Question: Aironet Wireless Communications, network equipment maker, was acquired in 1999 by which Silicon Valley giant?
Sentence (from "Cisco Systems"): Cisco Systems, Inc. (known as Cisco) is an American multinational technology conglomerate headquartered in San Jose, California, in the center of Silicon Valley, that develops, manufactures and sells networking hardware, telecommunications equipment and other high-technology services and products.
Relevant evidence: Yes