This TCP vs UDP quiz helps you understand how transport layer protocols manage communication and reliability in IP networks.
You’ll review core differences such as connection establishment, sequencing, and error handling that impact data delivery.
Each question simulates real exam logic to help you think critically about when to use TCP or UDP in specific scenarios.
You’ll also strengthen your ability to identify how each protocol affects application performance and network efficiency.
Use this quiz to validate your CCNA knowledge of transport protocols and confirm your readiness for the networking fundamentals section.

