In the query profiler view for a query, which components represent areas that can be used to help optimize query performance? (Select TWO)

In the query profiler view for a query, which components represent areas that can be used to help optimize query performance? (Select TWO)
A . Bytes scanned
B. Bytes sent over the network
C. Number of partitions scanned
D. Percentage scanned from cache
E. External bytes scanned

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Answer: A,D