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DEE-1421 Expert - Isilon Solutions Exam Questions and Answers

Questions 4

A company has two Dell EMC Isilon clusters. The source cluster is running OneFS 8.0.x and the target cluster is running OneFS 7.2.x with replication policies configured from the source to the target cluster. OneFS will not be upgraded on the target cluster.

After some time, the company decided to archive some of the data to ECS using CloudPools. One of the company’s concerns is how the archived data will be replicated using the existing SyncIQ policies. What is recommended approach to address the company’s concerns?

Options:

A.

Leverage the ECS replication technology to replicate the archived data.

B.

Starting OneFS 8.0, SyncIQ will replicate the data without retrieving it from ECS.

C.

Select the Deep Copy option in the SyncIQ policies to replicate the archived data.

D.

Upgrade the source cluster to OneFS 8.1.x to be able to replicate the archived data using SyncIQ.

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Questions 5

Case Study 4

A company is experiencing a noticeable decrease in performance when accessing data on their Dell EMC Isilon cluster. The cluster hosts Microsoft Windows home directories and general purpose file shares. In addition, a file pool policy moves data that has not been modified in six months to an achieve tier. The administrator wants your assistance in understanding the reason for the slow data access. The number of users accessing the cluster has not changed. The administrator has shared the following baseline metrics. The outputs were captured from a performance- acceptable time frame.

Trace route shows:

-3 hops between clients and the cluster

-Average latency is 3 ms

Iperf shows:

-940 Mb/s average bandwidth

-005 ms average jitter

Netstat on the local network shows:

-05% average re-transmission rate

Hostcache list:

-20 ms average roundtrip time across all clients

The administrator shows you the details of the hostcahce.list output. The output indicates that the top clients on the list have an average of 242 ms round trip time. Based on the output, what information should be provided to the administrator?

Options:

A.

An increase in the average round trip time indicates a network problem.

B.

Only the aggregate of all average round trip times will indicate an issue.

C.

An average round trip time less than 300 ms is in the acceptable range.

D.

Recalculate and re-populate round trip times by using isi_cbind clear command.

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Questions 6

A company has a Dell EMC Isilon cluster that will be used for a large amount of client requests. SmartConnect has been configured to help load balance the clients across the cluster. How does SmartConnect help the load balancing?

Options:

A.

Forwarding DNS requests.

B.

Caching lookup requests.

C.

Directing the connections to different nodes.

D.

Dynamically updating changes to DNS.

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Questions 7

An IT team is implementing a disaster recovery solution. A Dell EMC Isilon cluster will replicate production data from the existing primary cluster to a planned secondary cluster. The primary cluster is licensed for SmartLock Enterprise whereas the secondary cluster is not.

A SmartLock enterprise type directory on the primary cluster is planned for replication. SyncIQ is used to replicate the data. What is a key consideration when replacing the WORM domain?

Options:

A.

Secondary cluster must be licensed for SmartLock Enterprise.

B.

Retention dates and commit status are lost on the target directory.

C.

Files on the primary cluster cannot be committed to a WORM state.

D.

A failback will cause a second copy of the data on the primary cluster.

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Questions 8

Case Study 4

A company is experiencing a noticeable decrease in performance when accessing data on their Dell EMC Isilon cluster. The cluster hosts Microsoft Windows home directories and general purpose file shares. In addition, a file pool policy moves data that has not been modified in six months to an achieve tier. The administrator wants your assistance in understanding the reason for the slow data access. The number of users accessing the cluster has not changed.

The administrator has shared the following baseline metrics. The outputs were captured from a performance- acceptable time frame.

Trace route shows:

-3 hops between clients and the cluster

-Average latency is 3 ms

Iperf shows:

-940 Mb/s average bandwidth

-005 ms average jitter

Netstat on the local network shows:

-05% average re-transmission rate

Hostcache list:

-20 ms average roundtrip time across all clients

The administrator shows the following traceroute output:

  • 6 hops between clients and the cluster
  • Average latency is 84 ms

Based on the output, what information should be provided the administrator?

Options:

A.

Number of hops and average latency is acceptable for the workflow

B.

Number of hops may indicate a weakness in the network model

C.

Average latency indicates excessive deadlock events

D.

Numbers indicate a significant increase in client connections

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Exam Code: DEE-1421
Exam Name: Expert - Isilon Solutions Exam
Last Update: Jun 17, 2024
Questions: 60
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