DELL EMC E20-555 Isilon Solutions and Design Specialist Exam for Technology Architects Online Training
DELL EMC E20-555 Online Training
The questions for E20-555 were last updated at Jan 13,2025.
- Exam Code: E20-555
- Exam Name: Isilon Solutions and Design Specialist Exam for Technology Architects
- Certification Provider: DELL EMC
- Latest update: Jan 13,2025
Where are file system operations initiated on an Isilon node?
- A . L1
- B . NVRAM
- C . L2
- D . Disk
For concurrent I/O, how do SmartCache and Endurant Cache differ?
- A . Endurant Cache sends an acknowledgement to the client immediately after mirroring writes in NVRAM
- B . Endurant Cache waits for acknowledgement from all nodes before copying to L2 cache
- C . SmartCache immediately commits the write to NVRAM on the local node and one peer node
- D . SmartCache uses sub-file, granular locking whereas Endurant Cache locks the entire file
Where is caching for disk blocks staged on an Isilon node?
- A . L2
- B . CPU
- C . L1
- D . RAID
A customer is looking for a new storage solution to handle their growing storage requirements. The system should be able to cover storage needs for the next three years. The environment consists of 100 TBs of file system data spread across five file systems. On average, the file systems grow 1 TB a month. In addition, they have a large VMware cluster supporting 200 VMs and a highly transactional database.
The customer is looking for a solution that would provide good performance, scalability, manageability, and be cost-effective. The sales team is looking to you to recommend a solution.
Which recommendation will meet the customer’s requirements?
- A . Isilon for file system data, and a VNX for DB and VMware workloads
- B . Isilon cluster and scale-out as required
- C . VNX Unified platform with FAST Cache
- D . VMAX with FAST VP and a NAS Gateway
What is the relative latency of a cache hit to L1 cache compared to a hit to L2 cache in an Isilon cluster?
- A . 2x
- B . 5x
- C . 10x
- D . 25x
Which type of data is stored in Endurant Cache of an Isilon node?
- A . Write
- B . Volume
- C . Read
- D . Protection
What is the overhead impact on the physical capacity when configuring data protection at +2:1 on a 6node Isilon cluster?
- A . 1/2
- B . 1/4
- C . 1/5
- D . 1/6
A customer has 10 nodes in a cluster using N+2 protection.
What is the minimum number of nodes required to be online and in communication with one another to satisfy quorum?
- A . 4
- B . 5
- C . 6
- D . 7
In an Isilon cluster for N+2 protection, what is the minimum number of nodes?
- A . 3
- B . 5
- C . 6
- D . 9
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