Cisco Networking Academy,
170 WEST TASMAN DRIVE SAN JOSE CA
COURSE - COMPUTER NETWORKS & BUSINESS ENTERPRISE,
Masters-Switzerland management center,
masters in Business Administration.
A Network Engineer & Business Enterprises.
What Cloud Means A cloud is a powerful combination of cloud computing, networking, storage, management solutions, and business applications that facilitate a new generation of IT and consumer services. These services are available on demand and are delivered economically without compromising security or functionality. Instead of moving to a single cloud, we are moving to an interconnected "world of many clouds". This will give people access to cloud services any time, on any device, anywhere in the world. To take full advantage of cloud computing, enterprises need to evolve their IT strategy to achieve greater business value through the improved cost-savings and productivity that cloud services offer. Service providers need to offer and monitor cloud services to serve their customers even more effectively while improving profitability. ( The Cloud is with Wan Network-Related to-LAN Switching & Routing)
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A Wi-Fi cell phone (also called a cellular-Internet phone or cell-Internet phone ) is a cellular telephone that can automatically switch between conventional cellular and Wi-Fi VoIP modes, even during the course of a conversation. A Wi-Fi LAN acts, in effect, as a cellular repeater for such a phone. Wi-Fi cell phones are designed to prevent a phenomenon called drop-out that occurs when a cell phone set cannot maintain reliable contact with a repeater. Drop-out is a problem in dense urban areas and in concrete-and-steel buildings, which can block the radio-frequency (RF) signals between cell phone sets and outdoor repeaters. If a cell phone set is near the limit of a given repeater's range and the user walks from outdoors to indoors, loss of contact (a dropped call) can result. With a Wi-Fi cell phone set, if the building has Wi-Fi access, the call is handed off from the conventional cellular network to the Wi-Fi LAN, taking advantage of VoIP technology to maintain the call without drop-out. Conversely, a Wi-Fi VoIP-based conversation taking place indoors, or within a Wi-Fi hotspot, can seamlessly transfer to the conventional cellular network if the user wanders out of range of the hotspot during the call.
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