E20-393 Flashcards
(124 cards)
1
Q
A storage administrator has requested a recommendation on upgrading their VNX5600 to a comparable Unity storage array. The solution requires a
maximum capacity of 3.5 PB.
To meet the administrator’s requirement without over provisioning the capacity, which Unity Hybrid storage array is recommended?
A. Unity 300
B. Unity 400
C. Unity 500
D. Unity 600
A
Correct Answer: D
2
Q
What is the minimum VMware Hypervisor version a server must be running in order to support the deployment of a UnityVSA system?
A. 4.0
B. 5.0
C. 5.5
D. 6.0
A
Correct Answer: D
3
Q
Which feature is supported on a UnityVSA operating environment?
A. Asynchronous Replication
B. MCC Write Caching
C. Quick Start Pool Provisioning
D. Data at Rest Encryption
A
Correct Answer: A
4
Q
A storage administrator is creating a host profile in Unisphere to provide host access to block storage resources using the iSCSI protocol. The host
initiators were not automatically discovered and must be manually added.
In addition to the SAN host IQN, what other configuration can be performed through the “Create iSCSI Initiator Wizard” window?
A. Enable and disable CHAP settings
B. Create Mutual CHAP secret
C. Create Global CHAP secret
D. Enter CHAP username and secret
A
Correct Answer: D
5
Q
A storage administrator is configuring a storage pool on a Unity system containing Flash disks and SAS disks. What tier will the system assign to each of
the disk types?
A. Flash: Extreme Performance SAS: Performance B. Flash: Performance SAS: Capacity C. Flash: Extreme Performance SAS: Capacity D. Flash: Capacity SAS: Performance
A
Correct Answer: A
6
Q
What describes the LUN Snapshot Copy operation?
A. Parent cannot be a snapshot copy
Can only copy a detached snapshot
Has an independent Retention Policy from the parent
B. Parent can be a snapshot copy
Can only copy a detached snapshot
Has an independent Retention Policy from the parent
C. Parent can be a snapshot copy
Can copy an attached or detached snapshot
Inherits the parent Snapshot Retention Policy
D. Parent cannot be a snapshot copy
Can copy an attached or detached snapshot
Inherits the parent Snapshot Retention Policy
C
A
Correct Answer: C
7
Q
Which technology is used by Unity Snapshots?
A. Copy on First Write
B. Inline Deduplication
C. Redirect on Write
D. Block Compression
A
Correct Answer: C
8
Q
The Battery Backup Unit (BBU) provides power to the Storage Processor in the event that cabinet power is lost. The BBU is designed to power the SP
long enough for the system to store SP cache content to the M.2 SSD device before powering down. The BBU includes sensors which communicate its
charge and health status to the SP. In the event the BBU is discharged the SP will disable cache until the BBU has recharged. In the event the BBU has
faulted or cannot sustain enough charge, an alert will be generated.
A
power down sequence. look it up
9
Q
A system administrator is configuring asynchronous remote replication for an existing NAS server and its’ file systems on a Unity system. What should
the administrator create to ensure all data is replicated for the NAS server and the file system?
A. Replication sessions on each file system only
B. Replication sessions for each file system first and then the NAS server
C. A replication session on the NAS server and then manually create replication sessions on each file system
D. A replication session for only the NAS server
A
Correct Answer: D
10
Q
Which Unity feature provides a high bandwidth connection for large file transfers, enables proactive Service Request generation and usage license
reporting, and operates on a 24x7 basis?
A. EMC Service Center
B. Software Licensing Central
C. Unisphere Central
D. EMC Secure Remote Services
A
Correct Answer: D
11
Q
Which software bundles are provided with the Unity Starter software package?
A. FAST Cache and Fast VP
B. Thin Provisioning and Quality of Service
C. Controller-Based Encryption and RecoverPoint Basic
D. FAST Cache and Local Point-in-Time Copies
A
Correct Answer: A
12
Q
When configuring asynchronous remote replication, how many internal Unity Snapshots are configured and utilized on the source system by a single
replication session?
A. 1
B. 2
C. 3
D. 4
A
Correct Answer: B
13
Q
A storage administrator is implementing FAST Cache on a Unity 500 storage array and can select from a mix of SSD drives. Which drive types can be
configured to meet the administrator’s requirements?
A. 200 GB and 400 GB
B. 400GB and 1.6 TB
C. 1.6 TB and 3.2 TB
D. 3.2 TB and 800 GB
A
Correct Answer: A
14
Q
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 Unity to a primary host.
Which solution will meet the requirement and provide space efficiency?
A. Create a snapshot of the LUN
Configure LUN access for the secondary host
Attach the snapshot to the secondary host
B. Create a snapshot of the LUN
Configure snapshot access to the LUN for the secondary host
Attach the snapshot to the secondary host
C. Create a Synchronous Replication session for the LUN
Configure access to the replica LUN for the secondary host
Attach the secondary host
D. Create an Asynchronous Replication on session for the LUN
Configure access to the replica LUN for the secondary host
Attach the secondary host
A
Correct Answer: B
15
Q
On which systems is Quality of Service available?
A. Physical Unity systems only
B. UnityVSA systems only
C. Physical Unity and UnityVSA systems
D. All Flash Unity systems only
A
Correct Answer: C
16
Q
When deploying virtual disks for a UnityVSA system, what is an EMC recommended Disk Provision Policy?
A. Thick Provision Eager Zeroed
B. Thin Provision
C. Thick Provision
D. Thick Provision Lazy Zeroed
A
Correct Answer: A
17
Q
Which UnityVSA user interface allows advanced users to create scripts for automating routine tasks?
A. Unisphere Central
B. UEMCLI
C. SP Console
D. Unisphere GUI
A
Correct Answer: D
18
Q
A system administrator has configured a system using the Initial Configuration wizard. After completing the wizard, the administrator discovers that an
incorrect IP address has been assigned to the Unity system.
How can the IP address be changed?
A. The IP address cannot be changed once it has been configured
B. Through the Service interface using the ifconfig command
C. In the Unisphere Settings menu
D. The IP address can only be changed using the UEMCLI
A
Correct Answer: D
19
Q
Which FAST Cache operation can be performed from the Settings window?
A. Disable FAST Cache use on a specific pool
B. Pause FAST Cache use
C. Expand FAST Cache
D. Enable FAST Cache use on a specific pool
A
Correct Answer: C
20
Q
Which Unity service task is used to reinstall the root operating system while leaving the user’s data intact?
A. Restore the Management server
B. Reimage the Storage Processor
C. Restore the Management software
D. Reinitialize the storage system
A
Correct Answer: B
21
Q
What is the maximum number of LUNs in a Consistency Group?
A. 25
B. 50
C. 75
D. 100
A
Correct Answer: C
22
Q
Which migration tool can be used to move file data a Unity storage array in both NFS and CIFS/SMB protocols?
A. EMC Select Datadobi
B. Unity Async Replication
C. rsync
D. EMCopy
A
Correct Answer: D
23
Q
Which step must be completed prior to performing the initial configuration of a UnityVSA system and creating the first storage pool?
A. Create an ESXi host profile
B. License the system for NFS and SMB support
C. Add vDisks to the storage appliance
D. Install license keys for thin provisioning
A
Correct Answer: C
24
Q
What is the minimum and maximum recovery point objectives (RPO) configurable when using Unity native asynchronous replication?
A. Minimum= 5 minutes Maximum= 24 hours B. Minimum= 5 minutes Maximum= 48 hours C. Minimum= 1 minute Maximum= 24 hours D. Minimum= 1 minute Maximum= 48 hours
A
Correct Answer: A
25
A system administrator has added a new Unity storage array to their environment. The administrator wants to migrate block data from vVNX running in
their VMware environment to a UnityVSA. In addition, the administrator needs to migrate the block data from an older CLARiiON storage array to the
new Unity storage array.
Which single block migration option will work for both the virtual and hardware storage devices?
A. SAN Copy Push
B. VPLEX
C. Host-Based LVM
D. RecoverPoint
Correct Answer: A
26
How is encryption set for a Unity storage system?
A. Clicking the “Mode” checkbox on the Manage Encryption page
B. Selecting “Status” on the Manage Encryption page
C. Automatically set at the factory
D. First time the license is applied
Correct Answer: D
27
A system administrator experienced a power failure in their environment. To which device will cache de-stage?
A. M.2 SSD on each Storage Processor
B. First four disks in the Disk Processor Enclosure
C. Cache does not need to de-stage as it is now non-volatile
D. Backup Battery Unit will keep the data alive in cache
Correct Answer: A
28
A service provider is installing a Unity storage system for an end-user. The end-user is concerned about network security and will not allow the service
provider access to the network.
How can the service provider set a static IP address for the Unity storage system management interface?
A. Use the embedded InitCLI tool
B. Connect directly to the service ports and configure the networking through UEMCLI
C. Use an IPMI serial over LAN connection
D. Use the Connection Utility to create a configuration file
Correct Answer: B
29
Which task must be performed on the storage system in order to access a file system read/write snapshot?
A. Configure Host Access to the LUN snapshots
B. Configure the NFS/SMB share to the file system snapshot
C. Connect to the NFS/SMB share of the snapshot
D. Perform the snapshot “Attach to Host” operation
Correct Answer: B
30
Which severity level alerts for a fault condition that has occurred, has minor impact on the system, and does not need to be fixed immediately?
A. Critical
B. Notice
C. Error
D. Warning
Correct Answer: D
31
A storage administrator wants to configure a Unity system to log system events to a remote log server. In order to allow access to the log server, which
port should the administrator ensure is not blocked by the firewall?
A. 514
B. 714
C. 1000
D. 5179
Correct Answer: A
32
A Unity system LUN has a daily snapshot schedule with a Retention Policy of seven days. A hardware failure results in a double fault of the LUN.
Which snapshot behavior will be experienced?
A. All of the snapshots will be unavailable to restore data from
B. Data restoration is available from the oldest snapshot, all others are unavailable
C. All of the snapshots will be available to restore data from
D. Data restoration is available from the newest snapshot, all others are unavailable
Correct Answer: D
33
What describes multiple LUN snapshots?
A. Captures multiple point-in-time data states.
Snapshot data state is marked “unmodified” from its source when attached.
Snapshot tree supports multiple simultaneous attaches.
B. Captures multiple point-in-time data states.
Snapshot data state is marked “unmodified” from its source when attached.
Snapshot tree supports only one attach at a time.
C. Captures multiple point-in-time data states.
Snapshot data state is marked “modified” from its source when attached.
Snapshot tree supports multiple simultaneous attaches.
D. Captures multiple point-in-time data states.
Snapshot data state is marked “modified” from its source when attached.
Snapshot tree supports only one attach at a time.
Correct Answer: C
34
What is the maximum number of LUN snapshots that are supported by Unity?
A. 16
B. 96
C. 256
D. 512
Correct Answer: C
35
At which stage in the Unity power up sequence would the Storage Processor enter Service mode upon detecting an error?
A. After the CMI is started
B. Bootflash
C. POST
D. BIOS
Correct Answer: C
36
An administrator’s Unity system is configured with both a Fibre Channel CNA and a Fibre Channel I/O module. Which Fibre Channel port on each SP
must be used for native synchronous replication?
A. CNA FC port 5
B. I/O module FC port 2
C. CNA FC port 4
D. I/O module FC port 5
Correct Answer: C
37
Which feature provides the ability to provision block and file storage for Microsoft Windows or Microsoft SharePoint sites?
A. EMS Storage Integrator for Windows
B. Array Offloaded Data Transfer
C. vStorage APIs for Array Integration
D. EMC Virtual Storage Integrator
Correct Answer: A
38
Which information must be retrieved and used to select the unconfigured UnityVSA system when running the Auto-discover option of the Connection
Utility?
A. Array Name
B. System’s Serial ID
C. DNS Host Name
D. System’s UUID
Correct Answer: B
39
What is an advantage for selecting Centralized ESRS over Integrated ESRS?
A. External virtual machine is not required
B. WAN compression is not required to Unity systems
C. CHAP security is not required between Unity systems
D. Internet connectivity is not required for every Unity system
Correct Answer: D
40
In UnityVSA, what is the maximum storage capacity offered by the VVOLs license?
A. 4TB
B. 10TB
C. 25TB
D. 50TB
Correct Answer: D
41
A system administrator receives a warning that their DPE I/O Module has a fault. In this situation, which type of replacement is required?
A. Hot-pluggable CRU
B. Non-Hot-pluggable FRU
C. Hot-pluggable FRU
D. Non-Hot-pluggable CRU
Correct Answer: C
42
Which UnityVSA storage resource can be configured with Host I/O limits?
A. NAS Server
B. Pool
C. File System
D. LUN
Correct Answer: D
43
Which option can be enabled in the Advanced tab of the SMB Share Properties window?
A. Shared VHDX
B. Controller-Based Encryption
C. SMB Direct
D. Protocol Encryption
Correct Answer: D
44
Which UnityVSA configuration can be performed using the Unisphere Initial Configuration wizard?
A. Register host iSCSI initiators
B. Configure Link Aggregation
C. Register host HBA WWNs
D. Add iSCSI network interfaces
Correct Answer: D
45
A system administrator wants to configure asynchronous replication on their Unity system. What is required before creating a replication session?
A. A Fibre Channel connection configured between the remote systems.
A configured replication connection between the remote systems.
B. A Sync Replication Management Port configured on each system.
A Fibre Channel connection configured between the remote systems.
A configured replication connection between the remote systems.
C. An IP-based replication interface on the same network as the destination system’s replication interface.
A configured replication connection between the remote systems.
D. A Sync Replication Management Port configured on each system.
An IP-based replication interface on the same network as the destination system’s interface.
A configured replication connection between the remote systems.
Correct Answer: D
46
How long before a license expires will UnityVSA send the first alert warning?
A. 3 days
B. 7 days
C. 15 days
D. 1 month
Correct Answer: D
47
What is the minimum memory requirement for a host running VMware ESXi 6.0 to support the deployment of
a UnityVSA system?
A. 8 GB
B. 12 GB
C. 16 GB
D. 18 GB
Correct Answer: B
48
A storage administrator wants to create a series of daily snapshots for an existing critical LUN. How can the snapshots be created?
A. Snapshot schedules can only be configured within the LUN Creation wizard
B. From the Pool Properties page, configure the Snapshot schedule
C. Only manually taken snapshots are supported on existing LUNs
D. From the LUN Properties page, configure the Snapshot schedule
Correct Answer: B
49
Which operation can be performed from the FAST VP settings section in the Unisphere Settings window?
A. Enable scheduled data relocation at the pool level
B. Exclude pool from the data relocation schedule
C. Enable scheduled data relocation at the system level
D. View the data relocation progress between tiers
Correct Answer: D
50
Through which protocols are backend storage provisioned to the ESXi host when deploying a UnityVSA system?
A. iSCSI, SMB, and NFS
B. iSCSI and NFS only
C. FC, iSCSI, and NFS
D. FC and iSCSI only
Correct Answer: A
51
Where do the D@RE encryption/decryption functions occur in the Unity storage system?
A. Host I/O Modules
B. Storage Processor Cache
C. SAS I/O Module
D. Self-encrypting drives
Correct Answer: C
52
Based on the exhibit, which port can provide either Fibre Channel or Ethernet connectivity for host access?
```
A. A
B. B
C. C
D. D
CHECK PDF FOR DIAGRAM
```
Correct Answer: D
53
A system administrator is browsing their local management station for a Unity license file. Which file extension is used for Unity license files?
A. .lic
B. .rsa
C. .lin
D. .cer
Correct Answer: A
54
A storage administrator wants to add as asynchronous replication session to a pair of Unity systems with an existing synchronous replication session
that is operating correctly. Which configuration steps are needed?
A. Create Replication interfaces on both systems.
Modify the Replication Connection Mode.
Run a Replication Connection Verify and Update operation.
B. Create Replication Interfaces on the source system.
Modify the Mode for Replication Connection.
Perform a manual Sync operation on the Asynchronous session.
C. Create Replication Interfaces on destination system.
Establish FC connectivity using the Synchronous FC Ports of each system.
Perform a manual Sync operation on the Asynchronous session.
D. Create Replication Interfaces on both systems.
Establish FC connectivity using the Synchronous FC Ports of each system.
Run a Verify and Update operation for the Replication Connection
Correct Answer: A
55
Which Unity feature benefits oracle OLTP environments by improving storage utilization?
A. 4 block formatting
B. Increased SP Cache size
C. Automatic storage tiering
D. VVOLS
Correct Answer: C
56
A system administrator has installed the Unity Connection Utility on a Microsoft Windows host. The Windows host is connected to the same physical
subnet as a newly installed Unity storage system. When the utility is run, it does not discover any Unity storage systems.
What should be checked on the host that may be preventing the utility from discovering any Unity storage systems?
A. Java SE version
B. Ethernet adapter flow control
C. Network Access Filter Driver
D. Host firewall services
Correct Answer: D
57
A Unity 400 system has Data at Rest Encryption licensed and enabled. Which operation(s) must be performed from the Unisphere Settings window to
ensure the system is still operational after SP replacements?
A. Download Audit Log
B. Download Checksum
C. Backup Keystore File
D. Download Audit Log and Checksum
Correct Answer: C
58
When a storage resource has a snapshot taken of it, where are writes to the storage resource written?
A. New space allocated from the storage resource parent pool
B. New space allocated in 256 MB stripes from FAST Cache
C. Existing space of the storage resource
D. Existing space from the Reserves LUN Pool
Correct Answer: C
59
When the LUN Snapshot Attach to Host operation is performed, what does the Unity system optionally do before beginning the attach process?
A. Creates a snapshot of the LUN
B. Detaches the host from the snapshots of any other LUN
C. Creates a copy of the snapshot
D. Deletes all other existing snapshots of the LUN
Correct Answer: C
60
Which Directory Services can be configured in the Unisphere Settings window?
A. LDAP
B. NIS
C. NDS
D. Active Directory
Correct Answer: A
61
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?
A. Configure all CNA ports for 16Gb Fibre Channel
B. Configure CNA port 4 of SPA and SPB as 10Gb optical
Configure CNA port 5 of SPA and SPB as 16 Gb Fibre Channel
C. Configure CNA port 4 and 5 of SPA as 10 Gb optical
Configure CNA ports 4 and 5 of SPB as 16 Gb Fibre Channel
D. CNA ports cannot be reconfigured once they are committed
Correct Answer: D
62
In UnityVSA, which license(s) is able to extend the storage capacity from 25 TB to 50 TB with an upgrade path license?
A. Professional only
B. Professional and VVOLS
C. VVOLS only
D. Community
Correct Answer: A
63
When defining which resources on the destination system the replicated item will use for an asynchronous session, which settings must be provided?
A. Replication Mode, RPO, and Replicate To
B. Name, Pool, and Storage Processor
C. Ethernet Port, Subnet/Prefix Length, and Gateway
D. Management IP Address, User Name, and Password
Correct Answer: B
64
What is one method that is used to verify an ESRS configuration?
A. Proxy server authentication
B. RSA authentication
C. Trigger an SNMP trap test
D. Send an e-mail verification
Correct Answer: D
65
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?
A. 150 GB
B. 450 GB
C. 700 GB
D. 750 GB
Correct Answer: A
66
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?
A. Exit the Service Mode task
B. Reboot the Storage Processor
C. Reboot the storage system
D. Restart the Management software
Correct Answer: B
67
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?
A. Enable SSH on the storage system
B. Set the Unisphere preferences to “Optimize” for remote access
C. Specify the SMTP configuration
D. Specify the Remote Logging configuration
Correct Answer: A
68
How long will a Copy Back operation take when a hot spare is invoked?
A. Pro-Active hot spare does not use a Copy Back operation
B. Copy Back time depends on the RAID type
C. Copy Back time depends on the disk capacity
D. Copy Back time depends on the disk type
Correct Answer: B
69
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?
A. Unisphere Central IP address and login credentials
B. Unisphere Central IP address and Central Hash
C. Unisphere Central Hash and login credentials
D. Unisphere Central Hash and challenge phrase
Correct Answer: D
70
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?
A. Thick provisioned
B. Thick provisioned eager zeroed
C. Thin provisioned
D. Thin provisioned eager zeroed
Correct Answer: B
71
```
What is used by the Local LUN Move data mobility feature?
A. Transparent Data Transfer
B. SANCopy push
C. Inband Migration Tool
D. Common base Snapshots
```
Correct Answer: A
72
How is a Local LUN Move configured?
A. First select the LUN, then select the Pool to move the LUN into, and finally choose the Move operation.
B. First select the Pool to move the LUN into, then choose the Move operation, and finally select a LUN.
C. First choose the Move operation, then select a LUN, and finally select the Pool to move the LUN into.
D. First select a LUN, then choose the Move operation, and finally select the Pool to move the LUN into
Correct Answer: D
73
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.
Correct Answer: D
74
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
Correct Answer: A
75
What is the purpose of a Proxy NAS Server?
A. Increase performance for shared network connections that access NAS Servers
B. Access Snapshot replicas on the destination side of a replicated file resource
C. Access Snapshots for testing production NAS Servers
D. Increase security of production NAS Servers
Correct Answer: B
76
The LUN Snapshot Attach to Host operation is being performed with Read/Write Access selected. By default, what does the Dell EMC Unity XT 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
Correct Answer: D
77
```
Which Dell EMC Unity XT storage resource allows the modification of its block size during creation?
A. VVol (file) datastore
B. VMFS datastore
C. VVol (block) datastore
D. NFS datastore
```
Correct Answer: C
78
A company needs to expand their dynamic pool by 10 TB. The current dynamic pool consists of sixty-three 7.6 TB SSD drives that are configured for RAID5 12
+1.
What is the minimum number of drives needed for the pool expansion?
A. 1
B. 2
C. 13
D. 15
Correct Answer: B
79
```
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
```
Correct Answer: C
80
```
Which layer of the Dell EMC Unity XT 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
```
Correct Answer: B
81
```
A company plans to add five drives to a 30 drive SAS Flash 4 All-Flash pool on a Dell EMC Unity XT 680 storage array. Which drive type(s) can be used for the
expansion?
A. SAS Flash 2 and SAS Flash 3 only
B. SAS Flash 4 only
C. SAS Flash 3 and SAS Flash 4 only
D. Any SAS Flash drive type
```
Correct Answer: B
82
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
Correct Answer: D
83
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.
Correct Answer: A
84
```
What is the maximum number of Dell EMC UnityXT storage systems arrays that can participate in a Synchronous Replication topology?
A. 2
B. 4
C. 5
D. 16
```
Correct Answer: A
85
```
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
```
Correct Answer: D
86
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
Correct Answer: C
87
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.
Correct Answer: D
88
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
Correct Answer: D
89
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.
Correct Answer: D
90
```
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
```
Correct Answer: C
91
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
Correct Answer: B
92
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
Correct Answer: A
93
```
What is the default NFS host access option?
A. No Access
B. Read/Write, Allow Root
C. Read-Only
D. Read/Write
```
Correct Answer: B
94
What is the recommended configuration for iSCSI connections to ensure continuous access to the Dell EMC Unity XT storage system in the event of a failover?
A. Create iSCSI interfaces on different network ports on the same SP that are combined into a link aggregation
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 the same port of each SP and configure advanced static routes for the interfaces
D. Create iSCSI interfaces on network ports on different SPs that are combined into a FSN logical device
Correct Answer: D
95
Which feature can be configured for a Dell EMC Unity XT file system NFS share?
A. Protocol Encryption
B. Host Access Level
C. Access-Based Enumeration
D. Distributed File System
Correct Answer: C
96
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.
Correct Answer: B
97
```
What is an example of a NAS Server replication session grouped operation?
A. Delete
B. Resume
C. Sync
D. Create
```
Correct Answer: B
98
```
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
```
Correct Answer: B
99
What is a characteristic of FAST VP?
A. User can enable or disable FAST VP at the LUN level
B. FAST VP optimizes data placement by moving 1GB slices between disk tiers
C. Once enabled, FAST VP data relocation runs in background runs in background at all times
D. User can set the FAST VP data relocation rate
Correct Answer: D
100
```
Which UEM/CLI command is used to verify the FC ports designated as synchronous on the SPs?
A. /remote/sys show -fc
B. /remote/sys show -detail
C. /remote/sys show -summary
D. /remote/sys show -sp
```
Correct Answer: B
101
```
According to best practices, what is the maximum latency of the link between local and remote systems when using synchronous replication?
A. 5 ms
B. 10 ms
C. 20 ms
D. 40 ms
```
Correct Answer: B
102
```
What is the minimum requirement for a server to boot from a Dell EMC Unity XT storage system via iSCSI?
A. Hardware iSCSI HBA
B. TOE NIC
C. Software iSCSI
D. iSCSI Initiator
```
Correct Answer: D
103
What is a consideration when specifying a Dial Home suppression time for a Dell EMC Unity XT storage array?
A. Can be lengthened or shortened
B. The time zone where the array is located
C. Should be set between 1 and 32 hours
D. Can be enabled at any time
Correct Answer: C
104
A storage administrator configured a Hybrid Dell EMC Unity XT storage system using one default port containing three disk types. They need additional Flash
capacity.
What is the correct way to expand the pool?
A. Add a RAID Group of SAS Flash 4 drives to the pool
B. Add 2 SAS Flash drives to the FAST Cache
C. Add 1 SAS Flash drive to the pool
D. Add a RAID Group of SAS Flash drives to the pool
Correct Answer: A
105
What storage resources can be provisioned to a host that is connected to a Dell EMC Unity XT storage system via Fibre Channel?
A. LUNs, CIFS shares, and Consistency Group LUNs
B. VMFS datastores, NFS datastores, and VVol(file) datastores
C. LUNs, Consistency Group LUNs, and NFS datastores
D. Consistency Group LUNs, VMFS datastores, and VVol (block) datastores
Correct Answer: B
106
A company has a VMware host installed with FC HBAs that is connected to a Dell EMC Unity XT storage array. A 500 GB LUN is provisioned to this host from the
Unity array and is in production. The VMware administrator has configured a new vSwitch with the NICs on the server intended for iSCSI traffic. The storage
administrator is asked to configure software iSCSI and provision a new 1 TB LUN from the storage array via iSCSI.
What is a consideration when satisfying this request?
A. A connection must be established between the host iSCSI initiators and Unity iSCSI targets before provisioning the new LUN
B. Any single host should connect to any single array using one protocol only
C. The iSCSI configuration must use all the NIC connections to the host
D. Two iSCSI target interfaces must be configured with IP addresses from separate subnets
Correct Answer: D
107
A company with multiple remote offices has decided to use synchronous replication. What systems support this capability?
A. Dell EMC Unity XT and Dell EMC UnityVSA
B. Dell EMC UnityVSA only
C. Dell EMC UnityVSA and VNXe
D. Dell EMC Unity XT only
Correct Answer: D
108
How does Dell EMC Unity XT differ from Dell EMC UnityVSA?
A. Unity XT supports FAST VP only
UnityVSA supports FAST VP and FAST Cache
B. Unity XT supports host I/O limits and monitoring and reportingUnityVSA supports monitoring and reporting only
C. UnityXT supports FAST VP and FAST Cache.UnityVSA supports FAST VP only
D. UnityXT supports monitoring and reporting only
UnityVSA supports host I/O limits and monitoring and reporting
Correct Answer: C
109
```
By default, the storage system transfers log information on which network port?
A. 138
B. 464
C. 514
D. 2049
```
Correct Answer: C
110
```
A storage administrator has added multiple resources to a single density-based Host I/O Limit policy for the following storage resources: LUN A: 25 GB
LUN B: 25 GB
LUN C: 50 GB
Density-Based Limit 20 IOPS
What is the total IOPS set by this policy?
A. 200
B. 500
C. 2000
D. 2500
```
Correct Answer: A
111
```
Which quota policy calculates disk usage in 8 KB units?
A. File Size
B. Block
C. User
D. Directory Tree
```
Correct Answer: B
112
```
You are initializing a Dell EMC Unity XT system. What are the default user credentials?
A. admin/password 123#
B. administrator/password123#
C. admin/Password123#
D. administrator/Password123#
```
Correct Answer: C
113
While provisioning storage on a Dell EMC Unity XT array, the Create LUN wizard becomes unresponsive. To resolve the issue, the storage administrator plans to
restart the management server from the Unisphere GUI.
Which account password is needed for this activity?
A. Global admin
B. Local admin
C. LDAP user
D. Service
Correct Answer: D
114
```
What types of file retention are available with the Dell EMC Unity XT family arrays?
A. Professional and Enterprise editions
B. Community and Professional editions
C. Enterprise and Compliance
D. Integrated and Centralized
```
Correct Answer: C
115
A storage administrator performs a monthly performance analysis of a Dell EMC Unity XT storage array using CloudIQ insight reports. Three LUNs are set with a
Host IO Limits policy. The administrator discovers that the throughput IOPS on one LUN (Test_LUN) has increased by 1000 IOPS compared to the two previous
months.
What is a possible root cause of the spike in IOPS?
A. Test_LUN was expanded by 100 GB and a Density-based Host IO limit policy was set for all three LUNs
B. Test_LUN was expanded by 100 GB and a Density-based Host IO limit policy was set only for Test_LUN
C. Host IO limit of Test_LUN was edited and the limit was increased by 1000 IOPS
D. Another Absolute Host IO limit policy with additional 1000 IOPS was set on Test_LUN
Correct Answer: C
116
A storage administrator needs to shrink their FAST Cache on a Dell EMC Unity XT storage system. The current configuration consists of six 400 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. 5
D. 6
Correct Answer: D
117
A storage administrator attempts to restart the Management Server to resolve Unisphere issues, but is unable to do so. What is a possible reason for this issue?
A. SP is in Reset and Hold mode
B. SP is in Maintenance mode
C. Both SPs are in Service mode
D. Only one SP is in Service mode
Correct Answer: A
118
```
What determines the fault characteristics of a disk group?
A. Drive speed
B. Stripe width
C. Drive type
D. D@RE
```
Correct Answer: B
119
```
When scheduling snapshots, what is the smallest snapshot frequency that can be selected?
A. Days
B. Hours
C. Minutes
D. Seconds
```
Correct Answer: B
120
```
Assuming that there are 240 snapshots created for the Base LUN on a Dell EMC Unity XT array, what is the maximum number of Thin Clones that can be created
from that Base LUN?
A. 8
B. 16
C. 32
D. 64
```
Correct Answer: D
121
What are the available file system states within an FLR-enabled file system?
A. Append-only, Locked, and Protected
B. Not-Locked, Append-only, Locked, and Expired
C. Append, No-append, Locked, and Protected
D. Protected, Not-Locked, Expired, and Protected
Correct Answer: B
122
What is a possible reason for the health score of 70 that is associated with the Test_Dev storage pool?
A. Data protection for this storage pool is not configured
B. Storage pool is full and oversubscribed, and needs attention
C. Storage pool performance is impacted because of prolonged disk queue length
D. Storage pool has a component failure and needs attention
Correct Answer: C
123
A storage administrator is monitoring the pool Capacity of two identical Dell EMC Unity XT systems. Each system has every LUN replicated to the other system
and all replication sessions are in sync. Both systems are used for production storage. CloudIQ is receiving updates from both systems, but shows that one of
them is filling up more quickly than the other.What is a possible explanation for this behavior?
A. One of the Unity systems is used less than the other one
B. Dell EMC Unity Data Reduction is not identically enabled on LUNs on both systems.
C. CloudIQ is not receiving the same amount of updates from one of the two systems.
D. Dell EMC Unity Data Reduction license is not enabled on one of the two systems.
Correct Answer: B
124
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
Correct Answer: D
