Subnet Mask - Explained
5:00
Telnet vs SSH Explained
10:33
Network Ports Explained
6:35
Default Gateway Explained
20:32
IPv4 Addressing Lesson 2: Network IDs and Subnet Masks
13:33
subnetting is simple
20:05
Cisco I Unidad | Enrutamiento dinámico RIP Versión 2
10:10
DHCP Explained - Dynamic Host Configuration Protocol
31:52