1806672
9780072191813
John Mairs, CCNA, CCDA, MCSE, MCP+I, has been a network administrator and security systems consultant for more than 14 years. He is currently a systems engineer for GE Capital Information Technology Solutions and is a contributing author to Cisco Router HandbookMairs, John L. is the author of 'Vpns A Beginner's Guide' with ISBN 9780072191813 and ISBN 0072191813.
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