jn0-664 question 111 discussion

Question 111

Which two statements are correct about IS-IS interfaces? (Choose two.)

• A. If a point-to-point interface is in both L1 and L2, separate hello messages are sent for each level.
• B. If a point-to-point interface is in both 11 and L2, one combined hello message is sent for both levels.
• C. If a broadcast interface is in both L1 and L2, separate hello messages are sent for each level.
• D. If a broadcast interface is in both L1 and L2, one combined hello message is sent for both levels.