E20-515 Exam Questions

What could be a reason for a TimeFinder/Snap session to be placed in a failed state?

What is a recommended configuration to improve performance when creating a TimeFinder/Snap Save Pool?

A customer intends to implement TimeFinder/Snap. What is the required target volume type?

Which process does TimeFinder/Snap use?

What must be included in the calculations as to how much cache to purchase and configure for TimeFinder/Snap?

Which type of restore operation can be performed for TimeFinder/Snap copy sessions taken from a standard device?

A VMAX administrator has excess capacity in a Snap pool. How can this excess space be reallocated to other enabled devices in the same Snap pool?

What must be considered when a host has XtremSW Cache installed and SRDF functionality is required for its volumes?

FAST VP coordination for SRDF Device Pairs is enabled/disabled at what level?

What will happen if one or more source (R1) devices in an SRDF/S consistency group cannot propagate data to their corresponding target (R2) devices?

A customer creates a device group on the source array using the command "symdg create Replication_dg". However, they are unable to add RDF source devices to that group. What could...

A major bank has a requirement to have 2 remote synchronous mirrors for a production database and would like to use SRDF/S between the 3 Symmetrix arrays. What is a configuration r...

Which RDF state in an SRDF/S environment will allow a swap operation?

SRDF/S has been implemented between two VMAX 40K arrays. The R1 devices are also actively cached by XtremSW Cache. As part of a test the R1 devices have been failed over. The failb...

What is the purpose of the SRDF/A"Transmit Idle" feature?

What is an advantage of SRDF/A over traditional write ordering implementation of asynchronous replication?

In what two SRDF states, will the R2 device be Read/Write enabled?

After the tracks are synchronized between R1 and R2 devices, how many cycle-switches should occur for R2 to become consistent with R1, when you change RDF mode from ACP_DISK to ASY...

What is a feature of SRDF/A Group-Level Write Pacing?

A customer lost the connection between two arrays that were using SRDF/A. As a result there are a large number of invalid tracks. What can the customer do to minimize impact to the...

Which Symmetrix feature allows the use of pools to off load data from cache when using SRDF/A?

Which feature should be used to create a TimeFinder/Snap of an SRDF/A R2 device?

What is the default value of SRDF/A session priority?

A customer is planning to use SRDF/S for disaster recovery (DR) of their VMware vSphere VMFS datastores. TimeFinder/Clone will be used at the DR site to replicate the R2 devices. T...

An administrator would like to replicate a VMware VMFS volume with TimeFinder and wants the copied VMFS volume to be presented to the same host as the original VMFS volume. Using t...

What is an example of a default behavior when a VMFS replica is presented to a ESXi Host or Cluster?

TimeFinder/Clone will be used to replicate a VMware VMFS datastore. The Clone target device will be presented to a secondary ESXi server. What will happen by default when a rescan...

How can you mount a TimeFinder replica on an ESXi host, when the R2 device is also seen by the same host?

SRDF has been used to replicate a VMFS volume to a disaster recovery site. When a VMware administrator uses the Add Storage Wizard at the disaster recovery site, only the 'Format t...

A TimeFinder/Clone replication of a VM which only has RDMs has been completed. What VMware file is critical for bringing up the VM on the secondary ESXi server with the replica RDM...

When creating a new Symmetrix logical volume with SYMCLI, which unit can be used to specify the size?

What is the maximum number of initiators allowed per initiator group on a Symmetrix VMAX array?

What is the status of a Symmetrix VMAX thin device before it is bound to a thin pool?

Which two TimeFinder/Clone actions are initiated by performing a symclone establish operation?

What is the data loss potential in a synchronous SRDF configuration?

Which devices are required for storing original tracks for TimeFinder/Snap operations?

Refer to the exhibit. Which action can one perform from this Unisphere for VMAX screen as related to Volume Set Addressing?

What is required for Open Replicator hot push or pull operations?

A customer is planning a data migration from a DMX to a VMAX. They have a limited maintenance window for the cutover which will not allow enough time for a full synchronization. Wh...

In an Open Replicator environment data will be migrated from a DMX to a VMAX. The average utilization of the FA ports is less than 50%. The hot push method will be used. Which Open...

A customer reports that an Open Replicator session is not copying data from the control devices fast enough. They have not changed the default settings. What action will improve mi...

What are the appropriate names for devices in a Open Replicator migration?

A customer would like to perform a data migration from a CLARiiON to a VMAX and they would like to control the migration from the VMAX. Which EMC product will you recommend?

An error occurred with an active FLM session between a donor DMX and a VMAX causing an automatic fail back. What is the current state?

Which Open Replicator operation does Federated Live Migration use?

Federated Live Migration will be used to migrate data from a Symmetrix DMX to a Symmetrix VMAX 40K array. What happens when the Federated Live Migration session is created?

An application host is zoned to FAs 7E:0 and 10E:0. The RecoverPoint appliances are zoned to FAs 8E:0 and 11E:0 of the same VMAX 10K. LUNs have been masked to the RecoverPoint appl...

Which underlying product is used by the Symmetrix RecoverPoint splitter?

Where on a Symmetrix is the I/O split for RecoverPoint?

What is a requirement for using the Symmetrix RecoverPoint splitter?