Explanation:For the update and delete operations, you can specify the criteria to select the documents to update or remove. 7. Which of the following preference determines how the client direct read operations to the set ?
A. read
B. write
C. update
D. delete
Answer:A
Explanation:For the update and delete operations, you can specify the criteria to select the documents to update or remove. 7. Which of the following preference determines how the client direct read operations to the set ?
A. read B. write C. update D. delete
Explanation:For replica sets and sharded clusters with replica set components, applications specify read preferences. 8. Applications can also control the behavior of write operations using _______ concern.