Describe NGINX as a Caching Solution F5N1 Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   Which benefit is directly achieved by using NGINX as a caching solution?

   • AAutomatic scaling of backend servers based on traffic.
   • BIncreased security by hiding the backend server's IP address from clients.
   • CGuaranteed consistency of data across all clients.
   • DReduced latency for clients because cached responses are served without contacting the origin server.
   Reveal Solution Discussion Select an answer first
2. 12foundation · easy

   Which method is commonly used to purge cached content in NGINX?

   • ASending a PURGE request to the cache
   • BRestarting the NGINX service
   • CUsing the cache_valid directive
   • DDeleting the cache directory manually
   Reveal Solution Discussion Select an answer first
4. 13application · medium

   A company uses NGINX caching to serve static assets. The cache is stored on a disk with limited space. The team notices that the cache hit ratio is dropping over time. What is the most likely cause?

   • AThe cache is evicting entries due to reaching the max_size limit.
   • BThe cache_valid time is too long, causing stale content.
   • CThe keys_zone is too large, wasting memory.
   • DThe proxy_cache directive is missing from the location.
   Reveal Solution Discussion Select an answer first
5. 14application · medium

   A company runs a high-traffic e-commerce site. The origin servers are struggling under load. The team wants to use NGINX to cache product pages. Which benefit is the primary reason for implementing caching?

   • ACompress responses to reduce bandwidth.
   • BLoad balance traffic across multiple origin servers.
   • CReduce the number of requests that reach the origin servers.
   • DEncrypt traffic between clients and NGINX.
   Reveal Solution Discussion Select an answer first
6. 15application · medium

   A website uses NGINX caching to reduce origin load. The cache hit ratio is low, and many requests are being forwarded to the origin. Which change is most likely to improve the cache hit ratio?

   • ADisable caching for query-string requests.
   • BReduce the keys_zone size to free memory.
   • CIncrease the cache_valid time for responses.
   • DSet proxy_cache off for dynamic locations.
   Reveal Solution Discussion Select an answer first