Huawei Certified Network Associate – Routing and Switching (HCNA-RS, legacy) — Question 10

A DHCP Unique Identifier (DUID) in DHCPv6 can be configured in VRP using which formats? (Choose two).

Answer options

• A. DUID-LL
• B. DUID-LLT
• C. DUID-EN
• D. DUID-LLC

Correct answer: A, B

Explanation

The correct options are DUID-LL and DUID-LLT, as these are the formats defined in RFC 3315 for identifying DHCP clients. DUID-EN and DUID-LLC are not standard formats recognized in DHCPv6, making them incorrect choices.