（多选题）
Your application demands frequent connection and disconnection from the database. You have three listener processes that are listening for the database PROD. While setting up the connect string using Oracle Enterprise Manager 10g Database Control， which two options would you select to balance the connection load across all the listener processes？（）
AUse only the first address.
BTry one address，selected at random.
CTry each address，in order，until one succeeds.
DTry each address，randomly，until one succeeds.
正确答案
答案解析
略
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