Contributor biographical information for CCNA Cisco certified network associate security study guide (Exam 640-553) / Richard Deal.


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Richard Deal, CCNA, CCNP, CCDA, CCDP is a certified Cisco instructor, a Cisco certification test writer, consultant, and trainer. He owns a consulting company, The Deal Group, which provides network consulting and training services nationwide. Deal is the author of CCNA Cisco Certified Network Associate Study Guide, Cisco PIX Firewalls, and several other books.




Library of Congress subject headings for this publication:
Computer networks -- Security measures -- Examinations -- Study guides.
Computer networks -- Security measures -- Problems, exercises, etc.
Telecommunications engineers -- Certification.