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    How much do you know about Web Infrastructure: Hosting and Domains?

    What does a Wildcard SSL certificate do?

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    Protect all domains in the world.
    Protects the main domain and all its top-level subdomains (ex: *.tuweb.com).Correct
    It is a free certificate forever.
    It only works on mobiles.

    It is very useful if you have many subdomains such as store, blog, forum, etc.

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