Question: What is the primary purpose of including a Check Digit in the International Mobile Equipment Identity (IMEI)?
Option 1: To enhance encryption for secure transmission over the air interface
Option 2: To provide additional storage for manufacturer-specific data
Option 3: To prevent manual transmission errors, particularly during registration processes
Option 4: To facilitate faster call setup times by pre-authenticating equipment
Explanation: The Check Digit is designed to safeguard against mistakes that could occur when manually handling or registering IMEI numbers, such as when a customer reports a stolen device to their operator. This digit helps verify the accuracy of the IMEI, ensuring it matches the equipment in question, thereby preventing errors in administrative and security processes.