Advanced Collaboration Architecture Sales Specialist

Answer: B, C, F Cisco Unity Connection supports up to 20,000 mailboxes per server. Cisco Unity Express supports up to 500 mailboxes and includes integrated auto-attendant capability. Unity Express is a router-based branch-office solution rather than software installed on a Cisco MCS server, and the stated redundancy capability does not apply to it. **Learn more:** [Cisco Voice and Unified Messaging Products Feature Comparison](https://www.cisco.com/c/en/us/products/collateral/unified-communications/unity/product_data_sheet0900aecd806bfc37.html) · [Cisco Unity Express Auto Attendant Design Considerations](https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/unity_exp/design/design21/cuedg21/cueaades.html)

Answer: B A UC-ready IP network must be established before deploying Cisco Unified Communications services. In a multisite centralized deployment, the central site is deployed before the remote sites, which rely on central services and WAN connectivity. **Learn more:** [Cisco System Installation and Upgrade Manual for Contact Center: Multi-site centralized model](https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/uc_system/UC9-0-1/cc_system_inst_upg/VTGS_BK_SDA92D62_00_system-install-manual-contact-center/VTGS_BK_SDA92D62_00_system-install-manual-contact-center_chapter_011.html) · [Cisco Preparing for Your System Installation](https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/uc_system/UC8-5-1/ipt_system_inst_upg/prepti.html)

Answer: C, D A telecommunications manager may have a long-standing relationship with the incumbent PBX provider and may resist a collaboration-system transition if management authority for the new system shifts to the IT department. These are stakeholder and organizational-change concerns associated with moving from a traditional PBX environment to an IT-managed collaboration platform.