1Y0-204 Resource Provisioning and Delivery Practice Question
An administrator is deploying a new Machine Creation Services (MCS) catalog using a master image that has a single 80 GB disk. The administrator wants to ensure that the write cache for each non-persistent desktop is stored on a separate, high-performance datastore to improve performance. What should the administrator configure in the MCS catalog wizard?
⚠ Common exam trap
Candidates often confuse RAM-based caching with disk-based caching; RAM caching improves speed but does not relocate the cache to a separate datastore.
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
✓
Select 'Store write cache on a separate disk' and choose the desired datastore
To store write cache on a separate datastore, the administrator must select the option to store write cache on a separate disk and specify the datastore. This isolates write operations and can improve performance. RAM-based caching and thin provisioning do not provide a separate disk for write cache.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Select 'Store write cache on a separate disk' and choose the desired datastore
Why this is correct
MCS allows you to store the write cache on a separate disk, which can be placed on a different datastore. This offloads write operations from the base disk and can improve performance, especially when using high-performance storage. The wizard provides an option to specify a separate cache disk and its location, directly addressing the requirement.
- ✗
Enable 'Thin provisioning' and select a high-performance datastore for the base disk
Why it's wrong here
Thin provisioning affects how storage is allocated but does not separate the write cache from the base disk. The write cache would still reside on the same datastore as the base disk unless otherwise configured. This option does not provide a separate location for the write cache, so it is incorrect.
- ✗
Configure 'Cache in device RAM with overflow on hard disk' and set the overflow location
Why it's wrong here
This option uses RAM for caching and overflows to disk when memory is full. While it allows specifying an overflow location, it is not the same as dedicating a separate disk solely for write cache. The primary cache is in RAM, not on a separate datastore, so it does not fully meet the requirement for a separate high-performance datastore.
- ✗
Enable 'Cache in RAM' and specify the amount of memory to allocate
Why it's wrong here
Cache in RAM uses the VM's memory to store write cache, which can improve performance but reduces the memory available to the operating system and applications. It does not store the cache on a separate datastore. This option is about memory-based caching, not storage location, so it does not meet the requirement.
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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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