（单选题）
You have a domain that was created and configured with WebLogic 10.3.5. You want to upgrade the domain to use WebLogic 12c. Which Oracle tool must you use to upgrade your domain?（）
AOracle WebLogic Domain Upgrade tool
BSmart Update
CSmart Upgrade
DNo tool required, just install WebLogic 12c, update the domain to point to the new WebLogic installation and start your domain.
EJDeveloper
正确答案
答案解析
略
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