NEW E20-393 Flashcards by Gary heldenbergh

What is a connectivity rule for a host that connects to multiple Dell EMC Unity systems?

A. Host must connect to all the arrays using a single protocol
B. Host can connect to different arrays with different protocols
C. iSCSI protocol is required to connect a host to multiple arrays
D. CNA connections to host must be used with alternating protocols

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What is the maximum number of Thin Clones that can be created from a Base LUN on a Dell EMC Unity array?
A. 8
B. 16
C. 32
D. 64

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What is an example of a NAS Server replication session grouped operation?
A. Delete
B. Resume
C. Sync
D. Create

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What is a characteristic of the IP Packet Reflect feature running on a Dell EMC Unity NAS Server?
A. SP must be rebooted after the feature is enabled on the NAS Server
B. Outbound packets use the same interface as the inbound packets
C. Communications initiated by the array do not require route table lookups
D. Feature can only be enabled when the NAS Server is created via UEMCLI.

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What is a characteristic of the iSCSI interface on Dell EMC Unity storage arrays?
A. IQNs are associated with an iSCSI interface.
B. IQN aliases are automatically generated.
C. Only one iSCSI interface can exist on a physical network port at a time.
D. A VLAN can only be assigned during the creation of the iSCSI interface.

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Which feature can be configured for a Dell EMC Unity file system NFS share?
A. Protocol Encryption
B. Host Access Level
C. Access-Based Enumeration
D. Branch Cache Enabled

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When creating a new LUN on a Dell EMC Unity array using Unisphere, what is the default setting of the Data Reduction feature?
A. OFF for thick LUNs and ON for thin LUNs
B. ON for thick LUNs and OFF for thin LUNs
C. ON for thick LUNs in an All-Flash pool
D. OFF for thin LUNs in an All-Flash pool

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What is the recommended configuration for iSCSI connections to ensure continuous access to the Dell EMC Unity storage system in the event of a failover?
A. Set up iSCSI interfaces to use VLAN tagging and configure the host to utilize the same VLAN
B. Set up iSCSI interfaces on the same port of each SP and leverage the host-based multi-pathing software.
C. Set up iSCSI interfaces on network ports on different SPs that are configured with Fail Safe Networking (FSN)
D. Set up iSCSI interfaces on network ports that are configured with LACP on the same SP

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A storage administrator is replicating a NAS Server from one Dell EMC Unity to another. The destination system has a different network scheme than their source system.
What operation must be done on the destination system NAS Server to ensure data is accessible after failover?
A. No changes required
B. Change the Override properties
C. Create a new interface
D. Modify DNS Cache

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Which VVol object stores a copy of a VM's memory pages when the VM is powered on?
A. Config
B. Memory
C. Data
D. Swap

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How can data at rest Encryption be activated on Dell EMC Unity?
A. Enable Data at rest Encryption at any time using Unisphere settings > manage Encryption
B. Enable data at rest Encryption, but only during initial configuration, using Unisphere settings > Manage Encryption
C. Install data at rest Encryption license at any time using Unisphere Settings > Install License
D. Install data at rest Encryption, but only during initial configuration

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What is the maximum hierarchical Snapshot level, for both LUNs and file systems, on Dell EMC Unity arrays?
A. 10
B. 16
C. 20
D. 32

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Which protocols are supported by Dell EMC UnityVSA for storage provisioning?
A. iSCSI, NFS, and SMB
B. FC, NFS, and iSCSI
C. iSCSI and FC only
D. iSCSI and SMB only

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A storage administrator needs to shrink their FAST Cache. The current configuration consists of eight 200 GB SAS Flash 2 drives.
What is the maximum number of drives that can be removed from FAST Cache through an online shrink operation?
A. 2
B. 4
C. 6
D. 8

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What is the default NFS host access option?
A. No Access
B. Read/Write, Allow Root
C. Read-Only
D. Read/Write

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Observing the SPE Fault LED during initial power up, what colors and time duration does the SPE use to indicate that it is ready for initialization?
A. Amber for 1 second, then blue for 3 seconds
B. Blue for 1 second, then green for 3 seconds
C. Amber for 1 second, then green for 2 seconds
D. Amber for 3 seconds, then blue for 1 second

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What are characteristics of the file system Snapshot Copy operation?
A. Parent can only be a read-only Snapshot Copy will be a read-only Snapshot Has an independent Retention Policy from the parent
B. Parent can only be a read only Snapshot Copy will be a read/write Snapshot Inherits the parent Retention Policy
C. Parent can be a read-only or a read/write Snapshot Copy will be a read/write Snapshot Inherits the parent Retention Policy
D. Parent can be a read-only or read/write snapshot Copy will be a read-only Snapshot Has an independent Retention Policy from the parent

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A Storage administrator needs to expand their FAST Cache. The current configuration consists of four 200 GB SAS Flash 2 drives.
What can be used to expand the FAST Cache?
A. Two 200 GB SAS Flash 2 drives
B. Two 400 GB SAS Flash 2 drives
C. Two 200 GB SAS Flash 3 drives
D. Two 400 GB SAS Flash 3 drives

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A storage administrator is tasked with configuring a density-based Host I/O policy based on the following requirements:

Resource Size: 100 GB LUN -

Density Limit: 20 IOPS -
What is the total IOPS set by this policy?
A. 120
B. 1,200
C. 2,000
D. 2, 100

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Fibre Channel access from a server to the Storage Processor can use what pathing options?
A. Single Path, Multipath, and Alternate path
B. Single path and Multipath only
C. Single Path and Alternate path only
D. Multipath only

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A storage administrator is tasked with creating a DR solution for block and file storage resources. The company has multiple regional and international sites containing a mix of physical and virtual Dell EMC Unity systems.
What are considerations for the storage administrator in creating the DR solution?
A. Synchronous remote replication should be restricted to within 100 km between sites to keep latency below ms Block storage resources can be replicated synchronously and asynchronously
B. Asynchronous replication ensures zero data loss the remote replica in disaster conditions Block storage resources can be replicated synchronously and asynchronously
C. Asynchronous replication over long-distance does not impact latency Asynchronous replication ensures zero data loss to the remote replica in disaster conditions
D. Synchronous remote replication should be restricted to within 100 km between sites to keep latency below 10 ms File and block storage resources can be replicated synchronously and asynchronously

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When can a file system be defined as thin or thick?
A. Only when creating the file system
B. Any time after the file system has been created
C. Only when adding host access to the file system
D. Only when enabling data reduction on the file system

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On a Dell EMC Unity file system asynchronous session, how many system Snapshots, in total, are required to support replication?
A. 1
B. 2
C. 4
D. 8

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The soft limit quota for a file system has just been exceeded. What would you expect to occur concerning data access?
A. Once the soft limit is reached, the grace period counts down until the hard limit is reached. New data can be written as long as the hard limit has not been reached.
B. Once the soft limit is reached, no new data can be added to the file system or directory.
C. If the soft limit remains exceeded and the grace period expires, no new data may be added to the particular file system or directory.
D. If the soft limit remains exceeded and the grace period expires, new data may be added to the particular directory. The system will alert the grace period expired.

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What is the role of Protocol Endpoints in Dell EMC Unity VMware storage provisioning? A. Enable transparent host attach operations to Snapshots of VVol datastores B. Manage host IO workload balance between multiple paths to the VMware datastores C. Provide a write consistent view to the host when accessing multiple VMware datastores D. Establish a data path between the ESXi host and the respective VVol datastores

``` What are the supported options for the Professional Edition of the Dell EMC UnityVSA? A. 4TB, 10 TB, and 50 TB B. 4 TB, 25 TB, and 50 TB C. 10 TB, 25 TB, and 50 TB D. 10 TB, 30 TB, and 50 TB ```

``` What is used to create a Proxy NAS Server on a Dell EMC Unity array? A. initCLI command B. UEMCLI command C. Unisphere GUI D. Service command ```

``` Which disk format is recommended for Dell EMC Unity's OVA? A. Thick Provision Lazy Zeroed B. raw C. Thick Provision Eager Zeroed D. Thin Provision ```

``` Which Dell EMC Unity service task would most quickly resolve connection problems between the storage system and Unisphere? A. Reinitialize the Storage System B. Reimage the Storage Processors C. Reboot the Storage Processors D. restart the Management Software ```

``` On a physical Dell EMC Unity system, what is the maximum size to which a UFS64 file system can be extended? A. 32 TB B. 64 TB C. 128 TB D. 256 TB ```

What is a consideration when implementing a Thin Clone on a Dell EMC Unity array? A. Thin Clone is only supported on physical Dell EMC Unity systems. B. Thin Clone can be expanded independently from the base LUN C. Thin Clone can be created directly from the base LUN D. Data Reduction can be enabled independently on source LUN and on Thin Clone

``` Two fans have failed on the SPE. How much time does the Dell EMC Unity system allow before the SP is shut down? A. 2 min B. 3 min C. 4 min D. 5 min ```

``` What can be used to initially configure a static management IPv6 address on a Dell EMC Unity array? A. symcli B. navisecCLI C. uemcli D. initCLI ```

You are implementing a new Dell EMC Unity 450F with twenty-five 7.6 TB SSD drives. You need to standardize on a RAID5 4+1 stripe size. What needs to be done to configure a dynamic pool? A. use UEMCLI to configure the pool with all the drives specifying RAID5 4+1 stripe width. B. Use the service account via UEMCLI to configure the pool with all the drives specifying a RAID5 4+1 stripe width. C. Use Unisphere to build a traditional pool using RAID5 4+1. Convent the traditional pool to a dynamic pool once the zeroing of the drives is complete. D. Use Unisphere to select all the drives and select RAID5 4+1 in the drop-down box.

While examining the health status of a Dell EMC Unity array, the administrator notices the internal SSD is in a faulted state. Which condition caused this fault? A. BBU is not charged enough to keep the SSD powered on B. There are only 5% of the spare blocks remaining on the SSD C. SP Cache had too many dirty pages to copy to the SSD D. There are no spare blocks remaining on the SSD

A storage administrator is planning to move a NAS Server to the peer SP on a Dell EMC Unity system. The NAS Server and two of its associated file systems have active asynchronous replication sessions to a remote Dell EMC Unity system. How should the storage administrator proceed? A. Manually pause the replication sessions for the NAS Server and file systems. B. Set the RPO value to 1440 for the NAS Server and file system replication sessions C. Set the RPO value to 0 for the NAS Server and file system replication sessions D. Failover the replication sessions for the NAS Server and file systems

What is a consideration when designing a replication solution using the native Dell EMC Unity replication feature? A. Asynchronous remote replication supports replication to up to two remote Dell EMC Unity systems B. Synchronous remote replication supports replication to up to two remote Dell EMC Unity systems C. Synchronous remote replication supports replication to up to one remote Dell EMC Unity systems D. Asynchronous remote replication supports replication to up to one remote Dell EMC Unity systems

``` For high availability within iSCSI, connections should be attached using what? A. Different subnets B. Flow control C. Twinax cables D. Jumbo frames ```

When a manual snapshot of a file system is created, what items are required for its configuration? A. Name, Description, and Access Type B. Retention Policy, Access Type, and Schedule C. Description, Retention Policy, and Schedule D. Name, Retention Policy, and Access Type

What technology is used by Dell EMC Unity Snapshots? A. Copy on First Write, which requires a storage resource reserved to hold original data that changed to preserve the point-in-time view. B. Redirect on White, which requires no storage resource to create a Snapshot, writes are redirected on parent pool. C. Copy on First Write, which requires no storage resource is needed to create a Snapshot, writes are copied pool. D. redirect on Write, which requires a storage reserved to hold original data that changed to preserve the point-in-time view.

A company needs to expand their dynamic pool by 5 TB. The current dynamic pool consists of sixty-three 3.8 TB SSD that are configured for RAID5 4+1. What is the minimum number of drives needed for the pool expansion? A. 1 B. 6 C. 7 D. 8

A company has the following available drive types in their Dell EMC Unity 500 storage array: ✑ 1.2 TB SAS ✑ 2 TB NL-SAS 100 GB SSD ``` ✑ 1.6 TB SSD ✑ 3.8 TB SSD What combination of drives can the company use to create a storage pool? A. 2 TB NL-SAS and 100 GB SSD B. 1.6 TB SSD and 3.8 TB SSD C. 1.2 TB SAS and 1.6 TB SSD D. 2 TB NL-SAS and 3.8 TB SSD ```

``` What is the size of a Private LUN slice? A. 8 KB B. 64 KB C. 256 MB D. 1024 MB ```

What capability is provided by the Dell EMC CIFS Management snap-in? A. Configure share permissions B. Configure NAS Server registry settings C. Manage home directories D. Manage local NAS Server users

A storage administrator is tasked with creating a DR solution for block and file storage resources on a Dell EMC Unity 650F system at a primary production site. The company has two other campus locations. Campus A is located 50 km away and has a Dell EMC Unity 400 Hybrid system. Campus B is located 200 km away and has a Dell EMC UnityVSA system. What should the storage administrator do to provide the best protection of storage resources while meeting recommended latency levels? A. Replicate block storage resources synchronously to Campus A Replicate file storage resources asynchronously to Campus B B. Replicate block storage resources synchronously to Campus A Replicate file storage resources synchronously to Campus A C. Replicate block storage resources asynchronously to Campus A Replicate file storage resources synchronously to Campus A D. Replicate block storage resources asynchronously to Campus B Replicate file storage resources asynchronously to Campus A

``` On which storage objects is data Reduction supported? A. Thick LUNs and VVols B. VMFS datastores and VVols C. Thin LUNs and thin VMFS datastores D. Thin LUNs and thick LUNs ```

Which Dell EMC Unity model(s) supports the 12 Gb/s SAS I/O module? A. All Dell EMC Unity models B. Dell EMC Unity 600/650F only C. Dell EMC Unity 500/550F and Dell EMC Unity 600/650F only D. Dell EMC Unity 400/450F, Dell EMC Unity 500/550F, and Dell EMC Unity 600/650F only

``` What is a use case for Thin Clones? A. Primary production B. Development and testing C. Offline backup D. Data archiving ```

``` Which FAST Cache operation proactively copies dirty pages to underlying hard disk drives? A. FAST Cache flushing B. FAST Cache promotion C. FAST Cache warming D. FAST Cache cleaning ```

``` You are creating a dynamic pool using 12 drives in the Unisphere GUI. Which RAID stripe width will be set when creating the dynamic pool using RAID 6? A. 4+2 B. 6+2 C. 8+2 D. 10+2 ```

``` What is the maximum number of Dell EMC Unity arrays that can participate is a Synchronous Replication topology? A. 2 B. 4 C. 5 D. 16 ```

What limitation should be considered when using Local NAS Server Mobility to move NAS Servers? A. NAS Server's active replication session must be deleted and re-created. B. A NAS Server that is a File Import destination can be moved. C. NAS Server Mobility supports two concurrent NAS Server moves. D. NAS Server Mobility only supports a single NAS Server move at a time.

``` With Redirect on Write technology, when writes are made to the storage resource and more space is required, what size is the slice allocated from the parent pool? A. 8 KB B. 64 KB C. 128 MB D. 256 MB ```

``` Which IP connection characteristic is unique to file-based storage access? A. Link Aggregation B. VLAN tagging C. Bandwidth throttle D. Mirrored writes ```

``` Which storage pool object is created for every RAID group in a traditional pool? A. Stripe Volume B. Private LUN C. Pool Slice D. MetaLUN ```

``` A High Endurance SSD is limited to how many writes per day? A. 1 B. 10 C. 25 D. 30 ```

``` A storage administrator has added multiple resources to a single density-based Host I/O Limit policy for the following storage resources: ✑ LUN A: 100 GB ✑ LUN B: 100 GB ✑ LUN C: 600 GB ✑ Density-Based Limit 10 IOPS What is the total IOPS set by this policy? A. 80 B. 800 C. 810 D. 8,000 ```

``` Which VASA API protocol is used to integrate with Dell EMC UnityVSA over HTTPS? A. SNMP B. WSDL C. SOAP D. REST ```

``` Which FAST VP operation can be performed from the System Settings window? A. Modify data relocation schedule B. Delete snapshots from the tier C. Cancel data relocation operations D. Manually start data relocation ```

``` The embedded FC ports allow connection at what speeds? A. 4Gb/s, 8 Gb/s, and 16 Gb/s B. 10 Gb/s and 16 Gb/s C. 8 Gb/s and 16 Gb/s only D. 1 Gb/s and 10 Gb/s ```

A user is setting up Dell EMC Unity network ports for connectivity between the NAS clients and NAS Servers. In Unisphere, what can a user modify under the Access section of the Settings configuration window? A. Speed and MTU only B. Speed, MTU, and port aggregation C. Speed, MTU, and name of port D. Speed and port aggregation only

``` Automatic shrink operations will trigger storage space reclamation on which type of storage resources? A. Thick file systems B. Thick LUNs C. Thin LUNs D. Thin file systems ```

``` which policy status condition is available for Host I/O Limits? A. Resuming B. Disabled C. Global Paused D. Error ```

``` What component is a hot-pluggable CRU? A. DPE BBU B. DPE I/O module C. 80 drive DAE cooling module D. 25 drive DPE cooling module ```

What are four constraints defined in a VMware Capability Profile? A. Service Level, Access, Protocol, and Space Efficiency B. Capacity, Drive Type, RAID Level, and Data Reduction C. Protocol Endpoint, Drive Type, RAID Level, and VM UUID D. Service Level, Drive Type, RAID Level, and Space Efficiency

``` What block size do Dell EMC Unity systems use to copy highly accessed blocks of data from spinning drives into FAST Cache? A. 16 KB B. 32 KB C. 64 KB D. 128 KB ```

``` A company plans to add five drives to a 30 drive SAS Flash 4 All-Flash pool on a Dell EMC Unity 600 storage array. Which drive type(s) can be used for the expansion? A. SAS Flash 2 and SAS Flash 4 only B. SAS Flash 4 only C. SAS Flash 3 and SAS Flash 4 only D. Any SAS Flash drive type ```

``` Which layer of the Dell EMC Unity storage architecture provides access to both the virtual storage pool and configured LUN resources? A. Enclosure Services Interface B. Common software C. SCSI Enclosure Services D. Communications Management interface ```

``` The preferred production interface is active. What does the Dell EMC Unity system do once a NAS Server starts outbound traffic to an external service? A. Uses the backup interface B. Initiates NAS Server failover C. Uses the active production interface D. Enables Packet Reflect ```

``` Which Dell EMC Unity storage resource allows modification of its block size during creation? A. VVol file datastore B. Block datastore C. VVol block datastore D. NFS datastore ```

How is the Dell EMC Unity Data Reduction Ratio calculated? A. Divide the predate-reduction size of all storage resources and their snapshots by the postdata-reduction size of all storage resources and their snapshots. B. Add up the efficiencies gained from thin provisioning, Deduplication, and Compression. C. Divide the predate-reduction size of all storage resources excluding their snapshots by the postdata-reduction size of all storage resources excluding their snapshots. D. Add up the efficiencies gained from thin provisioning, Snapshots, and Compression.

The LUN Snapshot Attach to Host operation is being performed with Read/Write Access selected. By default, what does the Dell EMC Unity system do before beginning the attach process? A. Detaches the host from the Snapshot of any other LUN B. Creates a Snapshot of the LUN C. Detaches existing attached hosts from the LUN Snapshot tree D. Creates a copy of the Snapshot

A storage administrator is required to test a new version of an application loaded on a secondary host. The administrator must use existing data contained on a LUN provisioned from a Dell EMC Unity to a primary host. Which solution will meet the requirement and provide space efficiency? A. Create an Asynchronous Replication session for the LUN Configure access to the replica LUN for the secondary host Attach the secondary host B. Create a Snapshot of the LUN Configure LUN access for the secondary host Attach the Snapshot to the secondary host C. Create a Snapshot of the LUN Configure secondary host connectivity to Dell EMC Unity Attach the Snapshot to the secondary host D. Create a Synchronous Replication session for the LUN Configure access to the replica LUN for the secondary host Attach the secondary host

``` Which VVol object stores .vmx files, logs, and NVRAM? A. Config B. Memory C. Data D. Swap ```

What are considerations when configuring a Proxy NAS Server? A. Can be created on either SP regardless of where the replicated NAS Server resides May utilize different access protocols as the replicated NAS Server B. Can be created on either SP regardless of where the replicated NAS Server resides Must use the same access protocols as the replicated NAS Server C. Must be created on the same SP as the replicated NAS Server Must use the same access protocols as the replicated NAS Server D. Must be created on the same SP as the replicated NAS Server Different access protocols may be utilized as the replicated NAS Server

``` After performing the initial configuration of a new UnityVSA, when do alerts concerning license expiration first occur? A. 7 days prior to expiration B. 15 days prior to expiration C. 1 month prior to expiration D. 2 months prior to expiration ```

Asynchronous remote replication is configured for a NAS Server and its associated file systems. What operations can be performed to make data available if the primary site goes down? A. Failover operation on the NAS Server session, then a Failover operation on each of the file system sessions B. Failover with Sync operation on each of the file system sessions, then a Failover with Sync operation on the NAS Server session. C. Failover operation on each of the file system session, then a Failover operation on the NAS Server session. D. Failover with Sync operation on the NAS Server session, then a Failover with Sync operation on each of the file system sessi

When creating a NAS Server replication session, which settings are required for the destination NAS Server? A. Name, Pool, and Storage Provisioning B. Interface configuration, Pool, and Storage Processor C. Pool, RPO, and Storage Processor D. Name, interface configuration, and RPO

``` Which Unity feature supports provisioning within vCenter, provides full visibility to physical storage, and increases management efficiency? A. VSI B. ODX C. ESI D. VAAI ```

``` Where can Unity Compression be enabled? A. All-Flash systems only B. All-Flash and 3-tier pools C. All-Flash pools only D. Thick LUNs only ```

What is a consideration for IP Packet Reflect running on a NAS server? A. Communications initiated by Unity do not require route table lookups. B. SP must be rebooted after IP Packet Reflect is disabled. C. SP Must be rebooted after IP Packet Reflect is enabled. D. Reply packets are sent via the same interface as the request packets.

``` Which protocol(s) is used to access VMware VMFS datastores from Unity? A. Fibre Channel over IP B. iSCSI and Fibre Channel C. Fibre Channel only D. iSCSI only ```

A storage administrator notices that all the configured Host I/O Limit policies are Globally Paused. How can the administrator put these policies into the Active state? A. Select the Host I/O Limit policy for each and configure the Host I/O Limits setting to Active. B. From the Settings>Performance page, configure the Host I/O Limits settings to Resume. C. From the Settings> Performance page, configure the Host I/O Limits settings to Active. D. Select the Host I/O Limit policy for each and configure the Host I/O Limits setting to Resume.

A system administrator has placed the Storage Processor (SP) in Service Mode for maintenance. Using Unisphere, they notice the mode field for the SP still displays both SPs as normal. What is another indicator the administrator can check to verify that the SP is in Service mode? A. SP Fault LED is solid blue B. Unsafe to remove LED is lit C. SP Fault LED blinks alternating amber and blue D. DPE Chassis Fault LED is solid amber

``` A system administrator has asynchronous remote replication configured between a pair of systems and replication is currently operating normally. When the administrator views a replication session on the Unisphere Sessions page for the destination system, which option is available when viewing "More Actions"? A. Failover with sync B. Failover C. Pause D. Sync ```

What functionality is provided to Unity from its integration with CTA? A. DHSM data mobility to cloud destination on Virtustream B. Synchronous disaster recovery solution for Unity file storage C. Data migration solution for VNX block storage to Unity D. Unity configured as a destination for tiered DHSM data

What is a connectivity rule for hosts that connect to multiple Unity systems? A. Must connect to all arrays using a single protocol. B. Can connect to different arrays with different protocols. C. CNA connections used with alternating protocols. D. iSCSI is required to connect a host to multiple arrays.

What describes the Cutover operation for a File Import session? A. Client access to data is switched to the target Unity system and the session can be rolled back if Canceled. B. Production data access is from Unity but the clients still connect to the interface of the VNX. C. Production data access is permanently set on Unity and the original data is deleted from VNX. D. Client access to data is switched to the target Unity system and the session cannot be rolled back or Canceled.

``` Which feature can be configured for a Unity File System NFS share? A. Continuous Availability B. Offline Availability C. Host Access Level D. Protocol Encryption ```

NEW E20-393 Flashcards

(89 cards)