Huawei Certified Network Professional – Routing and Switching v2 (HCNP-RS) — Question 18

IP QoS models include: (Choose three.)

Answer options

• A. Best-Effort
• B. Integrated Service
• C. Differentiated Service
• D. FIFO Service

Correct answer: A, B, C

Explanation

The correct answers are A, B, and C because Best-Effort, Integrated Service, and Differentiated Service are established models for managing QoS in IP networks. FIFO Service, while a queuing method, does not specifically define a QoS model.