MongoDB

MongoDB

Data Management has 10 Questions

With the WiredTiger storage engine, use of _______ is strongly recommended to avoid performance issues

XFS
SSD
SST
All of the mentioned
Point out the correct statement :

With the MMAPv1 storage engine, MongoDB preallocates its database files before using them and often creates large files
zlib provides better compression rate but has a higher performance cost
MongoDB includes support for many storage engines
All of the mentioned
MongoDB requires a filesystem that supports ______ on directories.

fsynconce()
fsync()
sync()
All of the mentioned
MongoDB Cloud Manager provides integration with Amazon Web Services (AWS) and lets you deploy new ______ instances directly from MongoDB Cloud Manager.

ECS
EC2
EC3
All of the mentioned
Point out the wrong statement :

When running MongoDB in production on Linux, it is recommended that you use Linux kernel version 2.6.36 or later
The MongoDB distribution for Solaris include support for the WiredTiger storage engine
By default, WiredTiger uses zip compression library
None of the mentioned
WiredTiger can compress collection data using either snappy or zlib compression library.

snappy
zip
lib
Kit
The TCP keepalive on the Azure load balancer is ______ seconds by default.

100
200
240
None of the mentioned
Which of the following is especially important in Sharded Clusters ?

NSS
STP
NTP
SSD
On Linux, use the ______ command to check if disk I/O is a bottleneck for your database.

stat
iostats
iostat
None of the mentioned
____ is a command-line tool for monitoring network use.

bwm-ng
bwm-g
bwm-n
bwm-ngs