Explanation:For index builds, the effects of db.killOp() may not be immediate and may occur well after much of the index build operation has completed. 5. Point out the correct statement :
A. After 4.0, you cannot terminate both background index builds and foreground index builds
B. Before MongoDB 2.1, you could only terminate background index builds
C. After 2.4, you can terminate both background index builds and foreground index builds
D. None of the mentioned
Answer:A
Explanation:For index builds, the effects of db.killOp() may not be immediate and may occur well after much of the index build operation has completed. 5. Point out the correct statement :
A. After 4.0, you cannot terminate both background index builds and foreground index builds B. Before MongoDB 2.1, you could only terminate background index builds C. After 2.4, you can terminate both background index builds and foreground index builds D. None of the mentioned
Explanation:You cannot terminate a replicated index build on secondary members of a replica set. 6. In the mongo shell, you can use the ______ method to return a list of the indexes on a collection.