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MCQs

Total Questions : 10
Question 1. Administrative information in MongoDB can also be accessed through :
  1.    dashboard
  2.    web interface
  3.    psql shell
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> web interface




Question 2. Point out the wrong statement :
  1.    MongoHub is a native OS-X-application for MongoDB management
  2.    Cassandra is most popular for its document stores management system
  3.    MongoDB is the fourth most popular type of database management system
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> Cassandra is most popular for its document stores management system


MongoDB is most popular for document stores.


Question 3. Which of the following is used for creating a binary export of the contents of a Mongo database ?
  1.    mongodump
  2.    mongofiles
  3.    mongosupport
  4.    mongoimport
 Discuss Question
Answer: Option A. -> mongodump


mongodump is a utility for creating a binary export of the contents of a database.


Question 4. Which of the following is not a part of mongodb-enterprise-tools ?
  1.    mongodump
  2.    mongotop
  3.    mongodown
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> mongodown


mongodb-enterprise-tools package contains the following MongoDB tools: mongoimport bsondump, mongodump, mongoexport, mongofiles, mongoimport, mongooplog, mongoperf, mongorestore, mongostat, and mongotop.


Question 5. Which of the following is simplest tool for installation of MongoDB ?
  1.    mongorestore
  2.    mongooplog
  3.    mongodump
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> mongooplog


mongooplog is a simple tool that polls operations from the replication oplog of a remote server.


Question 6. The MongoDB instance stores its _________ files in /var/lib/mongo by default
  1.    log
  2.    data
  3.    replica
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> data


You can specify alternate log and data file directories in /etc/mongod.conf.


Question 7. ___________ allows you to scale your cluster linearly by adding more machines.
  1.    Vertical sharding
  2.    Autosharding
  3.    Horizontal sharding
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> Autosharding


It is possible to increase capacity without any downtime, which is very important on the web when load can increase suddenly and bringing down the website for extended maintenance can cost your business large amounts of revenue.


Question 8. Point out the wrong statement :
  1.    To backup a given database, you must have read access on the database
  2.    The backup role confers no additional access, in keeping with the policy of least privilege
  3.    mongodumplocal overwrites output files if they exist in the backup data folder
  4.    All of the mentioned
 Discuss Question
Answer: Option C. -> mongodumplocal overwrites output files if they exist in the backup data folder


To backup the system.profile collection, which is created when you activate database profiling, you must have additional read access on this collection.


Question 9. MongoDB only provides Enterprise packages for Ubuntu ________ LTS
  1.    13.04
  2.    12.10
  3.    12.04
  4.    13.10
 Discuss Question
Answer: Option C. -> 12.04


The package structure and names have changed as of version 2.6.


Question 10. Which of the following is a utility to check disk I/O performance independently of MongoDB ?
  1.    mongoperf
  2.    mongoio
  3.    mongod
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> mongoperf


Specify options to mongoperf using a JavaScript document.


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