Which two statements are true for GRE tunneling? (Choose two.)
A . GRE tunnel endpoints must have a valid route to the remote endpoint
B . GRE tunnels support multiple logical units per interface
C . GRE tunnels are stateful by default
D . GRE tunnels support only one logical unit per interface
Answer: AB
Explanation:
Reference: https://www.juniper.net/documentation/en_US/junos/topics/topic-map/filtering-unicast-packetsmulticast-tunnel-interfaces.html#id-configuring-unicast-tunnels