a) Capped collections automatically remove the oldest documents in the collection without requiring scripts or explicit remove operations
View QuestionWhich of the following collections work in a way similar to circular buffers?
a) Capped b) Secondary c) Sharded d) All of the mentioned Answer: a Explanation: Once a collection ...
View Question_____ is a command-line tool for monitoring network use.
a) bwm-ng b) bwm-g c) bwm-n d) bwm-ngs Answer: a Explanation: If you suspect a network-based bottleneck, ...
View QuestionThe TCP keepalive on the Azure load balancer is ______ seconds by default.
a) 100 b) 200 c) 240 d) None of the Above Answer: a Explanation: You should set ...
View QuestionWhich of the following is especially important in Sharded Clusters?
a) NSS b) STP c) NTP d) SSD Answer: a Explanation: Use the Network Time Protocol ...
View QuestionWiredTiger can compress collection data using either snappy or zlib compression library.
a) snappy b) zip c) lib d) Kit Answer: a Explanation: snappy provides a lower compression rate ...
View QuestionPoint out the wrong statement.
a) When running MongoDB in production on Linux, it is recommended that you use Linux kernel version 2.6.36 ...
View QuestionMongoDB 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 Answer: b Explanation: MongoDB is compatible ...
View QuestionMongoDB requires a filesystem that supports ______ on directories.
a) fsynconce() b) fsync() c) sync() d) all of the mentioned Answer: b Explanation: HGFS and Virtual ...
View QuestionPoint out the correct statement.
a) With the MMAPv1 storage engine, MongoDB preallocates its database files before using them and often creates large ...
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