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EMC Isilon Design Specialist Exam for Technology Architects Sample Questions:

1. A potential customer has about 540TB of NetApp running in ONTAP 7-Mode. They are willing to let you gather some workload data. They have LDAP and Active Directory authentication and primarily Windows Clients. They are very interested in Automated Tiering and Large Scale Archives. They are not certain about the workflows from the Marketing Department. The Content Team will only say they need to acquire 300 TB within 90 days. They do not know the average file size or the number of aggregates they are managing.
Which tools would you use to gather information to do your Isilon sizing?

A) MiTrendWPA ,Autosupport, and PerfCollect
B) Wireshark, isi statistics, and iostat
C) isi status, isi_netlogger, and PerfMon
D) Isilon Insight IQ, OnCommand Insight, and nfsstat

2. You have 1000 users for an application that reads and writes files averaging between one and four MB in size. Each user requires 24 MB of RAM. You want to add another 1000 users for this application, and in preparation for them, you run the isi statistics command. You discover that the average CPU utilization is 20%; aggregate throughput averages 700 MB/s and the disk QueueD average is 1.5. Your cluster currently has five X200 (12 GB RAM, 1 TB drive) nodes, uses N+2:1 protection and 1 GigE networking.
What should you do to accommodate the next 1000 users?

A) Upgrade two of the 1 GigE NICs to 10 GigE on each node.
B) Upgrade each X200 node to a total of 24 GB of RAM.
C) Add five A100 (24 GB RAM) accelerator nodes.
D) Add five additional X200 (12 GB, 1 TB drive) nodes

3. 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) What mechanism are you using for NFS authentication?
Do you have multiple AD domain support?
What versions of LDAP are supported?
C) 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?
D) What mechanism are you using for NFS authentication?
Do you support Novell Directory Services?
What implementations of LDAP are supported?

4. Refer to the exhibit.

Your customer has three different clusters. File systems on two of the clusters are at 90% full, and the largest cluster is 10% full. Active data resides on the largest cluster. The customer has five different node types totaling 2PB and 54 nodes. Nodes from left to right are as shown:
1. X200
2.12000X
3.36000X
4.NL108
5.108NL
They have a Smartpool license and believe that tiering data would help free up needed space.
After talking with the customer and explaining the use of SmartPools, how would you recommend optimizing utilization across all of the nodes that the customer owns?

A) Borrow nodes to reconfigure the cluster and migrate the data to new cluster.
B) Explain to the customer that this will result in data loss.
C) Attach all nodes to a common Infiniband switch.
D) Go to GUI and put alike nodes in the same pools. Then name them.

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

Solutions: