QUESTION: 17

What is a requirement for the SRDF/Metro devices for an SRDF/Metro personality swap?

Must be RW on the link
Must be WD on the link
Must be in partitioned state
Must be in suspended state

Answer(s): A

Explanation:

For an SRDF/Metro personality swap, the SRDF/Metro devices must be Read/Write (RW) on the link. This ensures that data can be read from and written to the devices during the swap operation.

Reference:

SRDF/Metro overview | Dell EMC PowerMax and VMAX All Flash: SRDF/Metro Overview and Best Practices, Understanding bias | Dell EMC PowerMax and VMAX All Flash: SRDF/Metro Overview and Best Practices

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QUESTION: 18

An administrator is trying to view the SLO Compliance Report but is unable to find data for an issue that occurred 7 months ago.
What is the maximum retention period?

Last month
Last 2 weeks
6 months
3 months

Answer(s): C

Explanation:

The maximum retention period for the SLO Compliance Report is 6 months. This means that data older than 6 months will not be available in the report

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SRDF/Metro has been deployed and is operating normally. Maintenance tasks at the R1 data center require the array to be offline.
Which SRDF operation should be executed on the Metro RDF pairs to facilitate the planned outage without affecting application I/O?

Swap
Failover
Split with bias set to R2
Suspend with bias set to R2

Answer(s): A

Explanation:

When maintenance tasks at the R1 data center require the array to be offline, a Swap operation should be executed on the Metro RDF pairs. This operation allows for a planned outage without affecting application I/O by swapping the roles of R1 and R2 devices.

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QUESTION: 20

A storage administrator is investigating non-linear variations in throughput when zoning additional hosts to certain front-end adapters. They notice a certain performance characteristic having 10 identical hosts zoned to the same FA ports. After adding the 11th host, the throughput sometimes drops more than 20%.
What is the most likely cause of this behavior?

Average disk queue length on the hosts exceed 3
I/O sizes over 128 KiB are being used on the hosts
QFULL responses of the FA ports
System Write Pending > 75%

Answer(s): C

Explanation:

The most likely cause of this behavior is QFULL responses of the FA ports.
When additional hosts are zoned to certain front-end adapters, the FA ports may not be able to handle the increased I/O requests, resulting in QFULL responses. This can cause non-linear variations in throughput and sometimes a drop in throughput of more than 20%.

Reference:

Dell EMC PowerMax: Service Levels for PowerMaxOS

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Free DEE-1111 Exam Braindumps (page: 5)

QUESTION: 17

Explanation:

Reference:

QUESTION: 18

Explanation:

QUESTION: 19

Explanation:

QUESTION: 20

Explanation:

Reference: