What is the Cisco UCM sizing guidance for deployments of between 5,000 and 10,000 users or devices that use the medium Open Virtual Archive template?
Answer(s): D
https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Collaboration/enterprise/14/collbcvd/ sizing.html
When setting a new primary DNS server in the Cisco UCM CLI, what is required for the change to take effect?
Answer(s): C
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/12_5_1SU1/adminGd/ cucm_b_administration-guide-1251SU1/cucm_b_test-adminguide_chapter_011110.html
Refer to the exhibit. An engineer must configure Cisco UCM to sync with an LDAP server. After the LDAP configuration is complete, the authentication times out before Cisco UCM logs in. Which port must be open on the firewall to resolve the issue?
Which traversal server must be deployed in the Demilitarized Zone when configuring Mobile and Remote Access?
Answer(s): B
When configuring Mobile and Remote Access (MRA) for Cisco Collaboration, the Cisco Expressway-E server must be deployed in the Demilitarized Zone (DMZ). This deployment enables secure traversal of signaling and media traffic between the internal corporate network and external endpoints (remote users or devices).Key Details:Cisco Expressway-E:Acts as the external-facing component of the Expressway solution.Handles requests from external endpoints.Interfaces securely with the Cisco Expressway-C, which resides inside the corporate network.Ensures firewall traversal for SIP, H.323, and other collaboration protocols.
https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Collaboration/enterprise/12x/120/collbcvd/ bwmgmt.html
Which two options are valid when sizing a Cisco UCM cluster? (Choose two.)
Answer(s): A,D
A Cisco UCM cluster can include up to 21 servers, encompassing various roles such as call processing subscribers, TFTP servers, and media servers. A Cisco UCM cluster supports up to 4 active call processing subscriber nodes and 4 standby nodes, totaling 8 call processing subscribers.
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/install/12_5_1/cucm_b_install-guide- cucm-imp-1251/cucm_b_install-guide-cucm-imp-1251_chapter_00.html
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