MongoDB Objective Questions

MongoDB Multiple Choice Questions on “CRUD Concepts”. 1. A query may include a ___________ that specifies the fields from the […]

MongoDB Test on “MongoDB Documents”. 1. Which of the following data structures are documents in MongoDB? a) All database records

MongoDB Multiple Choice Questions on “Database Profiler”. 1. Which of the following information is captured by database profiler? a) Read

MongoDB Multiple Choice Questions on “Aggregation Mechanics”. 1. Which of the following stages cannot appear multiple times in a pipeline?

MongoDB Multiple Choice Questions on “Indexing Strategies”. 1. _________ operations that use an index often have better performance than those

MongoDB Multiple Choice Questions on “Sharded Cluster Behavior”. 1. When a chunk grows beyond the chunk size, MongoDB attempts to

MongoDB Multiple Choice Questions on “Read Operations”. 1. The order of documents returned by a query is not defined unless

MongoDB Multiple Choice Questions on “MongoDB Administration”. 1. To get a correct snapshot of a running mongod process, you must

MongoDB Multiple Choice Questions on “Exit Codes and Statuses”. 1. Which of the following code is used for the successful

MongoDB Multiple Choice Questions on “Pipeline Optimization”. 1. ______ expressions ignores the duplicate entries in each input array and the

MongoDB Multiple Choice Questions on “Indexing Methods”. 1. __________ query calculates distances using flat (planar) geometry. a) $center b) $centre

MongoDB Multiple Choice Questions on “Sharding Mechanics”. 1. The _________ process is responsible for redistributing the chunks of a sharded

MongoDB Inteview Questions and Answers for freshers on “Read Operations”. 1. Which of the following flag can be set by

MongoDB Multiple Choice Questions on “Operational Strategies”. 1. On Linux the ______ manager can create a snapshot. a) LVM b)

MongoDB Multiple Choice Questions on “Authentication”. 1. Which of the following method is used for managing user? a) db.createUser() b)