Correct Answer : SADD key member1 [member2]
Explanation : SADD key member1 [member2] command is used when you want to add an element to a set.
Correct Answer : EXEC
Explanation : EXEC command in Redis is used to execute a particular command.
Correct Answer : MULTI
Explanation : MULTI command is used to initiate the transaction in Redis.
Correct Answer : QUIT