This set of MongoDB online quiz focuses on “Sharded Cluster Data Management – 2”. 1. _______ enables the balancer and waits for balancing to start. a) sh.waitForBalancer() b) sh.startBalancer() c) sh.waitForDLock() d) all of the mentioned 2. Point out the correct statement. a) sh.deadForDLock() waits for a specified distributed sharded cluster lock b) sh.waitForBalancerOff() waits … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Shared Cluster Data Management – 1”. 1. _______ runs a database command against the admin database of a mongos instance. a) sh._checkFullName() b) sh._adminCommand() c) sh.getBalancerLockDetails() d) all of the mentioned 2. Point out the correct statement. a) The unique constraint on indexes … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Troubleshooting Sharded Cluster”. 1. The preferred way to clear the _________ flag from a chunk is to attempt to split the chunk. a) boolean b) jumbo c) change d) all of the mentioned 2. Point out the correct statement. a) In some instances, … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Sharded Cluster Maintenance”. 1. Split empty chunks in your collection by manually performing the ______ command on chunks. a) distrbute b) split c) change d) all of the mentioned 2. Point out the correct statement. a) Pre-splitting the chunk ranges in an empty … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Cluster Deployment”. 1. The ________ collection stores a document for each change to the metadata of a sharded collection. a) version b) changelog c) settings d) all of the mentioned 2. Point out the correct statement. a) The local database supports sharded cluster … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Sharding Mechanics”. 1. The _________ process is responsible for redistributing the chunks of a sharded collection evenly among the shards for every sharded collection. a) Balancer b) Sharder c) Replicator d) All of the mentioned 2. Point out the correct statement. a) Splitting … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Sharded Cluster Behavior”. 1. When a chunk grows beyond the chunk size, MongoDB attempts to split the chunk into smaller chunks, always based on ranges in the _____________ a) replica set b) shard key c) tag sets d) all of the mentioned 2. … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Cluster Architectures”. 1. MongoDB allows administrators to direct the balancing policy using ______ aware sharding. a) tag b) replica c) rack d) all of the mentioned 2. Point out the correct statement. a) Use sharded clusters if your data set approaches or exceeds … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Sharding Concepts”. 1. A sharded cluster can contain __________ query router to divide the client request load. a) 1 b) 0 c) more than 1 d) all of the mentioned 2. Point out the correct statement. a) MongoDB distributes data, or shards, at … Read more
This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Sharding Introduction”. 1. MongoDB uses _________ to support deployments with very large data sets and high throughput operations. a) sharding b) replication c) replica sets d) all of the mentioned 2. Point out the correct statement. a) High query rates can exhaust the … Read more
