When a customer purchases a Cisco IOS 15.0 software package, what serves as the receipt for that customer and is used to obtain the license as well?
- Software Claim Certificate
- End User License Agreement
- Product Activation Key
- Unique Device Identifier
Explanation: A customer who purchases a software package will receive a Product Activation Key (PAK) that serves as a receipt and is used to obtain the license for the software package.