W

• Warm site: This type of recovery site contains the necessary equipment and environment to support the essential components of a production system.
• Warm swap: Requires the suspension of a system's or failed component's operations while a replacement or switchover takes place.
• Watts: The output rate of energy radiated, absorbed, or dissipated.
• Well-known port: A TCP/UDP reference number to a servicing application or protocol in the range of 0 and 1023.
• Windows Internet Name Service (WINS): A Windows service that resolve devices and network names.
• Write-through: The CPU writes data directly to main memory or a storage device, bypassing cache memory.
• Wye: Connects a current-bearing line to a neutral in a Y pattern.