MongoDB indexes is incorrect?

Solution:

Which statement about regular expression pattern matching is correct?

Solution:

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