Cisco Related Exams
300-820 Exam
A company identifies a fraudulent toil situation. An engineer reviews the Cisco UCM call detail records and discovers that fraudulent calls originate from a Cisco Expressway-C server and are then routed to a 10-digit PSTN number. What must be configured to limit incoming Expressway calls to the internal Cisco UCM range of extensions 5XXXX?
Which mechanism does TLS use to validate identity?

Refer to the exhibit. An engineer is configuring Cisco Expressway-C to discover Cisco UCM by using an IP address and a TCP connection. After the configuration is saved, errors occur.
Which two changes must be made to resolve the errors? (Choose two.)