1Y0-312 Advanced Site Architecture Practice Question
A Citrix architect is designing a new Citrix Virtual Apps and Desktops 7 environment for a company with two datacenters: one in Chicago and one in Dallas. The company wants users in each location to connect to resources hosted in their local datacenter whenever possible, but also wants to ensure that if the local datacenter becomes unavailable, users can still access their resources from the other datacenter. The architect decides to implement a multi-zone Site with a Primary Zone in Chicago and a Satellite Zone in Dallas. Which statement accurately describes the role of the Zone Data Collector in this design?
⚠ Common exam trap
The trap here is assuming that the Primary Zone Data Collector brokers all sessions for the entire Site, when in fact each zone's Data Collector handles brokering for its own zone.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The Zone Data Collector in each zone brokers session launch requests for resources in that zone, and if the local Zone Data Collector fails, the Site automatically elects a new Zone Data Collector within the same zone.
In a multi-zone Site, each zone contains one or more Delivery Controllers that run the Zone Data Collector service. The active Zone Data Collector in each zone brokers session launch requests for resources in that zone, ensuring that users connect to resources in their local zone when possible. If the active Zone Data Collector fails, the remaining controllers in that zone hold an election to select a new active Zone Data Collector, providing high availability within the zone. The Primary Zone's Data Collector does not broker sessions for Satellite Zones.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The Zone Data Collector is only used during site configuration changes, and session brokering is handled by the Delivery Controller in the Primary Zone regardless of the zone in which the VDA resides.
Why it's wrong here
This is incorrect because the Zone Data Collector actively brokers sessions in its zone, not just during configuration changes. The Delivery Controller service runs on all controllers, and each zone's controller brokers sessions for that zone. The Primary Zone does not handle brokering for Satellite Zones. This option misstates the role of the Zone Data Collector and incorrectly assigns brokering to the Primary Zone.
- ✗
Each zone has its own Zone Data Collector, and the Zone Data Collector in the Primary Zone is responsible for all zone elections and for maintaining the central configuration database.
Why it's wrong here
While each zone does have a Zone Data Collector, the Primary Zone's Data Collector does not maintain the central configuration database. The database is hosted on a SQL Server instance and is accessed by all Data Collectors. The Zone Data Collector is responsible for brokering sessions within its zone, not for database management. This option misrepresents the database role and the zone election process, which is handled by a separate election mechanism.
- ✓
The Zone Data Collector in each zone brokers session launch requests for resources in that zone, and if the local Zone Data Collector fails, the Site automatically elects a new Zone Data Collector within the same zone.
Why this is correct
In a multi-zone Site, each zone has its own Zone Data Collector that handles session brokering for resources within that zone. If the active Zone Data Collector fails, the remaining controllers in the same zone participate in an election to select a new active Zone Data Collector. This ensures local redundancy and minimizes impact on users in that zone, while the Primary Zone's Data Collector does not directly broker sessions in Satellite Zones.
- ✗
The Zone Data Collector in the Primary Zone brokers all session launch requests for the entire Site, and Satellite Zones only contain VDAs that register with the Primary Zone Data Collector.
Why it's wrong here
This describes a single-zone architecture where all VDAs register with one Data Collector. In a multi-zone Site, each zone has its own Data Collector, and VDAs register with the Data Collector in their zone. The Primary Zone Data Collector does not broker sessions for Satellite Zones; it only handles its own zone. This option incorrectly centralizes all brokering in the Primary Zone, which defeats the purpose of zoning for locality.
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Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Citrix exam blueprint
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