Welcome to CCNA Security Study Guide, a comprehensive guide that covers everything you need for Cisco's exam IINS 640-553. For readers who are new to Cisco certifications, there is a well-defined structure to the different levels that network administrators can achieve. Cisco's current certification structure has the following five different levels of certification:
This book is written for the associate level of certification. Cisco considers this level to be the "apprentice or foundation level" for network administrators.
Cisco has recently broadened its associate-level certifications to include not only a certification for routing and switching (CCNA) and one for design (CCDA) but also ...