E20-555 Dumps

E20-555 Free Practice Test

EMC E20-555: Isilon Solutions and Design Specialist Exam for Technology Architects

QUESTION 46

A four-node Isilon cluster is being used in a Hadoop workflow with a parity protection of N+2:1. The HDFS protocol has been enabled and is being used to access data.
How many additional copies of data are written into the Isilon cluster using HDFS?

Correct Answer: A

QUESTION 47

Refer to the exhibit.
E20-555 dumps exhibit
During a requirements gathering meeting, the customer identified a desire to use a codec for editing content that will take up the least amount of space on their Isilon cluster. The content is 1920x1080 HD.
Based on the provided list of codecs, which codec would minimize the storage requirement?

Correct Answer: A

QUESTION 48

An Isilon customer has two 5-node clusters; one for production and one for disaster recovery (DR). The customer's workflows are replicated to the DR cluster through SyncIQ on individual schedules. They have shut down their production cluster for scheduled maintenance, failed over to the DR cluster, and are currently operating from the DR site.
Assume both clusters have identical shares, exports, user authentication. In addition, assume the client applications have been stopped and the DNS re-pointed. What is the easiest SyncIQ Policy method to continue operations on production?

Correct Answer: A

QUESTION 49

What is the relative latency of a cache hit to L1 cache compared to a hit to L2 cache in an Isilon cluster?

Correct Answer: C

QUESTION 50

A customer has 10 files that are each 10 MB in size. They created two clones of each file on their source cluster. They now want to use SyncIQ to replicate the original files and the cloned files to a target cluster.
Excluding protection overhead, how much disk space will the files use on the target cluster?

Correct Answer: C