E20-555 Free Practice Test

What is a Shadow Store used for in Isilon OneFS?

1. A. Shared data for clones and original files
2. B. Changed block data for clones and original files
3. C. Changed block data for SyncIQ
4. D. Changed blocks for SnapshotIQ

Correct Answer: A

A customer has eight X400 24GB RAM that supports 400 client connections today The customer plans to add 400 more clients in the next few months. They are looking at adding an A-Series node to the cluster to help with client connections.
Before they start adding client connections, what hardware change do you recommend?

1. A. Add RAM to offset concurrent client connections
2. B. Add an A100 to offset concurrent client connections
3. C. Add nodes with SSD to help with connections
4. D. Add more network switches to increase the number of connections

Correct Answer: A

Your customer uses an existing Isilon cluster consisting of five NL-Series nodes to source broadcast media files for playback and streaming.The customer reports that the playback pauses and stutters regularly. It has been confirmed that there are no network or playback system issues.
Which of the choices listed is the appropriate choice to address the playback issues?

1. A. Add three or more S-Series Nodes
2. B. Upgrade OneFS to the latest version
3. C. Enable SmartConnect Advanced
4. D. Enable Level 2 Caching

Correct Answer: A

A company needs the ability to separate administrative rights from data access rights. Which Isilon feature enables this functionality?

1. A. RBAC
2. B. SmartConnect
3. C. SmartLock
4. D. SmartQuota

Correct Answer: A

A potential customer requires 800TB of usable capacity to store medical images for their network of health clinics. The IT department has limited staff and currently manages four storage arrays from other vendors. During a meeting with the Director of IT, you learn that the company is planning to deploy a scale-out NAS solution from a competitor of EMC.
Which factors can demonstrate a lower TCO using Isilon?

1. A. An IDC study found that Isilon requires 30% less downtime per year compared to other solutions
2. B. Isilon linear scalability eliminates over buying and over provisioning
3. C. An IDC study found that Isilon requires 95% less downtime per year compared to other solutions
4. D. Isilon uses lower speed NL-SAS drives which reduces overall power and cooling requirements
5. E. An IDC study found that Isilon requires 95% less downtime hours per year compared to other competitors
6. F. Isilon linear scalability eliminates over buying and over provisioning
7. G. An IDC study found that Isilon requires 95% less downtime hours per year compared to other competitors
8. H. Isilon linear scalability closely aligns with additional staff requirements as capacity grows

Correct Answer: CF