You are trying to add Cisco Expressway to Cisco TMS, but the addition is failing.
Which two scenarios might be causing this failure? (Choose two.)
A . Cisco TMS is running a version earlier than 12.5.
B . Cisco TMS was not upgraded before adding Cisco Expressway.
C . Cisco TMS and Cisco Expressway do not have synchronized time settings.
D . SNMP is not enabled on Cisco Expressway.
E . UDP port 161 is blocked on the network.
Answer: DE