JNCIS-ENT: Juniper Networks Certified Specialist – Enterprise Routing and Switching (2023) — Question 20

Which three BGP attributes are well-known and mandatory? (Choose three.)

Answer options

• A. AS Path
• B. Next Hop
• C. MED
• D. Local Preference
• E. Origin

Correct answer: A, B, E

Explanation

The correct attributes, AS Path, Next Hop, and Origin, are considered well-known and mandatory in BGP, meaning they must be present in all BGP updates. MED and Local Preference, while important, are optional and not required for BGP to function correctly.