Which media encryption mode can be configured on an Expressway zone?

A. Advanced Encryption Standard

B. IPsec

C. Triple Data Encryption Standard

D. force unencrypted

Refer to the exhibit.

Which two outbound connections should an administrator configure on the internal firewall? (Choose two.)

A. XMPP: TCP 7400

B. SIP: TCP 7001

C. SIP TCP 5061

D. Media: UDP 36012 to 59999

E. HTTPS: TCP 8443

Refer to the exhibit.

Mobile and remote access is being added to an existing B2B deployment and is failing.

When the administrator looks at the alarms on the Expressway-C, the snippets are shown. Which configuration action should the administrator take to fix this issue?

A. The listening port on the Expressway-C for SIP TCP must be changed to a value other than 5060

B. The listening port on the Expressway-C for SIP TLS must be changed to a value other than 5061

C. The listening port on the Cisco UCM for the Expressway-C SIP trunk must be changed to something other than 5060 or 5061

D. The listening port on the Cisco UCM for the Expressway-C SIP trunk is set to something other than 5060 or 5061. It must be set to 5060 for insecure and 5061 for secure SIP

Refer to the exhibit.

While troubleshooting Cisco Jabber login issues, there are some error messages. Why is the Jabber client unable to sign in?

A. down Cisco Unified Communications Manager server

B. XMPP bind failures

C. incorrect login credentials

D. service discovery issues

Which complication does a NAT introduce in SDP for a SIP call?

A. Additional headers due to NAT encapsulation can cause the packet size to exceed the MTU.

B. When the client is behind a NAT they may be unable to determine the appropriate offset due to time zones.

C. The IP address specified in the connection data field may be an unrouteable internal address.

D. The encryption keys advertised in the SDP are only valid for clients not behind a NAT.

Jabber cannot log in via Mobile and Remote Access. You inspect Expressway-C logs and see this error message:

XCP_JABBERD Detail="Unable to connect to host '%IP%', port 7400:(111) Connection refused"

Which is the cause of this issue?

A. Rich Media Session licenses are not activated on Expressway-E.

B. Expressway-E is listening on the wrong IP interface.

C. The destination port for Expressway-E is set to 7400 instead of 8443 on the Expressway-C.

D. The XCP Service is not activated on Expressway-E.

Which zone is required between Expressway-E and Expressway-C in Mobile and Remote Access deployments?

A. Unified Communications traversal zone

B. neighbor zone

C. DNS zone

D. traversal zone

When designing the call control on a Cisco Expressway Core, which is the sequence of dial plan functions?

A. transforms, CPL, user policy, search rules

B. search rules, zones, local zones

C. DNS zone, local zone, search rules

D. search rules, transforms

When deploying an Expressway Core and Expressway Edge cluster for mobile and remote access, which TLS verify subject name must be configured on the Expressway-E UC traversal zone?

A. Webex CUSP Cluster Name

B. Expressway-E Cluster Name

C. Cisco Unified Communications Manager Publisher FQDN

D. Expressway-C Cluster Name

An engineer must configure Mobile and Remote Access. One of the requirements is to expect Cisco Jabber users to enter [email protected] as the login userid. Which DNS record must the engineer modify to start implementing this requirement?

A. _cuplogin._tcp.cisco.com

B. _collab-edge._tls.cisco.com

C. _cisco-uds._tls.cisco.com

D. _cisco-uds._tcp.cisco.com