MongoDB Error Handling and Troubleshooting Quiz – Intermediate Level

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

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

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

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

What should you verify if you encounter a "connection refused" error when trying to connect to MongoDB?

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

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

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

Which of the following is a common cause of "lock timeout" errors in MongoDB?

What is the default port MongoDB uses, which you should check if experiencing connection issues?

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

MongoDB automatically retries failed write operations due to transient network issues if retryable writes are enabled. True or False?

Which command can be used to view recent warnings and errors in MongoDB?

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

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

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

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

If you encounter a “not master” error while performing a write operation, what is the most likely cause?

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

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