MCQs
MongoDB is most popular for document stores.
mongodump is a utility for creating a binary export of the contents of a database.
mongodb-enterprise-tools package contains the following MongoDB tools: mongoimport bsondump, mongodump, mongoexport, mongofiles, mongoimport, mongooplog, mongoperf, mongorestore, mongostat, and mongotop.
mongooplog is a simple tool that polls operations from the replication oplog of a remote server.
You can specify alternate log and data file directories in /etc/mongod.conf.
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.
To backup the system.profile collection, which is created when you activate database profiling, you must have additional read access on this collection.
The package structure and names have changed as of version 2.6.
Specify options to mongoperf using a JavaScript document.