MongoDB Error Handling and Troubleshooting Quiz – Intermediate Level

Which of the following commands is useful for analyzing slow MongoDB queries?

If MongoDB operations are taking too long, which action might improve performance?

Which MongoDB command is used to manually clear a collection-level lock if it causes a database operation to hang?

If the oplog in a MongoDB replica set becomes too full, it can cause a rollback during replication. True or False?

If MongoDB runs out of storage, it will automatically delete old data to free up space. True or False?

What type of error does the $or operator typically cause if the query conditions exceed 32 conditions?

Which method can be used to analyze and troubleshoot MongoDB query performance?

Using too many indexes can slow down write operations in MongoDB. True or False?

What is a potential cause of “disk I/O” errors in MongoDB?

In a sharded MongoDB cluster, which error might occur if a query tries to target multiple shards inefficiently?

When troubleshooting connectivity issues, which command verifies if a MongoDB instance is reachable over the network?

Which method can help reduce memory usage issues when handling large datasets in MongoDB?

The validate() command in MongoDB can be used to check for data corruption within a collection. True or False?

If a query repeatedly fails due to memory constraints, which MongoDB configuration might help?

Which command would you use to check the status of MongoDB to ensure it is running correctly?

Using sharding in MongoDB can reduce the likelihood of encountering locking issues. True or False?

When facing latency in a MongoDB replica set, what setting can help minimize data delay between the primary and secondaries?

If a user encounters an “unauthorized” error while accessing a MongoDB database, what is the likely cause?

If a MongoDB server crashes unexpectedly, which log file should you check for errors?

To terminate a long-running operation in MongoDB, which command would you use?