Pass the EMC Implementation Engineer E20-260 Questions and answers with CertsForce

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Questions # 21:

Which VPLEX volume contains virtual-to-physical mapping information?

Options:

A.

Logging volume


B.

Metadata volume


C.

Virtual volume


D.

Repository volume


Expert Solution
Questions # 22:

Refer to the exhibit.

Question # 22

The customer has not followed EMC best practices when cabling their VS2 VPLEX engine. You are asked how to re-cable the engine to adhere to best practices. What is your response?

Options:

A.

Swap port 00 with port 01 of module A0-FE and B0-FE.


B.

Swap port 00 with port 01 of module A1-BE and B1-BE.


C.

Swap port 02 with port 03 of module A0-FE and B0-FE.


D.

Swap port 02 with port 03 of module A1-BE and B1-BE.


Expert Solution
Questions # 23:

You have added a new storage array to your environment, but VPLEX, does not see it. Which VPlexcli command will display the new storage array?

Options:

A.

clusters/cluster-/storage-elements/storage-arrays/array re-discover


B.

/array claim -s


C.

/clusters/cluster-//storage-elements/storage-arrays>array used-by-array


D.

connectivity validate-be


Expert Solution
Questions # 24:

When creating logging and metadata volumes, which LUN requirement applies to both?

Options:

A.

Array LUNs must be zeroed-out.


B.

Array LUNs must be RAID-need a number here


C.

Array LUNs must be thin.


D.

Array LUNs must be RAID-need a number here


Expert Solution
Questions # 25:

An EMC customer wants to add a mirror to a VPLEX Local RAID 0 device. Which RAID type is created after the device attach-mirror command is issued?

Options:

A.

RAID 1


B.

RAID 0


C.

RAID S


D.

RAID C


Expert Solution
Questions # 26:

A logging volume needs to be migrated to a new array.

Which command must be used to associate the distributed devices to the new logging volume?

Options:

A.

logging activate


B.

ds dd set-log


C.

logging volume move


D.

dm migration


Expert Solution
Questions # 27:

A customer has purchased a dual engine VPLEX Metro cluster. During installation, there are not enough free SAN ports to connect all WAN-COM ports to the SAN. What is the recommended approach?

Options:

A.

The customer must connect the WAN-COM ports of the first engine only and disable the second engine from the VPLEX CLI.


B.

It is sufficient to connect the WAN-COM ports of either engine 1 or 2 because redundancy is provided by leveraging two separate SAN fabrics.


C.

The customer must provide additional SAN ports or acquire additional SAN ports to connect all WAN-COM ports of both VPLEX engines to the SAN.


D.

The customer must connect the WAN-COM ports of the first engine only and disable the second engine from the Unisphere for VPLEX GUI.


Expert Solution
Questions # 28:

You need to claim storage that is presented to VPLEX from a VNX. What is required in order to create the mapping file needed by the VPLEX Claim Storage Wizard?

Options:

A.

A host with solutions enabler installed and zoned to SPA and SPB


B.

The user name, password and management address of the VNX


C.

A host with WinSCP installed, with an IP connection to the VPLEX Management Server


D.

The username and password of the VPLEX Management Server


Expert Solution
Questions # 29:

How can you throttle the migration rate for VPLEX?

Options:

A.

By configuring the maximum copy speed


B.

By setting the copy policy


C.

This is done automatically without any user action


D.

By dynamically changing the I/O write size for copying


Expert Solution
Questions # 30:

Which is a best practice recommended for VPLEX Metro inter-cluster WAN settings?

Options:

A.

Allow auto-negotiation to select the optimal transmission rate


B.

Always use the defaults


C.

Always set the MTU to 9000


D.

Tune the network parameters according to the specifics of the configuration


Expert Solution
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