Cisco Systems, Inc. (known as Cisco) is an American multinational technology conglomerate headquartered in San José, California, in the center of Silicon Valley, that develops, manufactures, sells networking hardware, telecommunications equipment, other high-technology services products.[4] Through its numerous acquired subsidiaries, such as OpenDNS, WebEx, Jasper, Cisco specializes specific tech markets, such as Internet of Things (IoT), domain security, energy management.
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