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DELL EMC DES-1423 問題練習

Specialist - Implementation Engineer, Isilon Solutions Exam 試験

最新更新時間: 2024/03/19,合計68問。

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Question No : 1
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?

正解:

Question No : 2
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?

正解:
Explanation:
Reference: https://technodocbox.com/69495789-Databases/Storage-tiering-with-dell-emc-isilon­smartpools.html

Question No : 3
Which role-based privilege must be granted to a user before they are allowed to log into the web administration interface?

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

Question No : 4
What is the recommended number of delegations for a SmartConnect zone name for each SmarConnect zone alias on a cluster?

正解:

Question No : 5
Which command shows the node running as the job coordinator?

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

Question No : 6
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?

正解:

Question No : 7
DRAG DROP
Refer to the Exhibit.



In an Isilon environment, match the connectivity type to the proper numerical port reference shown in the exhibit.



正解:

Question No : 8
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?

正解:

Question No : 9
On which node does the SSIP initially reside?

正解:
Explanation:
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-smartconnect­basic/

Question No : 10
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?

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

Question No : 11
Which OneFS networking option enables Isilon for DNS multitenant functionality?

正解:
Explanation:
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/td­p/7152525

Question No : 12
In Isilon OneFS, what is a characteristic of CoW with snapshots?

正解:
Explanation:
With copy on write, as the name suggests, a new write to HEAD results in the old blocks being copied out to the snapshot version first. Although this incurs a double write penalty, it results in less fragmentation of the HEAD file, which is better for cache prefetch, etc. Typically, CoW is most prevalent in OneFS and is primarily used for small changes, inodes and directories.
Reference: https://www.dellemc.com/resources/en-us/asset/white-papers/products/storage/h15048-wp­next-gen-data-protection-snapshot-iq.pdf

Question No : 13
What defines FEC link aggregation mode?

正解:
Explanation:
Reference: http://doc.isilon.com/onefs/8.0.0/help/en-us/ifs_r_link_aggregation_methods.html

Question No : 14
What impact can obsolete drive firmware have on an Isilon cluster?

正解:
Explanation:
Reference: http://doc.isilon.com/onefs/7.2.0/help/en-us/GUID-398C2422-1CA5-4AE0-8F3D­09F589C82E6E.html

Question No : 15
When reviewing the actual protection output of N+4/2, what does the number “4” represent?

正解:
Explanation:
It's OneFS FEC protection nomenclature for our "hybrid" protection polices. More generally, it's written as: N+M/b where "N" is the number of data stripe units in a stripe, "M" is the number of FEC stripe units in a stripe, and "b" is the number of stripe units in a stripe which are allowed to reside on the same node.
Reference: https://www.dell.com/community/Isilon/Isi-get-output/td-p/7085467

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