Which two parameters must match between neighboring OSPF routers in order to form an adjacency? (Choose two.)

Which two parameters must match between neighboring OSPF routers in order to form an adjacency? (Choose two.)

• router ID
• IP address
• process ID
• cost
• hello / dead timers
• network types

Explanation: To form a neighbor relationship between OSPF speaking routers, the routers should reside on the same network and have the same hello and dead intervals. Others criteria that must match are area ID and network type.

Exam with this question: CCNA 3 (v5.0.3 + v6.0) Chapter 10 Exam Answers