Free Dell DEE-1421 Exam Practice Questions & Explanations
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An administrator is investigating the performance of one of their Dell EMC Isilon clusters. Using the isi statistics drive command, the performance of the first five drives is shown.
Based on the exhibit, what represents the status of the drives?
A company uses a Dell EMC lsilon cluster to store greater than one billion files. The company often restores files from NDMP backups. When backup technology is recommended for the environment?
A company has a Dell EMC Isilon Gen 5 cluster with SSDs in each node. The administrator notices that L3 Cache is enabled on the cluster. However, the administrator does not notice any performance increase for the read I/Os. After further investigations, the administrator discovers that all read I/Os are more than 128K chunks.
Which recommendation should be provided to improve the read performance?
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 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?
A company has an existing Dell EMC 4-node X410 Gen 5 cluster with approximately 100 TB of SMB shares connected using two InfiniBand 8-port switches The company wants a technical refresh of the cluster with a new 4-node H5O0 Gen 6 cluster with two 16-port InrmiBand switches The existing cluster has SynclQ. SmartConnect Advanced and Smart Ports licenses installed
To move me data from the existing nodes to the new nodes, which migration plan is recommended?