EMC DCS-IE DES-1423 Questions & Answers

• Question 51:

  A company has an existing 8-node F800 Isilon cluster with two Z9100 Dell Ethernet back-end switches running on OneFS 8.2.0. The company is planning to add 72 A200 nodes into the cluster. What is the minimum number of additional switches required to support the configuration?

  A. 2

  B. 3

  C. 4

  D. 6

  Correct Answer: D

• Question 52:

  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.

  Correct Answer: C

  Reference: https://technodocbox.com/69495789-Databases/Storage-tiering-with-dell-emc-isilon-smartpools.html

• Question 53:

  Which role-based privilege must be granted to a user before they are allowed to log into the web administration interface?

  A. ISI_PRIV_AUTH

  B. ISI_PRIV_LOGIN_PAPI

  C. ISI_PRIV_CLUSTER

  D. ISI_PRIV_LOGIN_CONSOLE

  Correct Answer: A

  Reference: https://mydocuments.emc.com/pub/en-us/isilon/onefs/7.2.1/ifs-pub-administration-guide-cli/07-br-configuration-access-control.htm

• Question 54:

  What is the recommended number of delegations for a SmartConnect zone name for each SmarConnect zone alias on a cluster?

  A. 1

  B. 2

  C. 3

  D. 4

  Correct Answer: D

• Question 55:

  Which command shows the node running as the job coordinator?

  A. isi job statistics

  B. isi job status

  C. isi job status -v

  D. isi job statistics view -v

  Correct Answer: C

  Reference: http://doc.isilon.com/onefs/8.2.0/cli/ifs_r_isi_job_status_view.html

• Question 56:

  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

  Correct Answer: A

• Question 57:

  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

  Correct Answer: A

• Question 58:

  On which node does the SSIP initially reside?

  A. Highest node ID

  B. Lowest node ID

  C. Lowest logical node number

  D. Highest logical node number

  Correct Answer: B

  The SmartConnect Service IP (SSIP) will always reside on the lowest node (that is available) in the cluster (Node1 in most cases). This IP does not move between nodes until the lowest node number goes offline (planned/unplanned). Reference: http://www.jasemccarty.com/blog/configuring-emc-isilon-smartconnect-part-i-smartconnect-basic/

• Question 59:

  A company wants to re-use HD400 nodes into a new cluster with OneFS 8.2.0. What is the minimum number of HD400 nodes required?

  A. 3

  B. 4

  C. 5

  D. 6

  Correct Answer: A

  Reference: https://www.commoncriteriaportal.org/files/epfiles/383-7-148%20ST%20v1.0.pdf (9)

• Question 60:

  Which OneFS networking option enables Isilon for DNS multitenant functionality?

  A. Groupnet

  B. Access zone

  C. Pool

  D. Subnet

  Correct Answer: A

  Groupnets are designed to enable multi-tenant DNS support per access zone.

  Reference: https://www.dell.com/community/Isilon/Multiple-groupnets-using-the-same-subnet/td-p/7152525