1Y0-204 Architecture Practice Question
Which TWO components are essential for the operation of the Citrix 'Local Host Cache' feature?
⚠ Common exam trap
Candidates often assume that the Citrix Cloud Connector or an external SQL server is required for Local Host Cache, forgetting that LHC relies specifically on the local SQL Express instance installed with the Delivery Controller.
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
✓
Delivery Controller
Local Host Cache (LHC) requires a Delivery Controller and a local SQL database instance (specifically, the local SQL Express database that is automatically installed on the controller). These two components work in tandem to ensure that if the connection to the primary SQL site database is lost, the controller can continue to broker connections based on the locally cached state, preventing complete site downtime for connected users during a database outage.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Delivery Controller
Why this is correct
The Delivery Controller is the core component that manages the broker service. In an LHC scenario, the controller acts as the primary brokering engine. Without the controller service actively monitoring the database connectivity, the system cannot trigger the failover to the local cached state during a critical site database outage.
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Citrix License Server
Why it's wrong here
The License Server is necessary for checking license health but is not a component of the Local Host Cache architecture. LHC relies on the local database and the broker service on the Delivery Controller to keep the environment running. The license server remains a separate, non-critical dependency for basic LHC functions.
- ✓
SQL Express Local Instance
Why this is correct
The local SQL Express instance is the database that stores the cached site information. This allows the Delivery Controller to look up resource availability and user assignments when the primary site database is unavailable. It is a mandatory component for enabling and operating the Local Host Cache feature on every controller.
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StoreFront Server
Why it's wrong here
While StoreFront is part of the overall Citrix architecture, it is not part of the Local Host Cache brokering mechanism. LHC is an infrastructure-side feature involving the Delivery Controller and the SQL database. StoreFront simply interacts with the broker, regardless of whether the broker is using the primary or cached database.
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NetScaler Gateway
Why it's wrong here
The NetScaler is an access-layer component that exists outside the scope of the Local Host Cache feature. LHC is strictly related to the control plane's ability to broker sessions when database connectivity is severed. It does not interface with the NetScaler to achieve its goal of local site survivability for users.
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JA
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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