MongoDB Questions and Answers – Data Management

This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Data Management”.

1. With the WiredTiger storage engine, use of _______ is strongly recommended to avoid performance issues.
a) XFS
b) SSD
c) SST
d) All of the mentioned
View Answer

2. Point out the correct statement.
a) With the MMAPv1 storage engine, MongoDB preallocates its database files before using them and often creates large files
b) zlib provides better compression rate but has a higher performance cost
c) MongoDB includes support for many storage engines
d) All of the mentioned
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3. MongoDB requires a filesystem that supports ______ on directories.
a) fsynconce()
b) fsync()
c) sync()
d) all of the mentioned
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4. MongoDB Cloud Manager provides integration with Amazon Web Services (AWS) and lets you deploy new ______ instances directly from MongoDB Cloud Manager.
a) ECS
b) EC2
c) EC3
d) All of the mentioned
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5. Point out the wrong statement.
a) When running MongoDB in production on Linux, it is recommended that you use Linux kernel version 2.6.36 or later
b) The MongoDB distribution for Solaris include support for the WiredTiger storage engine
c) By default, WiredTiger uses zip compression library
d) None of the mentioned
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6. WiredTiger can compress collection data using either snappy or zlib compression library.
a) snappy
b) zip
c) lib
d) Kit
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7. Which of the following is especially important in Sharded Clusters?
a) NSS
b) STP
c) NTP
d) SSD
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8. The TCP keepalive on the Azure load balancer is ______ seconds by default.
a) 100
b) 200
c) 240
d) None of the mentioned
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9. _____ is a command-line tool for monitoring network use.
a) bwm-ng
b) bwm-g
c) bwm-n
d) bwm-ngs
View Answer

Sanfoundry Global Education & Learning Series – MongoDB.

Here’s the list of Best Books in MongoDB.