E20-542 Exam Questions
141 real E20-542 exam questions with expert-verified answers and explanations. Page 1 of 3.
- Question #1
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?
- Question #2
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...
- Question #3
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?
- Question #4
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?
- Question #5
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...
- Question #6
After performing a SRDF restore operation, what is the link state?
- Question #7
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...
- Question #8
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...
- Question #9
From an application perspective, what should be done prior to performing an SRDF restore operation?
- Question #10
From an application perspective, what should be done prior to performing an SRDF failback operation?
- Question #11
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?
- Question #12
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?
- Question #13
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...
- Question #14
What are the default percentages of RA CPU resource distribution for SRDF Synchronous, Asynchronous, and Adaptive Copy modes on VMAX3 arrays?
- Question #15
What is a valid RDF device pair state to invoke an SRDF suspend operation?
- Question #16
What happens when SRDF/A DSE begins to spill tracks in VMAX3?
- Question #17
What is the effect of SRDF/A enhanced group-level pacing on a VMAX3?
- Question #18
Which database does Unisphere for VMAX 8.0 use for Performance Analyzer?
- Question #19
What is the EMC_smasdb service on a Unisphere for VMAX Windows server?
- Question #20
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?
- Question #21
Which options can be selected in System Registrations for performance data collection in Unisphere for VMAX version 8.0?
- Question #22
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...
- Question #23
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...
- Question #24
Other than VMware ESXi, which type of virtual servers can be discovered in Unisphere of VMAX?
- Question #25
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...
- Question #26
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...
- Question #27
Which SRDF/A feature provides increased replication resiliency from temporary spikes in write workloads or link loss?
- Question #28
Unisphere for VMAX was recently installed and the default HTTPS port was used. What must be done in order to change the default port?
- Question #29
What is the recommended maximum distance for an SRDF/S solution?
- Question #30
Which objects are pre-configured at the factory in a VMAX3 array?
- Question #31
Which VMAX3 FAST data movement algorithms are performance related?
- Question #32
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...
- Question #33
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...
- Question #34
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...
- Question #35
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...
- Question #36
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...
- Question #37
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?
- Question #38
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...
- Question #39
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...
- Question #40
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...
- Question #41
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...
- Question #42
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...
- Question #43
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?
- Question #44
How does the VMAX3 Platinum Service Level Objective (SLO) differ from the Optimized Service Level Objective?
- Question #45
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?
- Question #46
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?
- Question #47
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?
- Question #48
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...
- Question #49
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...
- Question #50
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...