Huawei Certified ICT Professional – Data Center Network (HCIP-DCN) — Question 13

Which of the following attributes must be carried in an Update message?

Answer options

• A. local-Pref
• B. MED
• C. AS_Path
• D. PrefVal

Correct answer: C

Explanation

The AS_Path attribute is essential in Update messages as it helps in identifying the route that the update has traversed. While local-Pref, MED, and PrefVal are important attributes in BGP, they are not mandatory for every Update message, making AS_Path the correct choice.