Specialist, Systems Administrator | Isilon Solutions Exam

Question 1

What is the result of mapping POSIX mode bits to a Microsoft Windows ACL on an Isilon cluster?

A. No ownership information is lost

B. Process creates a real ACL

C. Multiple user ACEs are collapsed into a single ACE

D. Security of the file may be increased

Correct Answer: A

Question 2

What is a characteristic of L3 cache on an Isilon cluster?

A. Only holds file data that has been stored on SSD drives

B. Must be the same size as the L2 cache

C. Contents will be persistent through a node reboot

D. Accessed only by clients connecting to the node it is on

Correct Answer: C

Question 3

If an Isilon has been integrated into an existing Hadoop environment, what explains how the HDFS data will be distributed?

A. HDFS data on Isilon and computations will be handled by Hadoop

B. HDFS data remains on Hadoop; computations is handled by Isilon

C. MapReduce on the Isilon allows data to be distributed across both platforms

D. Files are stored in a specialized HDFS compatible file system format on the Isilon cluster

Correct Answer: A

Question 4

A storage administrator has just configured a newly acquired Isilon cluster. The administrator connected to the console port of Node 1 and created subnets, pools, and two access zones called "Blue" and "Green".
The administrator then created shares in zone "Blue" and is able to access the shares from their Microsoft Windows clients. In addition, the administrator created exports in the "Green" zone and is able to access the exports from their UNIX clients. However, the administrator is unable to SSH into the cluster and login as root.
What is a possible cause for this issue?

A. No failover address was configured for the InfiniBand network

B. No authentication providers are defined in the "Blue" and "Green" access zones

C. No interfaces exist in the System zone

D. A local user "root" needs to be created

Correct Answer: C

Question 5

Which mechanisms can provide real time notification of Isilon events?

A. isi_gather_info, SNMP set, and SupportIQ

B. SupportIQ, isi statistics, and SNMP polling

C. SNMP traps, SNMP set, and SNMP polling

D. ESRS, SNMP traps, and SMTP

Correct Answer: D

Question 6

A storage administrator is using an Isilon cluster with a large number of clients accessing the same data. Which data layout is best suited for this workflow?

A. Mixed

B. Concurrency

C. Streaming

D. Random

Correct Answer: B

Question 7

Which jobs are used to help distribute file data across an Isilon cluster?

A. IntegrityScan, TreeDelete, AutoBalance, and SetProtectPlus

B. AutoBalance, IntegrityScan, Multiscan, and ShadowStoreProtect

C. AutoBalance, AutoBalanceLin, FlexProtect, and SmartPools

D. MediaScan, Collect, QuotaScan, and AVScan

Correct Answer: C

Question 8

When configuring an NFS export on an Isilon cluster, what is the default mapping for the root account?

A. User-defined during cluster setup

B. Root-to-admin

C. Root-to-root

D. Root-to-nobody

Correct Answer: D

Question 9

Which Isilon protection setting will require the least percentage of overhead for a 1024KB file?

A. N+2d:1n in a 4-node node pool

B. N+3d:1n in a 5-node node pool

C. N+2n in a 10-node node pool

D. N+1n in a 4-node node pool

Correct Answer: C

Question 10

Which type of information does Isilon InsightIQ display without enabling FSA?

A. Data usage

B. Network performance

C. Maximum file size

D. Node queue depth

Correct Answer: B

EMC Specialist, Systems Administrator | Isilon Solutions - E20-559 Exam Practice Test

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