Which two services need to be activated on a Cisco Unified Communications Manager for it to
function as the publisher in a cluster? (Choose two.)

A.
Cisco DirSync

B.
Cisco Extension Mobility

C.
Cisco Messaging Interface

D.
Cisco TFTP

E.
Cisco CallManager

F.
Cisco DHCP Monitor Service

Explanation:
Link : http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/service/8_6_1/admin/sasrvdes.html
Cisco Unified Serviceability Administration Guide Release 8.6(1), page-91.
Explanation : The Cisco Extension Mobility feature allows users to temporarily access their Cisco
Unified IP Phone configuration such as line appearances, services, and speed dials from other
Cisco Unified IP Phones.