Cisco Systems, Inc., is the worldwide leader in networking for the Internet. Cisco solutions, which include industry-leading publications from Cisco Press, educate and provide competitive advantage to customers through more efficient and timely exchange of information, leading to cost savings, process efficiencies, and closer business relationships. These solutions form the networking foundation for many organizations worldwide.
John Roland, CCNP, CCDP, CSS-1, is a security specialist for Ajilon Consulting and has worked in the IT field for more than 22 years. He has experience in COBOL programming on IBM mainframes, LAN/WAN implementation on military networks, and developing Cisco certification training materials.