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Administration of desktop and Server platform
Install, configure, maintain and support of software.
Hardware and network devices like printers, routers, switches, firewalls
Software deployment, security updates and patches
LAN, WAN, Network Security and Monitoring
Troubleshooting
Well its complicated and depends on the requirement of job... however be prepared to discuss key IT Systems technologies like network infrastructure, applications, security, network infrastructure, disaster recovery, redundancy & load balancing, MS AD and Linux, and especially configuration management etc. Be prepared to answer critical questions like your biggest weakness, mistakes you committed on other jobs, what qualifies you for the job, and why should they hire you etc.
