Explain What Is Unique to NGINX as a Cache Server F5N2 Practice Questions (Page 1)

Questions 1–5

1. 1expert · medium

   A company uses NGINX caching for a public API. They want to cache responses for unauthenticated requests, but bypass caching for requests that include an Authorization header. They also want to ensure that responses to authenticated requests are not stored. What is the most efficient configuration?

   • ASet proxy_cache_valid 200 0 for requests with Authorization.
   • BDisable caching for all requests by setting proxy_cache off.
   • CSet proxy_cache_bypass $http_authorization and proxy_no_cache $http_authorization.
   • DSet proxy_cache_key to include the Authorization header value.
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2. 2foundation · easy

   What is the primary benefit of using a larger `keys_zone` in `proxy_cache_path`?

   • AIt allows more cache keys to be stored in memory, reducing disk lookups
   • BIt increases the maximum size of cached response bodies
   • CIt reduces the amount of disk space used by the cache
   • DIt speeds up the transfer of cached data to clients
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4. 3foundation · easy

   Which directive can be used to define conditions under which NGINX should NOT cache a response?

   • Aproxy_cache_bypass
   • Bproxy_cache_key
   • Cproxy_no_cache
   • Dproxy_cache_valid
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5. 4application · medium

   A company is choosing between NGINX and a traditional web cache like Squid for their reverse proxy caching needs. They require deep integration with load balancing and SSL termination. What is a key reason to choose NGINX?

   • ANGINX provides built-in load balancing and SSL termination in the same process as caching.
   • BNGINX can cache content in memory only, avoiding disk I/O.
   • CNGINX automatically synchronizes cache across multiple servers.
   • DNGINX uses a threaded model that is more efficient for SSL termination.
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6. 5application · medium

   A company uses NGINX caching for a REST API. The origin server sends responses with Cache-Control: no-cache for some endpoints, meaning the response can be stored but must be revalidated before use. How does NGINX handle these responses by default?

   • ANGINX does not store the response at all.
   • BNGINX serves the cached response without revalidation until the cache expires.
   • CNGINX stores the response and revalidates it with the origin on each request using conditional headers.
   • DNGINX ignores the Cache-Control header and caches the response indefinitely.
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