- Interview Questions and Answers for 'Application support' | Search Interview Question

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

Q1. What is Nagios ?

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 ?

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 ?

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?

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 Yes , sometime we receive issues related to outdated pages being rendered to the user.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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