Explanation:Custom read preferences and write concerns evaluate tags sets in different ways. 8. Which of the following code is returned when a MongoDB application cannot open a file ?
A. 45
B. 20
C. 47
D. 100
Answer:A
Explanation:Custom read preferences and write concerns evaluate tags sets in different ways. 8. Which of the following code is returned when a MongoDB application cannot open a file ?
A. 45 B. 20 C. 47 D. 100
Explanation:45 is returned when a MongoDB application cannot open a file or cannot obtain a lock on a file.