Huawei Certified ICT Associate – Data Center Network (HCIA-DCN) — Question 174

Which of the following statements about VLAN design and planning on campus networks are true? (Choose all that apply.)

Answer options

• A. Preferentially assign VLANs based on MAC addresses. This is the most commonly used method for VLAN assignment.
• B. Reserve a specific number of VLANs for future use.
• C. Preferentially assign VLANs based on ports. This is the most commonly used method for VLAN assignment.
• D. Allocate consecutive VLAN IDs to ensure proper use of VLAN resources.

Correct answer: B, C, D

Explanation

Option B is correct because reserving VLANs for future use allows for growth and flexibility in the network. Option C is also correct as assigning VLANs based on ports is indeed a common practice. Option D is valid because allocating consecutive VLAN IDs helps in managing and utilizing VLAN resources effectively. Option A is incorrect since assigning VLANs based on MAC addresses is not the most common method used.