Cisco (NASDAQ: CSCO) is the worldwide leader in networking that transforms how people connect, communicate and collaborate.
Cisco Systems, Inc. (NASDAQ: CSCO, SEHK: 4333) is an American multinational corporation that designs and sells consumer electronics, networking and communications technology and services. Headquartered in San Jose, California, Cisco has more than 65,000 employees and annual revenue of US$36.11 billion as of 2009. The stock was added to the Dow Jones Industrial Average on June 8, 2009, and is also included in the S&P 500 Index the Russell 1000 Index, NASDAQ100 Index and the Russell 1000 Growth Stock Index.[4] Cisco is one of the world's biggest technology corporations.
Cisco Systems also sponsors a line of IT Professional certifications for Cisco products. There are five levels of certification: Entry, Associate, Professional, Expert, and recently Architect, as well as eight different paths, Routing & Switching, Design, Network Security, Service Provider, the newly introduced Service Provider Operations, Storage Networking, Voice, and Wireless.
This book helps you for the certifications:
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