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EMC E20-554 Exam Syllabus Topics:

EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

Question 1

Your customer has an Isilon cluster with five X400 nodes and four 72NL nodes. A SmartPools policy moves data to the NL nodes after 60 days of inactivity. The customer wants to expand the archive tier by at least 150 TB and would like to manage a single archive pool.
Which nodes should be added to the cluster?

A. Two X400 nodes with 3TB drives
B. Three X400 nodes with 1TB drives
C. Three NL400 nodes with 2TB drives
D. Two NL400 nodes with 4TB drives

Question 2

Refer to the exhibit.

You are analyzing a customer's existing Isilon environment using isi statistics in order to expand the cluster. When examining the protocol subcommand, you see the output as shown in the exhibit.
What does the data tell you about the workload?

A. It uses large read requests.
B. It contains mostly random writes.
C. It is mostly sequential reads.
D. It is metadata intensive.

Question 3

A hospital is considering using Isilon to store their archived medical images and genomic sequencing data. They currently have 56 TB of PACS images and 24 TB of genomic data, and expect to double their capacity requirements this year. They will replicate to a DR cluster, and plan to use N+2 protection. The production workload needs to be run at either site.
Which minimum cluster configuration, at each site, including software, would meet this customer's environment?

A. Four NL400 (3 TB drives) nodes with SyncIQ.
B. Seven X200 (3 TB drives) nodes with SyncIQ and SnapshotIQ
C. Five X400 (2 TB drives) nodes with SyncIQ.
D. Five X400 (2 TB drives) nodes with SnapshotIQ.

Question 4

You are asked to size a cluster for a file sharing environment. nfsstat indicates that no more than 10% of the requests are namespace operations (e.g. GETADDR, SETADDR). There will be 10,000 active Linux users, connecting over NFS.
Which cluster configuration would you recommend?

A. Five X400 (120 TB) 96 GB RAM, 2.4 TB SSD, N+2
B. Eight X200 (36 TB) 24 GB RAM, no SSD, N+2:1
C. Ten X200 (27 TB) 48 GB RAM, 600 GB SSD, N+2:1
D. Ten X400 (60 TB) 48 GB RAM, 2.4 TB SSD, N+2:1

Question 5

You will be meeting with the Corporate Security Team as part of the implementation planning for a new Isilon cluster deployment. The Lead Security Analyst has asked you to discuss the Authentication Sources on your Isilon Cluster.
What customer questions regarding Isilon-supported Authentication Sources do you need to be prepared to answer?

A. Is the cluster X.400 compliant?
What firewall rules are in place to prevent data leakage?
Is there a audit trail for access zone configuration changes?
B. Are you using File Services for UNIX in your AD environment?
Do you support NIS+ for NFS authentication?
Do you support multiple Access Zones connecting to the AD Domain?
C. What mechanism are you using for NFS authentication?
Do you support Novell Directory Services?
What implementations of LDAP are supported?
D. What mechanism are you using for NFS authentication?
Do you have multiple AD domain support?
What versions of LDAP are supported?

Solutions: