Articles by Kumar Rajnish

Kumar Rajnish is a certified IT trainer with over 10 years of cross cultural experience spanning network administration to corporate training. He holds multiple certifications including CCNP, CCNA, MCSA, MCITP, CEH, and VMware VCA. His expertise covers LAN and WAN networking, Linux and Windows server administration, Cisco router and switch configuration, and security patch management. Kumar delivers hands on training for certifications including CCNA, CCNP, MCTS, RHCE, and CEH, combining practical technical knowledge with effective teaching to prepare professionals for real world IT environments.