E20-542 Exam Questions

A storage administrator attempts to link a TimeFinder SnapVX snapshot to a target Storage Group using Unisphere for VMAX. Which Storage Groups (SGs) will be available?

A VMAX3 customer has linked a TimeFinder SnapVX snapshot to a target in Copy mode. The copy has completed. Which operation will disassociate the linked target and provide a full us...

You are planning a migration from a VMAX to a new VMAX3. What will allow SRDF device pairing when the source device is configured with an odd number of cylinders?

A storage administrator needs to add three newly created RDF devices into an already existing asynchronous SRDF group. What are the appropriate steps to achieve this goal?

During a scheduled outage of the primary site (R1), a company is operating their production on their disaster recovery site (R2). After the outage, they need to move production bac...

After performing a SRDF restore operation, what is the link state?

Two RDF groups from two VMAX3 arrays have been added to a RDF Consistency Group. SRDF/A Multi-Session Consistency (MSC) has been enabled for the Consistency Group. The RDF daemon h...

SRDF/A has been enabled between two VMAX3 arrays. Due to a loss of all RDF links, the SRDF/A session has been placed in a Transmit Idle state. What happens to cycle switching and t...

From an application perspective, what should be done prior to performing an SRDF restore operation?

From an application perspective, what should be done prior to performing an SRDF failback operation?

SRDF/A has been enabled between two VMAX3 arrays. What will the RDF pair state be if there is a permanent loss of all RDF links?

SRDF/A has been enabled between two VMAX3 arrays. An extended loss of all RDF links occurs. What will the RDF pair state be after link connectivity is restored?

After an SRDF failover operation, production work has been moved to the remote site. A large number of invalid tracks have accumulated that need to be synchronized back to the R1 v...

What are the default percentages of RA CPU resource distribution for SRDF Synchronous, Asynchronous, and Adaptive Copy modes on VMAX3 arrays?

What is a valid RDF device pair state to invoke an SRDF suspend operation?

What happens when SRDF/A DSE begins to spill tracks in VMAX3?

What is the effect of SRDF/A enhanced group-level pacing on a VMAX3?

Which database does Unisphere for VMAX 8.0 use for Performance Analyzer?

What is the EMC_smasdb service on a Unisphere for VMAX Windows server?

A storage administrator wants to verify the state of the SLO compliance application data hosted on a VMAX3. Where can the information be found in Unisphere for VMAX?

Which options can be selected in System Registrations for performance data collection in Unisphere for VMAX version 8.0?

A VMware administrator has been tasked with managing storage for an ESXi cluster connected to a VMAX3 array. The VMware administrator is not familiar with Unisphere for VMAX and wa...

A VMware administrator has been tasked with managing storage for an ESXi cluster connected to a VMAX3 array. The administrator is not familiar with Unisphere for VMAX and wants to...

Other than VMware ESXi, which type of virtual servers can be discovered in Unisphere of VMAX?

You are in a meeting with a customer describing the features of VMAX3 arrays. The customer wants to know more about VMAX3 configuration changes that can be performed with Unisphere...

You are in a meeting with a customer describing the features of VMAX3 arrays. The customer wants additional information about the VMAX3 factory pre-configuration. Which objects are...

Which SRDF/A feature provides increased replication resiliency from temporary spikes in write workloads or link loss?

Unisphere for VMAX was recently installed and the default HTTPS port was used. What must be done in order to change the default port?

What is the recommended maximum distance for an SRDF/S solution?

Which objects are pre-configured at the factory in a VMAX3 array?

Which VMAX3 FAST data movement algorithms are performance related?

You are proposing a VMAX3 solution with mixed drive types to a customer. The customer wants to understand the relationship between Service Level Objectives and drive types. Which d...

You are proposing a VMAX3 solution with mixed drive types to a customer. The customer wants to understand the relationship between Service Level Objectives and drive types. Which d...

You are in a meeting with a customer to discuss virtual provisioning on VMAX3 arrays. The customer wants information on extent allocation during thin device creation. How many exte...

You are in the process of designing a VMAX3 solution for a customer. The customer has concerns about which SLO should be set for the applications that will be stored on the new arr...

You are in the process of designing a VMAX3 solution for a customer. The customer has concerns about which SLO should be set for the applications that will be migrated from an exis...

You are in the process of designing a VMAX3 solution. One of the applications requires performance equivalent to Flash disks. Which Service Level Objective should be recommended?

You are discussing the design of a VMAX3 solution with a customer. The customer wants to know the difference between a FAST managed Storage Group and a non- FAST managed Storage Gr...

You are discussing the design of a VMAX3 solution with a customer. The customer wants information about the performance data collected for FAST. At which levels are FAST performanc...

You are in a meeting with a customer discussing virtual provisioning on VMAX3 arrays. The customer wants information on Storage Resource Pool allocation management. What is the bas...

You are discussing VMAX3 FAST algorithms with a customer. The customer wants to know more about the relationship between the Service Level Objectives and the algorithms. Which algo...

A customer has an existing Masking View on a VMAX3 for a large server cluster. The parent Storage Group in this Masking View has several child Storage Groups with different SLOs. T...

A storage administrator uses Unisphere for VMAX to provision new Storage Groups on a VMAX3 array. Which Workload Type is recommended for small block I/O workloads?

How does the VMAX3 Platinum Service Level Objective (SLO) differ from the Optimized Service Level Objective?

A VMAX3 parent Storage Group (SG) contains two child SGs: SG1 and SG2. What is a valid Host I/O bandwidth limit setting for this configuration?

A VMAX3 parent Storage Group (SG) contains two child SGs: SG1 and SG2. What is a valid Host I/O limit setting for this configuration?

You are in a meeting with a customer to discuss storage provisioning on VMAX3 arrays. What is a consideration for Autoprovisioning Groups on VMAX3 arrays?

A VMAX3 customer has an existing Masking View for a large database environment. The parent Storage Group in this Masking View has three child Storage Groups with different SLOs. Th...

A VMAX3 Storage Group has Host I/O limits set at 10,000 IOPs. The Port Group contains four ports across different directors. The Dynamic Distribution is set to "OnFailure". What is...

A VMAX3 Storage Group has Host I/O limits set at 10,000 IOPs. The Port Group contains four ports across different directors. The Dynamic Distribution is set to "Always". What is th...