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- Interview Questions and Answers for 'Application support' - 4 question(s) found - Order By Newest

 Q1. What is Nagios ?
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Ans. Nagios is open source system , network and infrastructure monitoring software application. It alerts the user if anything goes wrong. Nagios is widely used as monitoring tool for enterprise applications.

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   Like         Discuss         Correct / Improve     production support   application support   nagios   system monitoring


  Q2. Explain Application / Server architecture being used in your project ?

or

Explain your project architecture ?
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Ans. We are using cluster of Web servers and Application servers. Load Balancer is used to manage the load between them. Down the layer we have middleware server and then DB server to access database.

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   Like         Discuss         Correct / Improve     architecture   production support   java   servers   application support     Asked in 7 Companies        frequent


 Q3. How do you monitor the server resources if inadvertently high traffic is reported ?
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Ans. We use SAR command for that purpose. We also have GUI system monitoring tool to keep real time check of requests, load and memory usage.

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   Like         Discuss         Correct / Improve     server monitoring   production support   servers   website traffic   system monitoring   sar   application support


 Q4. Have you ever faced any problem due to caching?
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info@buggybread.com
Ans. Yes , sometime we receive issues related to outdated pages being rendered to the user. In those cases we clear the cache and then try to investigate the reason for that. Sometime the issue is due to comparatively high refresh interval. In those cases we reduce the cache refresh interval.

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   Like         Discuss         Correct / Improve     caching   cache   java   web applications   production support   application support



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