Which two types of authentication are supported for the configuration of Intercluster Lookup Service? (Choose two.)

Which two types of authentication are supported for the configuration of Intercluster Lookup Service? (Choose two.)
A . TokenID
B . username and secret key
C . TLS certificates
D . passwords
E . FQDN of the servers defined in DNS

Answer: C,D

Explanation:

Reference: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/11_5_1/sysConfig/11_5_1_SU1/cucm_b_system-configuration-guide-1151su1/cucm_b_system-configuration-guide-1151su1_chapter_011001.pdf