E20-555 Free Practice Test

Your customer has an existing Isilon cluster comprised of five NL-Series nodes. They have a new project that will quadruple their current throughput requirements. Upon reviewing reports in InsightIQ, you see that the aggregate external network throughput is peaking at 600MB/s. The customer states that data is only active for the first 7 days, but they keep it indefinitely.
Which recommendation best supports their growth requirements?

1. A. Add X-Series nodes to the cluster, and use SmartPools to migrate inactive data to the NL-Series nodes.
2. B. Use the Isilon Sizing Tool to determine GNA requirements, and add NL-Series nodes with SSD to the cluster.
3. C. Add a VNX Unified array for the new project, and use rsync to migrate data to the Isilon cluster for archiving.
4. D. Add A-Series nodes to the cluster to boost combined network performance.

Correct Answer: A

A customer requires a backup to tape of their Isilon cluster. They want advice on whether to implement a two-way NDMP solution or a three-way solution. The front-end network must be used to stream data to the backup solution. Which cost-effective solution will meet their needs?

1. A. Two-way including a Backup Accelerator
2. B. Three-way without a Backup Accelerator
3. C. Three-way including a Backup Accelerator
4. D. Two-way without a Backup Accelerator

Correct Answer: A

A cluster has user quotas configured for user’s home directories with hard limits and advisory limits set. What would the default setting be for calculating user quotas on the cluster?

1. A. User data and data protection overhead only
2. B. User data only
3. C. User data, snapshot data, and data protection overhead
4. D. User data and snapshot data only

Correct Answer: C

In OneFS, what is the largest number of disks in a subpool?

1. A. 234
2. B. 256
3. C. 468
4. D. 864

Correct Answer: B

How many files can reference a single block within a shadow store?

1. A. 8
2. B. 128
3. C. 512
4. D. 32,000

Correct Answer: D