This book would not have been possible without the help/hidayah of “ALLAH” almighty.

Syed Mohtasim Ali, was Post-Graduated (M.Tech) in top honors from Jawaharlal Nehru Technological University (JNTU-H), Hyderabad, Telangana, India. He worked in multi-national company as an IT Security engineer and also trained so many system & network engineers.

He also worked on many government related projects and provided his services in setting up servers and networks environments. He hold many IT certifications which he earned by gaining experience while doing job as IT engineer. He trained many professionals by giving his expertise lectures with real-time scenarios on vast topics on computing and education. He has been awarded certificate of participation from NASA on Lunar & Moon orbiter missions.

He has written many blogs and textbooks and helped many small sized companies in setting up their computer network environments.

Mohd. Ali Ahmed, was graduated (B.Sc. B.Ed.) from Maulana Azad National Urdu University (MANUU), Hyderabad, Telangana, India. He has worked in multi-national company as a System Administrator.

He has guided many rural area students by giving valuable career guidance lectures and motivated to join them in professional courses like Polytechnic and Engineering. He is presently serving the state government as Secondary Grade Teacher (SGT).