Huawei Certified Network Associate – Routing and Switching (HCNA-RS, legacy) — Question 45

Which of the following descriptions about STP are incorrect? (Multiple Choice)

Answer options

• A. A layer-2 switching network can have only one designated switch.
• B. All the ports of the root switch are root ports.
• C. All the ports of the root switch are designated ports.
• D. The switch with the smallest priority value is elected as non-root switch.

Correct answer: B, D

Explanation

Option B is incorrect because all ports on the root switch are designated ports, not root ports. Option D is also incorrect since the switch with the smallest priority value is elected as the root switch, not a non-root switch.