JNCIS-ENT: Juniper Networks Certified Specialist – Enterprise Routing and Switching (2024) — Question 21

When electing a DIS in an IS-IS network, what is used to break a priority tie?

Answer options

• A. highest MAC address
• B. highest router ID
• C. lowest MAC address
• D. lowest router ID

Correct answer: A

Explanation

The correct answer is A, as the highest MAC address is used to break ties when multiple routers have the same priority in the DIS election process. The other options, B, C, and D, do not apply in this context for resolving such ties in an IS-IS network.