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Free 350-801 Exam Braindumps
Implementing Cisco Collaboration Core Technologies (CLCOR) Questions 76–80 (page: 17)

Updated On: 10-Feb-2026
Page 17 of 86
PDF with 489 Questions

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?

  1. one publisher, one TFTP, and two call processing subscribers
  2. one publisher, one TFTP, and one call processing subscriber
  3. one publisher, two TFTP, and two call processing subscribers
  4. one publisher, two TFTP, and four call processing subscribers

Answer(s): D


Reference:

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?

  1. restart of CallManager service
  2. restart of DirSync service
  3. reboot the Cisco UCM node
  4. restart of TFTP service

Answer(s): C


Reference:

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?

  1. 3389
  2. 123
  3. 161
  4. 389

Answer(s): D



Which traversal server must be deployed in the Demilitarized Zone when configuring Mobile and Remote Access?

  1. Cisco IM and Presence
  2. Cisco Expressway-E
  3. Cisco Unified Border Element
  4. Cisco Expressway-C

Answer(s): B

Explanation:

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.


Reference:

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.)

  1. The total number of servers allowed in a cluster must not exceed 21.
  2. A single Cisco UCM subscriber can support 40,000 CTI connections.
  3. The maximum number of TFTP nodes in a cluster is 8.
  4. There can be 4 call processing subscriber nodes with 4 additional standby call processing nodes for a total of 8.
  5. A single Cisco UCM subscriber can support 40,000 secured or unsecured SIP/SCCP phones.

Answer(s): A,D

Explanation:

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.


Reference:

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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