EUCIP programmi materjal: Learning Materials for Information Technology Professionals (EUCIP-Mat)

CompTIA Security+ Study Guide, 4th Edition by Emmett Dulaney

TCP/IP Fundamentals for Microsoft Windows: http://www.microsoft.com/downloads/en/confirmation.aspx?FamilyID=c76296fd-61c9-4079-a0bb-582bca4a846f&displaylang=en

IP Telephony Deploying VoIP Protocols and IMS Infrastructure, Second Edition by Olivier Hersent, 2011

Terminid: http://vallaste.ee/, http://en.wikipedia.org