DES-1423 Online Practice Questions and Answers

When reviewing the actual protection output of N+4/2, what does the number "4" represent?

A. FEC stripe units per stripe

B. Hard drives used per stripe

C. Volume stripes per file system

D. FEC stripe units per file system

An Isilon cluster has four H500 nodes. Data protection and access are set to N+1 and concurrency respectively. How many drives will be used across the disk pool to protect a 1 MB file?

A. 4

B. 8

C. 10

D. 11

A company's Isilon cluster has reached the capacity limit. The cluster consists of eight H500 nodes in a single node pool. Which action can be taken to resolve the capacity issue while new nodes are being delivered?

A. Activate SmartPools

B. Enable GNA

C. Enable Spillover

D. Release VHS drives

A company has a 4-node Isilon H600 cluster dedicated for a high-performance workflow. The administrator wants to convert their cluster SSD strategy from L3 cache to use the SSDs for metadata acceleration.

What should be considered?

A. Migration of data and metadata from the SSDs to HDDs can take hours.

B. Once enabled, the L3 cache cannot be disabled without support assistance.

C. Converting to use SSDs for metadata acceleration turns off prefetching.

D. Deselecting L3 cache for an SSD strategy has no impact to the workflow.

In an Isilon Gen 5 environment, what is the maximum number of data stripes for the N+3d:1n1d protection level?

A. 15

B. 16

C. 18

D. 20

When using NIC aggregation, which configuration is supported in an Isilon Gen 5 environment?

A. ext-1 and ext-2 of node 1 aggregated together

B. ext-1 and 10gige-1 of node 1 aggregated together

C. 10gige-1 port of node 1 and 10gige-1 of node 2 aggregated together

D. ext-1 port of node 1 and ext-1 port of node 2 aggregated together

An Isilon administrator wants to minimize the use of root/admin access to their cluster. In additional, the administrator wants to create specific administrative accounts for specific cluster management activities in different access zones. An administrator of one zone should be able to view or configure objects in a different zone.

Which action will address the administrator's requirements?

A. Create ZRBAC role for each zone administrator.

B. Create ZRBAC role for the administrator on all access zone.

C. Create a separate management subnet for each administrator.

D. Create an unique role in the System zone for each administrator.

What is the main functions(s) of the Automatic Replacement Recognition (ARR) feature?

A. Updates the new drive firmware and adds it to the cluster.

B. Formats the new drive and adds it to the cluster.

C. Formats the drive, adds it to the cluster, and updates the drive firmware.

D. Replaces the new drive support package in the cluster.

Which data access pattern makes the prefetch caching algorithm to be highly aggressive?

A. Random

B. Parallel

C. Concurrency

D. Streaming

An Isilon administrator wants to create a new SMB share to an existing directory structure. The directory contains migrated production data and has an active NFS export. What will happen if the administrator selects the "Apply Windows default ACLs" option during creation?

A. Windows default ACLs are overwritten by the existing mode bit rights.

B. Existing mode bit rights are overwritten by the Windows default ACLs.

C. Windows default ACLs are merged with the existing mode bit rights.

D. Creation of the SMB share fails due to the existing mode bit rights.