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Installing Varnish Cache (Must know)
Varnish Cache server daemon options (Must know)
Connecting to backend servers (Should know)
Load balance requests (Should know)
The Varnish Configuration Language (Should know)
Handling HTTP request vcl_recv (Should know)
Handling HTTP request vcl_hash (Should know)
Handling HTTP request vcl_pipe and vcl_pass (Should know)
Handling HTTP response vcl_fetch (Should know)
Handling HTTP response vcl_deliver (Should know)
Handling HTTP response vcl_error (Should know)
Caching static content (Should know)
Cookies, sessions, and authorization (Become an expert)
HTTP cache headers (Should know)
Invalidating cached content (Should know)