Networking engineering involves designing, implementing, and managing networks to ensure reliable communication and efficient data transmission across devices and systems.
TCP/IP Addressing
What’s the purpose of a router and a switch, and why do we need them?
Router and Switch CLI (Learn CLI from Zero to Hero).
Setup basic CLI including hostname, passwords, username, history size, banner, and encrypting passwords.
Setting direct and remote (Telnet, SSH) connections to a router and switch.
Configuring IP address, description, duplex, and speed for interfaces.
Backup/restore the router and switch using a TFTP server.
How to break (hack) into a router and a switch.
How to configure an AAA server and its types.
Setup usernames for the router and the switch.
How to configure a DHCP server, DHCP relay, and DHCP snooping.
NAT and its types, and the purpose of NAT.
Fault tolerance for a router by configuring HSRP.
How to make the router a firewall by creating access lists.
What is STP / RSTP (Preventing Network Loops).
How to secure the switch using port security.
What are VLANs, InterVLAN routing, and VTP?
Channel groups using LACP/PAGP (Fault tolerance for cables).
How to configure static routing, floating routes, and default routes.
What is dynamic routing and how is it applied step by step?
When to use more than one routing protocol (RIP, EIGRP, OSPF).
What is administrative distance and its role in choosing a routing protocol?
What is Classful (FLSM) vs. Classless (VLSM), and what is CIDR?
Subnet all classes (A, B, C).
What is the difference between a public and private network?
