多项选择题 The pop-up blocker is enabled on your computer. A Web site that you visit regularly uses pop-ups. You need to view the pop-ups from this Web site while maintaining the highest level of security for all other Web sites. What are two possible ways to achieve this goal?（）

单项选择题 You run a Windows Defender scan on your computer. You notice a valid program listed in Quarantined Items. You need to use this program on your computer. What should you do?（）

单项选择题 You run Windows Defender on your computer and receive the following warning message: "Windows Defender Definitions haven’t been updated." You need to ensure that Windows Defender definition files are updated. What should you do?（）