$1.$ Explain types of topology in networking. What are some of the new network trends?Explain in detail.

Whats the significance of network components$-$hub, repeater, router, switch.

Explain reliable network & network security concepts.

Write $10$ significant commands related to networking we studied: like$-$ to set the hostname, to encrypt the passwords, to enable config mode etc. Write any $10$ commands.

Highlight the difference between windows & Linux operating systems. Also explain the significant system utilities in both.