2024 D-UN-DY-23 Question Bank: Free PDF Download Recently Updated Questions
D-UN-DY-23 Certification Exam Dumps with 38 Practice Test Questions
NEW QUESTION # 14
A company has an ESXi host installed with FC HBAs that is connected to a Dell 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 using 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. Two iSCSI target interfaces must be configured with IP addresses from separate subnets.
- C. Any single host should connect to any single array using one protocol only.
Answer: C
Explanation:
Explanation
Mixing FC and iSCSI protocols for the same host and array is not supported by Dell EMC Unity. This can cause issues with multipathing, failover, and performance. The best practice is to use one protocol per host and array pair. If the host needs to access both FC and iSCSI LUNs from different arrays, then separate vSwitches and port groups should be used for each protocol. References: Dell EMC Unity: Best Practices Guide1, page
19.
NEW QUESTION # 15
On a Dell Unity XT file system asynchronous replication session, how many system Snapshots are required to support replication?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
Explanation
On a Dell Unity XT file system asynchronous replication session, four system Snapshots are required to support replication. Two system Snapshots are created on the source file system, and two system Snapshots are created on the destination file system. The source system Snapshots are used to track the changes that need to be replicated, and the destination system Snapshots are used to apply the changes and maintain a consistent point-in-time copy of the source data. The system Snapshots are automatically created and managed by the replication engine and are not visible to the user.
References: [Dell EMC Unity: Replication Technologies], [Dell EMC Unity: File System Configuration]
NEW QUESTION # 16
Multiple I/O modules must be installed in Dell Unity XT 680 storage.
Which module must be installed in slot 0?
- A. 4-Port 25 Gbps Ethernet
- B. 4-Port 10 Gbps Ethernet
- C. 4-Port 16 Gb Fibre Channel
- D. 12 Gb/s SAS back-end
Answer: D
Explanation:
Explanation
The Unity XT 680 system supports four types of I/O modules: 12 Gb/s SAS back-end, 4-Port 16 Gb Fibre Channel, 4-Port 25 Gbps Ethernet, and 4-Port 10 Gbps Ethernet. The 12 Gb/s SAS back-end module provides connectivity to the disk drives and expansion enclosures, while the other three types of modules provide network connectivity to the hosts and clients. The Unity XT 680 system has six I/O module slots, three for each SP. The 12 Gb/s SAS back-end module must be installed in slot 0 of each SP, and the other modules can be installed in slots 1 and 2 of each SP. Therefore, the correct answer is D. 12 Gb/s SAS back-end. References
:
Dell EMC Unity XT: Hardware Information Guide
Dell EMC Unity XT: Installation Guide
NEW QUESTION # 17
Which firewall ports are required to be open for a successful outbound connection when configuring integrated secure connect gateway?
- A. 80 and 443
- B. 80 and 9443
- C. 9443 and 443
- D. 443 and 8443
Answer: D
Explanation:
Explanation
The firewall ports that are required to be open for a successful outbound connection when configuring integrated secure connect gateway are 443 and 8443. Integrated secure connect gateway is a feature that enables secure remote access to the Dell Unity system through the Unisphere Central web portal. It requires an outbound connection from the Dell Unity system to the Unisphere Central server over the internet. Port 443 is used for HTTPS communication and port 8443 is used for WebSocket communication.
References: [Dell EMC Unity: Unisphere Overview], [Dell EMC Unity: Integrated Secure Connect Gateway]
NEW QUESTION # 18
What is the maximum size of a drive partnership group when expanding a Dynamic Pool?
- A. 84 drives
- B. 64 drives
- C. 96 drives
- D. 32 drives
Answer: D
Explanation:
Explanation
A drive partnership group is a collection of drives of the same drive type that have been combined into a hidden dynamic pool object. Each drive within a dynamic pool can only be part of a single drive partnership group, and a drive will never change the drive partnership group. The maximum size of a drive partnership group is 32 drives, regardless of the drive type or size. When expanding a dynamic pool, the system will automatically create new drive partnership groups as needed, and distribute the drives evenly across the groups. The number of drive partnership groups in a dynamic pool is equal to the number of drives divided by
32, rounded up to the nearest integer. References: Dell Unity: Dynamic Pools2, page 5.
NEW QUESTION # 19
A company needs to expand their dynamic pool by 10 TB. The current dynamic pool consists of 63 7.6 TB SSD drives that are configured for RAID 5 (12+1).
What is the minimum number of drives needed for the pool expansion?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
Explanation
To expand a dynamic pool, the number of drives added must be equal to or greater than the stripe width of the pool. The stripe width is the number of data drives plus the number of parity drives in a RAID group. In this case, the stripe width is 12 + 1 = 13. Therefore, the minimum number of drives needed for the pool expansion is 13. References: Dell EMC Unity: Dynamic Pools Technical White Paper1, page 8.
NEW QUESTION # 20
Which are two ways to create an asynchronous replication session for a NAS server? (Choose two.)
- A. Create replication connect.
- B. Use the NAS server wizard.
- C. Create replication interface.
- D. Use NAS server properties.
Answer: B,D
Explanation:
Explanation
Two ways to create an asynchronous replication session for a NAS server are to use NAS server properties and to use the NAS server wizard. Both methods allow the user to select a source NAS server and a destination NAS server, and configure the replication settings, such as the RPO, the replication schedule, and the replication mode. Creating a replication connection or a replication interface are not ways to create an asynchronous replication session for a NAS server, but rather prerequisites for enabling replication between two Dell Unity systems.
References: [Dell EMC Unity: Replication Technologies], [Dell EMC Unity: NAS Capabilities]
NEW QUESTION # 21
A system administrator deployed a UnityVSA to their vSphere environment. They did not add the management IP to the UnityVSA during the installation.
Which command must be used to apply the management IP from the vSphere UnityVSA console?
- A. svc_initial_config
- B. svc_inject
- C. svc_ipmi
- D. svc_change_hw_config
Answer: A
Explanation:
Explanation
To apply the management IP from the vSphere UnityVSA console, the system administrator must use the svc_initial_config command. This command allows the user to configure the initial network settings for the UnityVSA, such as the management IP address, subnet mask, gateway, and DNS servers. The svc_ipmi command is used to configure the IPMI settings for the UnityVSA, such as the IPMI IP address, username, and password. The svc_change_hw_config command is used to change the hardware configuration of the UnityVSA, such as the number of CPU cores, memory size, and disk size. The svc_inject command is used to inject faults into the UnityVSA for testing purposes.
References: [Dell EMC UnityVSA Installation Guide], [Dell EMC UnityVSA Command Line Interface Reference Guide]
NEW QUESTION # 22
A storage administrator has a Dell Unity XT 480 system with one pool of flash drives, 192 GB of RAM, and
1.2 TB of FAST Cache.
What is the total cache availability for caching the flash drives?
- A. 3.2 TB
- B. I6.0 TB
- C. 3.58 TB
- D. 1.39 TB
Answer: C
Explanation:
Explanation
The total cache availability for caching the flash drives on a Dell Unity XT 480 system with one pool of flash drives, 192 GB of RAM, and 1.2 TB of FAST Cache is 3.58 TB. This is calculated by adding the system memory (RAM), the FAST Cache, and the pool cache. The system memory is 192 GB, which is equivalent to
0.18 TB. The FAST Cache is 1.2 TB, which is a dedicated cache for the flash drives. The pool cache is 2.2 TB, which is a portion of the flash drives that is reserved for caching the pool data. Therefore, the total cache availability is 0.18 + 1.2 + 2.2 = 3.58 TB.
References: [Dell EMC Unity: Performance Metrics], [Dell EMC Unity: FAST Cache Overview]
NEW QUESTION # 23
What is the maximum number of drives on a traditional RAID Group?
- A. 16 drives
- B. 32 drives
- C. 64 drives
- D. 8 drives
Answer: A
Explanation:
Explanation
The maximum number of drives on a traditional RAID group depends on the RAID type and the drive type.
For RAID 5 and RAID 6, the maximum number of drives is 16 for all drive types. For RAID 1/0, the maximum number of drives is 32 for SAS and NL-SAS drives, and 16 for SSD drives. References: Dell EMC Unity: Best Practices Guide2, page 17.
NEW QUESTION # 24
What three VMware datastore types can be defined by using UI or CLI interfaces from the Dell Unity XT platform? (Choose three.)
- A. NFS (File!
- B. RDM
- C. vVol (Block)
- D. VMFS (Block)
- E. SMB
Answer: A,C,D
Explanation:
Explanation
VMware datastore is a logical container that holds virtual machine files and other data. There are three types of VMware datastore that can be defined by using UI or CLI interfaces from the Dell Unity XT platform:
vVol (Block): A vVol datastore is a block-based storage object that is formatted with the VMware Virtual Volumes (vVol) framework and used to store virtual machine files and metadata. A vVol datastore can be created by using the Unisphere UI or the UEMCLI interface on the Dell Unity XT system. A vVol datastore can provide granular control, policy-based management, and improved performance for virtual machines.
NFS (File): An NFS datastore is a file-based storage object that is formatted with the Network File System (NFS) protocol and used to store virtual machine files and other data. An NFS datastore can be created by using the Unisphere UI or the UEMCLI interface on the Dell Unity XT system. An NFS datastore can provide scalability, flexibility, and efficiency for virtual machines.
VMFS (Block): A VMFS datastore is a block-based storage object that is formatted with the VMware File System (VMFS) and used to store virtual machine files and other data. A VMFS datastore can be created by using the Unisphere UI or the UEMCLI interface on the Dell Unity XT system. A VMFS datastore can provide high performance, reliability, and compatibility for virtual machines.
References:
Dell EMC Unity: VMware ESXi Hosts and Clusters
Dell EMC Unity: Unisphere Overview
Dell EMC Unity: Unisphere CLI User Guide
NEW QUESTION # 25
What is a characteristic of Host Groups?
- A. Block storage resources attached to one of the member hosts are accessible to the entire host group.
- B. Hosts added to a host group must not have mapped block storage resources.
- C. Access to block storage resources must be set before adding hosts to a host group.
- D. Block storage resources addedlo a host group are accessible to all the member hosts
Answer: D
Explanation:
Explanation
A characteristic of Host Groups is that block storage resources added to a host group are accessible to all the member hosts. A Host Group is a logical grouping of hosts that share the same access permissions and settings for block storage resources. By adding block storage resources to a host group, the user can simplify the management and allocation of storage for multiple hosts. Access to block storage resources does not need to be set before adding hosts to a host group, as the access permissions can be modified later. Hosts added to a host group can have mapped block storage resources, as long as they are not in conflict with the host group resources. Block storage resources attached to one of the member hosts are not accessible to the entire host group, unless they are also added to the host group.
References: [Dell EMC Unity: Host Configuration], [Dell EMC Unity: Block Storage Provisioning]
NEW QUESTION # 26
What are two prerequisites when creating host configuration for NFS client? (Choose two.)
- A. Network Address
- B. Subnet access
- C. Tenant information
- D. Hostname
Answer: A,D
Explanation:
Explanation
Host configuration is the process of defining the host properties and access permissions for a host that connects to the Dell Unity XT system. For NFS clients, the host configuration requires two prerequisites:
Network Address: The network address is the IP address or the subnet mask of the NFS client that identifies the host on the network. The network address is used to register the host on the Dell Unity XT system and to grant access to the NFS filesystems.
Hostname: The hostname is the name of the NFS client that is resolved by the DNS server or the local hosts file. The hostname is used to display the host information on the Unisphere UI and to enable host monitoring and alerting.
References:
Dell EMC Unity: Host Configuration
Dell EMC Unity: File System Configuration and Management
NEW QUESTION # 27
Which are two features of the Dell UnityVSA? (Choose two.)
- A. Dynamic Pools
- B. iSCSI Connectivity
- C. Asynchronous Replication
- D. NVMe Connectivity
- E. FC Connectivity
Answer: B,C
Explanation:
Explanation
The Dell UnityVSA is a software-defined storage solution that runs the Dell Unity operating environment on a VMware ESXi server. The Dell UnityVSA provides the same features and functions as the Dell Unity hardware platform, such as block and file storage, snapshots, thin clones, data reduction, replication, and encryption. Some of the features of the Dell UnityVSA are:
iSCSI Connectivity: The Dell UnityVSA supports iSCSI connectivity for block storage access. The iSCSI protocol enables hosts to communicate with the DellUnityVSA over an IP network and access LUNs as SCSI devices. The Dell UnityVSA can support up to 64 iSCSI interfaces and up to 256 iSCSI sessions per interface.
Asynchronous Replication: The Dell UnityVSA supports asynchronous replication for block and file storage. Asynchronous replication is a feature that copies data from a source storage resource to a destination storage resource over a network at scheduled intervals. Asynchronous replication can be used for disaster recovery, data migration, or backup purposes. The Dell UnityVSA can support up to
256 replication sessions per system.
References:
Dell EMC Unity: Introduction to the Platform
Dell EMC Unity: Deploying VMware vSphere with Dell EMC UnityVSA
Dell EMC Unity: Configuring Hosts to Access Block Storage
Dell EMC Unity: Replication Technologies
NEW QUESTION # 28
Which I/O modules does the Unity 380/380F system support?
- A. 32 Gb/s Fibre Channel
2-Port 100 GbE - B. 32 Gb/s Fibre Channel
10 GbE Base-T - C. 12 Gb/s SAS
10 GbE Base-T - D. 12 Gb/s SAS
2-Port 100 GbE
Answer: C
Explanation:
Explanation
The Unity 380/380F system supports two types of I/O modules: 12 Gb/s SAS back-end and 10 GbE Base-T front-end. The 12 Gb/s SAS back-end module provides connectivity to the disk drives and expansion enclosures, while the 10 GbE Base-T front-end module provides network connectivity to the hosts and clients.
The Unity 380/380F system has four I/O module slots, two for each SP. The 12 Gb/s SAS back-end module must be installed in slot 0 of each SP, and the 10 GbE Base-T front-end module can be installed in slot 1 of each SP. Therefore, the correct answer is C. 12 Gb/s SAS 10 GbE Base-T. References:
Dell EMC Unity: Hardware Information Guide
Dell EMC Unity: Installation Guide
NEW QUESTION # 29
......
The Dell Unity Deploy 2023 Certification Exam is a globally recognized certification that offers candidates a way to differentiate themselves in the competitive world of storage and data management. Dell Unity Deploy 2023 Exam certification is a valuable asset for IT professionals who are seeking to advance their careers in the field of storage and data management. Employers worldwide recognize and value the expertise and knowledge of candidates who hold this certification, making it a valuable addition to any IT professional's resume.
New D-UN-DY-23 Exam Dumps with High Passing Rate: https://pass4sure.actual4cert.com/D-UN-DY-23-pass4sure-vce.html