Question

Point out the correct statement.

(a) The mongostat diagnostic tool, when running with the –mode need to be able to reach all components of a cluster

(b) All shards in a cluster need to be able to communicate with all other shards to facilitate chunk and balancing operations

(c) Authorization does not control or affect access to this interface

(d) None of the mentioned

The question was asked in an online quiz.

Origin of the question is Security and MongoDB API Interfaces in division Production Checklist, Security Concepts and Network Security of MongoDB

Answer 1

The correct choice is (b) All shards in a cluster need to be able to communicate with all other shards to facilitate chunk and balancing operations

The explanation is: You can also specify the shard server option with the shardsvr value for the clusterRole setting in the configuration file. Shard members are also often conventional replica sets using the default port.