Download Specialist Implementation Engineer Isilon Solutions Exam.DES-1423.Pass4Sure.2019-12-17.40q.vcex

Vendor: Dell
Exam Code: DES-1423
Exam Name: Specialist Implementation Engineer Isilon Solutions Exam
Date: Dec 17, 2019
File Size: 27 KB
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Question 1
When reviewing the actual protection output of N+4/2, what does the number “4” represent?
  1. FEC stripe units per stripe
  2. Hard drives used per stripe
  3. Volume stripes per file system
  4. FEC stripe units per file system
Correct answer: A
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
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
Question 2
What defines FEC link aggregation mode?
  1. Switches to the next interface when the primary interface becomes unavailable.
  2. Balances outgoing traffic based on hashed protocol header information that includes source and destination addresses, and VLAN tag.
  3. Balances outgoing traffic based on hashed protocol header information that includes source and destination addresses.
  4. Balances outbound traffic across all active ports in the aggregated link.
Correct answer: B
Explanation:
Reference: http://doc.isilon.com/onefs/8.0.0/help/en-us/ifs_r_link_aggregation_methods.html
Reference: http://doc.isilon.com/onefs/8.0.0/help/en-us/ifs_r_link_aggregation_methods.html
Question 3
Which OneFS networking option enables Isilon for DNS multitenant functionality?
  1. Groupnet
  2. Access zone
  3. Pool
  4. Subnet
Correct answer: A
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/td-p/7152525
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
Question 4
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?
  1. 3
  2. 4
  3. 5
  4. 6
Correct answer: A
Explanation:
Reference: https://www.commoncriteriaportal.org/files/epfiles/383-7-148%20ST%20v1.0.pdf (9)
Reference: https://www.commoncriteriaportal.org/files/epfiles/383-7-148%20ST%20v1.0.pdf (9)
Question 5
On which node does the SSIP initially reside?
  1. Highest node ID
  2. Lowest node ID
  3. Lowest logical node number
  4. Highest logical node number
Correct answer: B
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-smartconnect-basic/
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 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?
  1. Activate SmartPools
  2. Enable GNA
  3. Enable Spillover
  4. Release VHS drives
Correct answer: A
Question 7
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?
  1. 2
  2. 3
  3. 4
  4. 6
Correct answer: D
Question 8
An Isilon administrator is receiving “permission denied” while accessing a file on a cluster that an end-user created through an SMB share. The end-user is unable to access the share from their UNIX server. 
The end-user “mydomain.com\win_user1” as the login name to access the Microsoft Windows share and then used an LDAP account name of “ux_user1” to access the UNIX mount. The Isilon cluster is joined to the “mydomain.com” Active Directory domain. In additional, the cluster has an LDAP provider attached to it while the on-disk identity is set as “Native”. 
What is a possible cause for this permission issue?
  1. Usermapping rule is not present.
  2. RFC2307 is not configured on the Active Directory.
  3. On-disk identity is set as “Native”.
  4. Fake UID generation in the cluster is disabled.
Correct answer: B
Question 9
An Isilon administrator has four H600 nodes and eight A2000 nodes in the cluster. The file pool policy is configured to have all new data written to the H600 nodes. After a few weeks, the administrator has some concerns about the available capacity on the H600 nodes. 
Which feature should be configured to accept writes, even after the H600 nodes become full?
  1. SmartPools
  2. GNA
  3. Virtual Hot Spare
  4. Spillover
Correct answer: D
Explanation:
Reference: https://groups.google.com/forum/#!topic/isilon-user-group/CpalY7Jy6Xs
Reference: https://groups.google.com/forum/#!topic/isilon-user-group/CpalY7Jy6Xs
Question 10
In an Isilon Gen 5 environment, what is the maximum number of data stripes for the N+3d:1n1d protection level?
  1. 15
  2. 16
  3. 18
  4. 20
Correct answer: B
Explanation:
Reference: https://community.emc.com/community/products/isilon/blog/2018/01/17/storage-efficiency-protection-overhead-vs-usable-capacity
Reference: https://community.emc.com/community/products/isilon/blog/2018/01/17/storage-efficiency-protection-overhead-vs-usable-capacity
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