Describe the Difference Between a Reload and a Stop/start F5N4 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   What is the immediate effect of sending a stop signal to the NGINX master process?

   • AAll NGINX processes are terminated immediately, causing a service interruption.
   • BThe master process stops, and worker processes continue serving requests.
   • CWorker processes are gracefully drained before termination.
   • DThe master process restarts automatically with the same configuration.
   Reveal Solution Discussion Select an answer first
2. 2application · medium

   A security patch requires replacing the NGINX binary. The admin runs `nginx -s stop` followed by starting the new binary. What is the expected impact on clients during this operation?

   • AOnly idle worker processes are terminated; active connections continue until they complete.
   • BThe master process exits immediately, terminating all workers and dropping active connections.
   • CActive connections are gracefully drained before the process exits, causing no interruption.
   • DThe master process reloads the new binary without dropping any connections.
   Reveal Solution Discussion Select an answer first
4. 3application · medium

   An admin suspects a memory leak in NGINX workers that has degraded performance over several weeks. They want to restore a clean state. What is the most appropriate action?

   • ARun `nginx -s quit` and then start NGINX.
   • BRun `nginx -s stop` and then start NGINX.
   • CRun `nginx -t` to check for config errors.
   • DRun `nginx -s reload` to reset the worker processes.
   Reveal Solution Discussion Select an answer first
5. 4expert · hard

   An admin is running a reload and notices that the new worker processes are not starting. The old workers are still running. What is the most likely cause?

   • AThe new config has a syntax error, causing the reload to fail.
   • BThe old workers are blocking the new ones from starting.
   • CThe master process is out of memory.
   • DThe `worker_processes` directive is set to 0.
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   After a stop/start sequence, what does the start command do?

   • AIt only restarts the worker processes, keeping the existing master.
   • BIt re-reads the configuration without changing the running processes.
   • CIt resumes the previous master process from where it left off.
   • DIt launches a fresh master process and new worker processes.
   Reveal Solution Discussion Select an answer first