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About The Author: Tim Boyles, CCNA, CISSP, CISA, has over 20 years IT professional experience, specializing in in network administration and security. He is currently a consultant and regional security practice lead for BT Global Services. He is also an instructor for SANS Institute, occasional speaker, and has authored numerous books Cisco certifications. Special Features: Primary Reader: Those studying for the CCNA-Security exam. Primary job role is network administration, with a concentration on securing a Cisco network environment. Secondary Reader: CCNAs looking to expand their portfolio by focusing on security best-practices, and learning about Cisco's security offerings.
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