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EMC E20-655 Dumps

EMC E20-655 Practice Exam Questions

Isilon Specialist Exam for Platform Engineers

Total Questions : 111
Update Date : August 15, 2026
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EMC E20-655 Sample Question Answers

Question # 1

In a 4-node cluster using N+3:1 protection, how much is the overhead?

A. 25%
B. 50%
C. 300%
D. 100%



Question # 2

In a 4-node cluster using N+2 protection, how much is the overhead?

A. 50%
B. 25%
C. 200%
D. 100%



Question # 3

You run the command "isi get -DD /ifs/data/foo.txt" on a 4 node cluster. The displayed results indicate a protection level of 6+2/2. What statement best describes 6+2/2?

A. Protection level of N+2:1; Contains 6 data stripes units and 2 FEC stripe units; Written to 2 drives per node
B. Protection level of N+2:1; Contains 8 data stripe units and 2 FEC stripe units; Written to 2 drives per node
C. Protection level of N+2: Contains 8 data stripe units and 2 FEC stripe units; Written to 1 drive per node
D. Protection level of N+1: Contains 6 data stripe units and 1 FEC stripe unit; Written to 1 drive per node



Question # 4

Referring to the data protection formula N+M, what does the M stand for?

A. Number of protection stripe units
B. Number of data stripe units
C. Number of nodes in the node pool
D. Number of nodes the file is striped across



Question # 5

Referring to the data protection formula N+M, what does the N stand for?

A. Number of data stripe units
B. Number of protection stripe units
C. Number of nodes in the node pool
D. Number of nodes the file is striped across