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Total 226 questions
A Unity storage system is installed with 10 Gb optical SFPs in CNA ports 4 and 5 of both Storage Processors. The storage administrator has had a request from a user to connect to the storage system through Fibre Channel.
How can the administrator reconfigure the CNA ports for 16Gb Fibre Channel SFPs?
Answer : D
Once you set the network protocol on the CNA ports you cannot switch to a different network protocol.
References:
https://www.emc.com/collateral/TechnicalDocument/docu60144.pdf
(page 5)
In UnityVSA, which license(s) is able to extend the storage capacity from 25 TB to 50 TB with an upgrade path license?
Answer : A
Professional Edition is a licensed subscription-based offering available at capacity levels of 10 TB, 25 TB, and 50 TB.
Incorrect Answers:
B, C: VVOLS is not a license for UnityVSA.
D: 4 Community license is for 4 TB only. Community Edition is a free downloadable 4TB solution recommended for non-production use.
References:
https://www.emc.com/collateral/TechnicalDocument/docu69362.pdf
(page 3)
When defining which resources on the destination system the replicated item will use for an asynchronous session, which settings must be provided?
Answer : B
Create a replication session -
Ensure that you have first created relevant replication interfaces and connections, and then you need the name, pool, storage provisioning, and tiering policy you want to use for the destination storage resource. The system will automatically created a destination storage resource as part of this process.
References:
https://www.emc.com/dam/uwaem/documentation/unity-p-replication-config.pdf
(page 23)
What is one method that is used to verify an ESRS configuration?
Answer : B
References:
https://www.emc.com/collateral/software/data-sheet/h1948-secure-remote-supp-gateway-ds.pdf
A file system is 1 TB in size and contains 250 GB of data. The file system is not fully allocated and only 450 GB of pool storage is in use. The user wants to reduce the file system to 300 GB.
How much space is returned to the storage pool?
Answer : A
In order to replace a faulty component, a service provider has placed one of the Unity Storage Processors into Service mode. Once the component is replaced, how is the Storage Processor brought back into Normal mode?
Answer : B
If a single Storage Processor (SP) comes up in Service Mode, in Unisphere, you need to reboot the SP to return it to Normal Mode.
References:
https://www.emc.com/collateral/TechnicalDocument/docu69355.pdf
(page 4)
A user is having difficulty troubleshooting a Unity storage system and the service provider has been contacted for assistance. The service provider needs to run some service commands on the Storage Processors to troubleshoot the issue further.
Which step must be taken to allow the service provider remote access to the storage system?
Answer : D
The Service Tasks tab provides tools to service the storage system, including repair and troubleshooting. You can use this page to collect system and configuration information for assisting your service provider with a service request. The service password is required to access the various service task operations.
The Technical Advisories tab displays up-to-date information about advisories specific to the system by referencing knowledge base articles. The Logs tab displays an audit log for system events. It also allows users to configure a remote host to which to send log information and lets users export logs into a CSV file for additional reporting purposes.
How long will a Copy Back operation take when a hot spare is invoked?
Answer : B
Note: Starting with Release 24, you can now use a proactive hot spare for proactive disk replacement. Before Release 24 you had to remove the physical disk to replace in order to force a rebuild. During the rebuild phase, the RAID group was "degraded" and at risk.
Resolution:
Three main benefits of using a proactive hot spare:
-> Avoiding "uncorrectable errors" due to media problems during the rebuild process.
-> Greatly reduce the risk of having a degraded RAID group, and the risk of having a double-faulted RAID group.
-> Performance - a copy to hot spare is faster than a normal rebuild.
References:
https://community.emc.com/docs/DOC-9419
A storage administrator wants to configure a Unity system to join the list of arrays remotely monitored for activity and system status using Unisphere Central. The security policy on the Unisphere server was set to "automatic".
What additional security information must be specified in the Unisphere Settings window to enable communication with Unisphere Central?
Answer : D
Configure the security policy to specify how storage systems are verified when connecting to Unisphere Central. Automatic verification automatically verifies storage systems when they connect to Unisphere Central using a preconfigured security certificate hash and passphrase.
References:
http://www.emc.com/collateral/white-papers/h13827-unisphere-central-v4-wp.pdf
(page 21)
A storage administrator has purchased a UnityVSA and asks your recommendation on how to provision the storage to their ESXi host. Based on Dell EMC best practices, what should you recommend?
Answer : B
References:
https://www.emc.com/collateral/white-papers/h15093-dell-emc-unity-best-practices-guide.pdf
(p.11)
According to Dell EMC best practices, how should off-site data be asynchronously replicated for a DR solution?
Answer : D
References:
https://www.emc.com/collateral/white-papers/h15088-dell-emc-unity-replication-technologies.pdf
What is used by the Local LUN Move data mobility feature?
Answer : A
References:
https://www.emc.com/collateral/white-papers/h15163-dell-emc-unity-migration-technologies.pdf
(p.8)
A company has a Unity 300 system with 200 SAS drives. They need to increase the number of SAS drives by 300. Which in-place upgrade is required?
Answer : D
References:
https://www.emc.com/collateral/data-sheet/h14958-unity-hybrid-family-ss.pdf?isKoreaPage=false&domainUrlForCanonical=https%3A%2F%
2Fwww.emc.com
What are characteristics of the LUN Snapshot Copy operation?
Answer : D
Explanation:
The Snapshot Copy operation will make a copy of an existing snapshot that is either attached or detached from a host. The copy will capture the existing data state of the snapshot it copies. In this Copy example, a copy of an existing 4 o clock snapshot is being made. The copy inherits the parent snapshot data state of 4 o clock and its retention policy
When can Data at Rest Encryption ([email protected]) be enabled?
Answer : A
References:
https://www.emc.com/collateral/white-papers/h15090-dell-emc-unity-data-at-rest-encryption.pdf
(p.7)