Explanation:With stronger write concerns, clients wait after sending a write operation for MongoDB to confirm the write operations. 4. The mongo shell and the MongoDB drivers use __________ as the default write concern.
A. Nacknowledged
B. Acknowledgement
C. Acknowledged
D. All of the mentioned
Answer:A
Explanation:With stronger write concerns, clients wait after sending a write operation for MongoDB to confirm the write operations. 4. The mongo shell and the MongoDB drivers use __________ as the default write concern.
A. Nacknowledged B. Acknowledgement C. Acknowledged D. All of the mentioned
Explanation:MongoDB allows clients to read documents inserted or modified before it commits these modifications to disk, regardless of write concern level or journaling configuration. 5. Point out the wrong statement :