CCNA :) Be a Good Network Administrator

2.1.3 WAN Standards WANs use the OSI reference model, but focus mainly on Layer 1 and Layer 2. WAN standards typically describe both p...

2.1.2 WAN devices WANs are groups of LANs connected together with communications links from a service provider. Because the communicatio...

2.1 WAN Technologies Overview  2.1.1 WAN Technology A WAN is a data communications network that operates beyond the geographic sco...

Module 2: WAN Technologies/Overview As the enterprise grows beyond a single location, it is necessary to interconnect the LANs in the vari...

Summary Module 1 Before students begin Module 2, they must be able to explain the concepts of NAT, PAT, and DHCP. Online assessment opti...

Verifying the Catalyst switch default configuration   Switch name Command Explanation SydneySwitch# show ve...

1.2.8 DHCP Relay DHCP clients use IP broadcasts to find the DHCP server on the segment. What happens when the server...