E20-260 Exam Questions
227 real E20-260 exam questions with expert-verified answers and explanations. Page 1 of 5.
- Question #1
What three elements are part of the VPLEX Storage View?
- Question #2
A host attempted a read from a volume in a VPLEX Metro configuration. The data does not exist in cache at all. What process does VPLEX use to service the read request?
- Question #3
In the distributed cache architecture, how much local cache does a VS2 director have?
- Question #4
Which command allows you to navigate vplexcli history by string?
- Question #5
Which command-line option can be invoked within VPlexcli as a task to recognize and use new LUNs provisioned to a cluster?
- Question #6
In which directory is a session log file created whenever the Management Console is launched?
- Question #7
You are using VPLEX Unisphere to perform management functions in your environment. You are tasked with creating several volume migrations to a new storage array. What tab should yo...
- Question #8
Following EMC best practices, what information is required to register a VPLEX on an ESRS portal?
- Question #9
When inspecting a VS1 director's status LEDs, you see that a status LED is blue. What does this indicate?
- Question #10
You are preparing a site for a large Metro VPLEX cluster. The storage administrator wants to prepare the storage network configuration and needs to ensure easy troubleshooting of s...
- Question #11
You are preparing a site for a large Metro VPLEX cluster. The storage administrator wants to prepare the storage network configuration and needs to ensure easy troubleshooting of s...
- Question #12
What can you use to generate a list of VPLEX fabric initiator and target identifiers?
- Question #13
When configuring a VPLEX local cluster, according to EMC best practices, how many metadata volumes are required?
- Question #14
You are configuring a single engine VPLEX Metro to support both local and distributed volumes. The VPLEX will utilize 10Gb WAN-COM modules in a routed configuration. According to E...
- Question #15
Which VPLEX component is configured with a public IP address during the installation process?
- Question #16
You are configuring an FC Switch for a VPLEX implementation using VS2 engines. What is the required speed setting for the switch ports connected to the VPLEX FE ports in order to a...
- Question #17
What are the recommended protection and disk type when selecting a VPLEX Logging Volume?
- Question #18
In addition to Active Directory, with what other directory service can VPLEX integrate for user authentication?
- Question #19
A customer has ordered a two-engine VPLEX cluster to be installed in a custom rack. A minimal VNX5300 is already installed in the middle of the rack, occupying nine rack unit space...
- Question #20
What information is required to configure ESRS for VPLEX?
- Question #21
According to EMC best practices, how many metadata volumes for a VPLEX Metro configuration are required on each cluster?
- Question #22
Which VPLEX management NIC Interface must be connected to customer IP public LAN?
- Question #23
Which VPLEX management interface is used for initial configuration?
- Question #24
Where is the wwn-seed physically located on VS2 engines?
- Question #25
A customer has ordered a new VPLEX, and you are on site doing the initial installation. When creating metadata volumes for the VPLEX Local configuration, the customer asks you how...
- Question #26
You are zoning a dual-engine Local VPLEX cluster to a Symmetrix array to see LUNs 0010 and 0020 for metadata backups. How many directors in the cluster must be zoned and masked to...
- Question #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 recommende...
- Question #28
What is the EMC best practice for the optimum number of back-end storage paths per director presented to a LUN?
- Question #29
When configuring a RAID-1 logging volume, what flags must be used in the command line?
- Question #30
What is EMC's best practice for fault tolerance when zoning a VPLEX Metro together over fibre channel for successful communication between the sites?
- Question #31
During the installation of a small VPLEX Metro, the command `configuration continue-system- setup' is issued. What is accomplished by this command?
- Question #32
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?
- Question #33
When performing an installation you notice DHCP has set your Management Server subnet mask to 255.255.255.252. Based on EMC best practices, what is the appropriate subnet mask valu...
- Question #34
After registering Cluster-2 with ESRS during a VPLEX Metro cluster build, what is the next step to perform before the cluster is successfully built?
- Question #35
What VPLEX user account is required to manage user security?
- Question #36
What is required of an ESX host for the Witness to be installed?
- Question #37
A customer has a VPLEX Metro/GEO environment and is requesting that the VPLEX Witness be installed. The requirements for the Witness are: - One vCPU - 512MB ram - 2.5GB storage spa...
- Question #38
Which element does VPLEX Witness require?
- Question #39
A customer has a VPLEX Metro with VPLEX Witness installed and configured. The detach rule for consistency group is "no-automatic-winner". What will VPLEX Witness do in case of a Si...
- Question #40
A customer is performing maintenance on their network that might affect their VPLEX Witness VM. What can be done to ensure there are no adverse effects due to a Witness outage?
- Question #41
Which VPLEX component can determine the difference between a partition and a site failure of a VPLEX Metro configuration?
- Question #42
During an installation, the physical equipment inspection reveals an ESX host used for VPLEX Witness is located in the same rack as VPLEX cluster 1 Engine. What needs to be done?
- Question #43
During ndu pre-check, a partner found that metadata-backup is not working. In addition, metadata-backup volume components have been renamed. How can the problem be resolved?
- Question #44
A customer is verifying the host environment before scheduling a VPLEX NDU. According to EMC best practices, which PowerPath load-balancing policy is applied by default to all plat...
- Question #45
Which vplexcli command will ensure that the directors SSD firmware has been upgraded to the correct version after the VPLEX NDU ?
- Question #46
You have attempted to upgrade a VPLEX system to the latest Geosynchrony code. During the upgrade, an error appeared and caused the upgrade to fail. Which file should you review to...
- Question #47
How do you verify that the VPLEX upgrade has completed successfully?
- Question #48
VPLEX ndu pre-check command reports a time drift between directors and the Management Server. How must the NDU be performed?
- Question #49
You are doing a code upgrade on a VPLEX. In which directory do you put the upgrade files in order to execute the code upgrade?
- Question #50
You are planning to perform a topology upgrade of VPLEX Local to VPLEX Metro. What is the process you should follow to complete the upgrade successfully?