What does a low FAST Cache hit ratio indicate on a Dell Unity system?

The cache is too large for the workload

The workload is not benefiting significantly from FAST Cache

How can you add cache drives to an existing FAST Cache configuration on a Dell Unity system?

By creating a new FAST Cache on a different pool

By using Unisphere to add drives to the FAST Cache

By physically replacing the existing cache drives

By rebooting the system after installing new drives

When sizing FAST Cache for a Dell Unity system, what is the recommended minimum capacity?

At least 2% of the total pool capacity

At least 1% of the total pool capacity

At least 10% of the total pool capacity

At least 5% of the total pool capacity

A Dell Unity administrator is monitoring FAST Cache performance and sees that the hit rate is high, but the write latency is still high. What is the most likely reason?

The FAST Cache drives are read-only

FAST Cache is write-through, so writes are still written to disk

The system is using write-back cache, which is not supported

The write workload is too large for the FAST Cache, causing write-back pressure

Dell Unity Deploy

Domain 5Objective 1

Describe and Configure FAST Cache UNITY-DEPLOY Practice Questions (Page 4)

Part of the Storage Efficiency, Scalability, and Performance Features domain, which accounts for 25% of the UNITY-DEPLOY exam.

28questions here

6free pages

7concepts

25%of the exam

Questions 16–20

16foundation · easy
What does a low FAST Cache hit ratio indicate on a Dell Unity system?
Select an answer first
17foundation · easy
How can you add cache drives to an existing FAST Cache configuration on a Dell Unity system?
Select an answer first
18foundation · easy
When sizing FAST Cache for a Dell Unity system, what is the recommended minimum capacity?
Select an answer first
19expert · hard
A Dell Unity administrator is monitoring FAST Cache performance and sees that the hit rate is high, but the write latency is still high. What is the most likely reason?
Select an answer first
20application · medium
A Dell Unity administrator is sizing FAST Cache for a database workload. The database has a hot data set of 1 TB, and the workload is 70% reads and 30% writes. The administrator has 800 GB SAS flash drives available. How many drives should they use for FAST Cache?
Select an answer first

Finished these 5 questions?

Review the revealed explanations, or continue through the curriculum.

Next 5 questions →Back to UNITY-DEPLOY

Free Basic Practice is a study aid with revealable answers — not a scored exam. Examers.io is independent and not affiliated with or endorsed by Dell Technologies. “UNITY-DEPLOY” is a trademark of its owner, used for identification only.