(i) (ii) Knowledge of intelligent network concepts and principles. Knowledge on managing complex networks working with core technologies, optimizing infrastructure and keeping applications secure and performing efficiently. (iii) Knowledge on how to choose, deploy, support and troubleshoot of application for networking environments. (iv) Knowledge on how to deliver a scalable carrier grade infrastructure capable of rapid expansion to support ongoing new managed services offerings and other user requirements. (vii) Robust set of skills in implementing, operating, configuring, and troubleshooting a converged IP network. (viii) Knowledge on how to manage the quality of services (QoS), gateways, gatekeepers, IP phones, voice applications and utilities. (ix) Knowledge on assessing and translating network business requirements into technical specifications resulting in successful installations. (iii) (x) Knowledge on expandable storage for data backup to meet future requirement. Knowledge on setting up of disaster recovery and data backup sites with automated replication of critical data. (xi) Identifying ways and means to effectively implement quick data retrieval optimized with the application speed, network speed and server traffic.