Free D-ISM-FN-23 Exam Braindumps (page: 20)

Page 20 of 49

A Fibre Channel switch has eight ports and all ports must be operational from 8 AM to 8 PM, Monday through Friday. However, a failure of Port 2 occurs on a particular week as follows:

Monday = 10 AM to 12 PM Wednesday = 4 PM to 9 PM Thursday = 4 PM to 7 PM

Friday = 3 PM to 6 PM Saturday = 9 AM to 1 PM

What is the availability of Port 2 in that week?

  1. 70%
  2. 71.6%
  3. 78.3%
  4. 80%

Answer(s): B



A company plans to deploy a new application in their environment. The new application requires 5 TB of storage space. During peak workloads, the application is expected to generate 3000 IOPS with a typical I/O size of 3 KB. The capacity of each available disk drive is 750 GB. In addition, the maximum number of IOPS a drive can perform at with a 70% utilization is 90 IOPS.

What is the minimum number of disk drives needed to meet the application's capacity and performance requirements for a RAID 0 configuration?

  1. 7
  2. 34
  3. 50
  4. 40

Answer(s): A


Reference:

http://www.raid-calculator.com/default.aspx



An Ethernet switch has eight ports and all ports must be operational for 24 hours; from Monday through Friday. However, a failure of Port 5 occurs as follows:

Tuesday = 6 AM to 7 AM Thursday = 5 PM to 9 PM Friday = 8 AM to 9 AM

What is the MTBF of Port 5?

  1. 30 hours
  2. 32 hours
  3. 40 hours
  4. 38 hours

Answer(s): C


Reference:

https://www.sqconline.com/mtbf-calculator-results



Which type of zoning does the "X" represent?

  1. Fabric zoning
  2. WWN zoning
  3. Mixed zoning
  4. Port zoning

Answer(s): A



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