Organizational Unique Identifier Home > Tag: Organizational Unique Identifier Showing 1 of 1 Blog Posts Interview Question of CCNA Part4 admin January 30, 2011 31- What is BIA ? Burn in Address other name is MAC address 32- What is Size of IPv4 MAC Address? 48 Bits 33- Why MAC address... Interview Question of CCNA Part4 by admin in Interview Question Our ServicesNew Additions Premium PDF Premium PPT Discount Codes Start Building Bundle Vendor Bundle – Big Save! Quick LinksAbout Blog FAQ List by Group Payment Methods (New)Payment Alternative Your purchase with Ciscoforall is safe and fast. Your Learning Solution will be available for immediate download after your payment has been received.