MongoDB Certified DBA Associate Practice Test
Gana confianza para MongoDB Certified DBA Associate. Practica los conceptos, comprende las respuestas y refuerza tus conocimientos pregunta a pregunta.
Probar una preguntaDescripción y detalles del examen
MongoDB DBA certification covering replica sets, sharding, security, backup and recovery, monitoring, and MongoDB cluster administration. Administered by MongoDB. Key domains include Backup, Recovery, and Disaster Recovery Planning, Data Modeling and Schema Design, Database Architecture and Deployment and Monitoring and Backup Operations.
Preguntas de Muestra
Elige una respuesta y consulta la explicación para ver cómo funciona la práctica.
A MongoDB deployment requires encrypted client-to-server network traffic. Which setting family is directly relevant?
A MongoDB 8.0 cluster adds new shards, but an existing collection remains uneven even with the same shard key. Which operation is relevant in 8.0 when redistribution is needed without changing the shard key?
A DBA wants to reduce the chance of losing acknowledged writes during primary failure. Which write concern should be preferred for critical writes?
A collection is sharded on an ascending timestamp and receives only current-time inserts. One shard receives nearly all new writes. What is the most likely design problem?
A reporting application needs to subscribe to committed data changes from a MongoDB deployment without manually tailing local.oplog.rs. Which MongoDB feature is intended for this pattern?
Oportunidades profesionales y salario
Los rangos son cifras del mercado de EE. UU. salvo que se muestre un rango local.