Interpret Logs F5N4 Practice Questions (Page 3)

Questions 11–15

1. 11expert · medium

   A user reports that a file upload to /upload fails intermittently. The access log shows a 413 Request Entity Too Large for some requests, but not all. The error log shows no related entries. The administrator needs to determine why only some uploads fail. What should the administrator investigate first?

   • AThe error_log level is set to error, which hides relevant messages.
   • BThe client_max_body_size directive in the http, server, or location context.
   • CThe access log format does not include the request body size.
   • DThe proxy_read_timeout directive for the upload location.
   Reveal Solution Discussion Select an answer first
2. 12application · medium

   An access log entry shows: 10.0.0.5 - - [10/Oct/2024:14:00:00 +0000] "GET /index.html HTTP/1.1" 304 0 "-" "curl/7.68" What does this entry indicate about the request?

   • AThe server returned an empty response because the file was deleted.
   • BThe client requested a file that does not exist.
   • CThe client sent a conditional request and the content was not modified.
   • DThe server redirected the client to a different URL.
   Reveal Solution Discussion Select an answer first
4. 13application · medium

   A web application is returning intermittent 502 errors. The NGINX access log shows the requests reaching the server, but the default error log at /var/log/nginx/error.log has no corresponding entries. The administrator wants to capture more detail about these failures without affecting the access log. What should the administrator do?

   • AChange the error_log directive to log to stderr.
   • BSet the error_log directive to a custom path with the info level.
   • CReload NGINX to force error log rotation.
   • DAdd the $upstream_status variable to the access log format.
   Reveal Solution Discussion Select an answer first
5. 14application · medium

   An administrator is troubleshooting a production NGINX server that is experiencing intermittent upstream failures. The administrator wants to see more detailed error messages without the performance overhead of debug logging. Which error log level should be used?

   • Adebug
   • Bnotice
   • Cinfo
   • Dwarn
   Reveal Solution Discussion Select an answer first
6. 15foundation · easy

   Which access log field, when using the combined format, represents the time taken to process the request?

   • AThe 10th field, which is the response size
   • BThe request time is not included in the combined format
   • CThe 11th field, which is the referer
   • DThe 4th field, which is the timestamp
   Reveal Solution Discussion Select an answer first