How to set value of "query_cache_size" MYSQL system variable

1.	How to set value of "query_cache_size" MYSQL system variable
A.	SET GLOBAL query_cache_size = 41980;
B.	SET GLOBAL VARIABLE query_cache_size = 41980;
C.	SET VARIABLE GLOBAL query_cache_size = 41980;
D.	None of the above
Answer» B. SET GLOBAL VARIABLE query_cache_size = 41980;

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