Explanation:A background thread in mongod reads the values in the index and removes expired documents from the collection. 4. The background task that removes expired documents runs every ________ seconds.
A. 15
B. 45
C. 60
D. 120
Answer:A
Explanation:A background thread in mongod reads the values in the index and removes expired documents from the collection. 4. The background task that removes expired documents runs every ________ seconds.
A. 15 B. 45 C. 60 D. 120
Explanation:As a result, documents may remain in a collection during the period between the expiration of the document and the running of the background task. 5. Point out the wrong statement :