John F. Roland,
CCNA, CCDA, CCNP, CCDP, CSS-1, MCSE, is a security specialist who works for Ajilon Consulting.
John has worked in the IT field for more than 22 years, from COBOL programming on IBM mainframes to LAN/WAN
design and implementation on United States military networks and, more recently, to the development of Cisco and
Microsoft certification training materials. John’s current assignment has him designing and implementing enterprise
network certification testing at one of the largest banks in America.
John holds a bachelor’s degree in accounting from Tiffin University, Tiffin, Ohio, with minors in math and electrical
engineering from General Motors Institute, Flint, Michigan.
Mark J. Newcomb
is the owner and lead security engineer for Secure Networks in Spokane, Washington. Mark has
over 20 years of experience in the networking industry, focusing on the financial and medical industries. The last six
years have been devoted to designing security solutions for a wide variety of clients throughout the Pacific Northwest.
Mark was one of the first people to obtain the CCNA certification from Cisco and has since obtained CCDA, CCNP, and
CCDP certifications. He is the co-author of
Cisco Secure Internet Security Solutions
, published by Cisco Press, and two
other networking books. He has been a technical reviewer on over 20 texts regarding networking for a variety of publishers.
He can be reached by e-mail at mnewcomb@wanlansecurity.com.
About the Technical Reviewers
Scott Chen
has worked in the IT field for the past seven years holding various positions, including senior NT engineer,
senior network engineer, and lead network engineer/network manager. Scott is currently a lead network engineer/network
manager at Triad Financial Corporation, which is a wholly owned subsidiary of Ford Motor. He has implemented
VPN solutions for remote access and LAN-to-LAN for several enterprises. Scott has extensive experience designing,
implementing, and supporting enterprise networks and working with various technologies that Cisco offers, including
routing, switching, security, content switching, wireless, BGP, EIGRP, and NAT. Scott graduated from the University of
California, Irvine, with a bachelor’s degree. He also holds several certifications, including MCSE, CCNA, CCNP, and
CCIE Written/Qualification. Scott can be reached through e-mail at scottchen@cox.net.
Gert Schauwers
is a triple Cisco Certified Internet Expert (CCIE No. 6942)—Routing and Switching, Security, and
Communication and Services. He has more than four years experience in internetworking and holds an Engineering
degree in Electronics/Communication. Gert is currently working in the Brussels CCIE lab where he’s a proctor and
content engineer for the Routing and Switching, Security, and Communication and Services exams.
Thomas Scire
has been working in the network infrastructure industry since 1996. Thomas specializes in LAN, WAN,
security, and multiservice infrastructure from Cisco Systems, Checkpoint, and Nokia. Thomas works for Accudata Systems,
Inc., an independent IT professional services and solutions firm that specializes in enterprise network and security
infrastructure. Some of his more notable projects include enterprise VPN and IP telephony deployments and an international
Voice over Frame Relay network deployment. Thomas holds a bachelor’s degree in Computer Engineering from
Polytechnic University and holds several certifications, including Cisco CCNA/CCDA, Cisco IP Telephony Design
Specialist, Checkpoint Certified Security Engineer, Checkpoint Certified Security Instructor, and Nokia Security
Administrator.
