Lab Study and Technical Resources:
IOS Commands
IOS Basic Overview
2950 Switch Based Commands
2610 Basic 12.2 (non-XM) Based Router Commands
IOS Security Commands
TFTP Server
Solarwinds Free TFTP Server
IOS Configuration Editor
IOS Seeker
IOS Hunter 3.1 Download (Free to Try)
IOS Hunter 3.2 Download (Free to Try)
Windows Hyperterminal 6.3 Free Download
SIP Trunk Providers
Popular Provider Comparison
Broadvox
SIPTrunk.Org