350-801 · Question #496
What is a statement about shadow locations in Cisco UCM?
The correct answer is A. Shadow location enables a SIP intercluster trunk to pass enhanced location-based CAC. Shadow locations in Cisco Unified Communications Manager (CUCM) enable SIP intercluster trunks to participate in enhanced location-based Call Admission Control (CAC) for proper bandwidth management.
Question
What is a statement about shadow locations in Cisco UCM?
Options
- AShadow location enables a SIP intercluster trunk to pass enhanced location-based CAC
- BShadow location enforces low-bandwidth codec for calls between Unified CM clusters.
- CShadow location enables a non-SIP intercluster trunk to pass enhanced location-based CAC
- DOnly the intercluster trunk can be assigned to shadow location.
How the community answered
(36 responses)- A94% (34)
- B3% (1)
- C3% (1)
Why each option
Shadow locations in Cisco Unified Communications Manager (CUCM) enable SIP intercluster trunks to participate in enhanced location-based Call Admission Control (CAC) for proper bandwidth management.
Shadow locations are a specific feature designed for SIP intercluster trunks in Cisco UCM to support Enhanced Location CAC. When a SIP intercluster trunk is configured to point to a shadow location, it allows the system to accurately calculate and reserve bandwidth for calls traversing multiple CUCM clusters, ensuring call quality across the WAN.
While locations generally influence codec selection, the primary purpose of shadow locations with SIP intercluster trunks is to enable enhanced CAC, not specifically to enforce low-bandwidth codecs.
Shadow locations are explicitly for SIP intercluster trunks to facilitate enhanced location-based CAC, not for non-SIP intercluster trunks like H.323.
Shadow locations are a configuration concept linked to how locations interact with intercluster trunks, not a restriction that only intercluster trunks can be assigned to them.
Concept tested: Cisco UCM shadow locations and SIP intercluster CAC
Source: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/12_5_1SU1/systemConfig/cucm_b_system-configuration-guide-1251su1/cucm_b_system-configuration-guide-1251su1_chapter_01011.html#concept_147814A1DA87C211475BD2176461FE08
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