Define the Cache in the Http Context F5N2 Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   Which directive defines the cache key that determines whether a request is a cache hit or miss?

   • Aproxy_cache_path
   • Bproxy_cache_methods
   • Cproxy_cache_valid
   • Dproxy_cache_key
   Reveal Solution Discussion Select an answer first
2. 12application · medium

   A company's NGINX cache is serving stale content for authenticated users. The application sets a cookie when a user logs in, and the administrator wants to bypass the cache for any request that contains a session cookie. Which directive should be used to achieve this?

   • Aproxy_cache_key $cookie_sessionid;
   • Bproxy_cache_bypass $http_cookie;
   • Cproxy_cache_bypass $cookie_sessionid;
   • Dproxy_cache_methods GET HEAD;
   Reveal Solution Discussion Select an answer first
4. 13foundation · easy

   In the directive `proxy_cache_path /data/nginx/cache keys_zone=mycache:10m max_size=1g;`, what does the `max_size=1g` parameter control?

   • AThe maximum time a cached response is considered fresh
   • BThe maximum size of a single cached response
   • CThe maximum number of cache keys stored in memory
   • DThe maximum total size of the cache on disk
   Reveal Solution Discussion Select an answer first
5. 14foundation · easy

   What does the directive `proxy_cache_valid 404 5m;` accomplish?

   • ASets the cache key to 404 for 5 minutes
   • BBypasses the cache for 404 responses for 5 minutes
   • CCaches 404 responses for 5 minutes
   • DCaches all responses for 5 minutes
   Reveal Solution Discussion Select an answer first
6. 15expert · hard

   A company runs multiple virtual hosts on a single NGINX instance. They want to use a shared cache across all hosts, but each host serves content that varies by the 'Host' header. The administrator has defined the cache path in the http context. What additional configuration is needed to ensure that responses from different hosts are not mixed in the cache?

   • ASet proxy_cache_key to include $host in each server block.
   • BUse proxy_cache_bypass $host;
   • CSet proxy_cache_valid to a different value in each server block.
   • DDefine a separate proxy_cache_path for each server block.
   Reveal Solution Discussion Select an answer first