Explanation:For each input document, outputs one document. 3. Which of the following can be used to implement field level redaction ?
A. $skip
B. $limit
C. $match
D. $redact
Answer:A
Explanation:For each input document, outputs one document. 3. Which of the following can be used to implement field level redaction ?
A. $skip B. $limit C. $match D. $redact