A company is developing a music application based on OSS and ECS, their users can download mp3 files after signing up for the application. Recently, the public network traffic to the OSS has doubled but the increase of registered users is less than 10%. After indepth analysis, system operators find that many download requests are requested from the external search engine. In this case, which of the following measures is thought to be able to address this issue?
Select an option, then click Submit answer.
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Migrate music files from the OSS to the data disks for ECS instances
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Change the website access mode to HTTPS
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Enable “Hotlink protection” of OSS and use an HTTP Referer whitelist to prevent unauthorized users from accessing your data
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Use SLB for extra protection
