DES-1D12 Specialist - Technology Architect, Midrange Storage Solutions Exam Practice Questions
Prepare for DES-1D12 with more than an answer.
- Exam fee
- $230 USD
- Level
- Specialist
- Valid for
- Perpetual (credentials earned before retirement do not expire)
- 1
When configuring a Dell Unity XT system for asynchronous replication, what is the default RPO (Recovery Point Objective) available in the Unisphere wizard?
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Correct answer: B
While Unity supports RPOs as low as 5 minutes, the default setting presented in the Unisphere replication wizard is typically 60 minutes. Administrators can adjust this based on requirements.
- 2
A storage architect is sizing a solution and needs to calculate the bandwidth required for replication. The source volume has a daily change rate of 500 GB, and the replication window is 8 hours.
What is the approximate minimum bandwidth required (ignoring protocol overhead and compression benefits)?
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Correct answer: C
Calculation: 500 GB * 1024 * 8 = 4,096,000 Mbits (Total bits). Time = 8 hours * 3600 seconds = 28,800 seconds. Bandwidth = 4,096,000 / 28,800 ≈ 142 Mbps. The closest standard requirement is ~140 Mbps.
- 3
Which CloudIQ feature provides a proactive health score for Dell storage systems, ranging from 0 to 100?
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Correct answer: A
CloudIQ aggregates alerts, performance, and capacity metrics into a single Health Score (0-100) to give administrators an immediate understanding of the system's status.
- 4
When connecting a PowerStore expansion enclosure (NVMe) to the base enclosure, which ports on the base enclosure node are used for the backend connectivity?
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Correct answer: B
PowerStore uses dedicated 100GbE ports on the nodes for backend connectivity to NVMe expansion enclosures. This provides high bandwidth for the NVMe-oF expansion protocol.
- 5
A storage administrator needs to restart the Management Software on a Unity XT system without affecting data access. Which service command should they use in the CLI?
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Correct answer: C
The
svc_restart_mgmtcommand restarts the management software (CIMOM, Unisphere backend) on the Storage Processor without rebooting the SP or disrupting data I/O. - 6
In a PowerStore environment, what is the primary role of the 'Bond0' interface configured during initialization?
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Correct answer: C
Bond0 is the default system bond created on the first two ports of the Mezz card (typically). It carries Management traffic and Intra-Cluster communication traffic. It is critical for cluster health.
- 7
Case Study: A company is migrating from a legacy SC Series array to a new PowerStore 1000T. They have 200 TB of data. They want to use the native import capability.
Which of the following conditions would PREVENT the use of the native PowerStore import tool?
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Correct answer: D
Native Import on PowerStore supports SC Series arrays, but they must be running a minimum SCOS version (typically 7.x) to support the remote import connections. SCOS 6.7 is too old and would require an upgrade before native import can be used.
- 8
You are configuring a Unity XT Dynamic Pool with 800GB SSDs. You add a new drive to the pool.
How does the system utilize this new drive compared to a traditional RAID pool expansion?
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Correct answer: C
In Dynamic Pools, RAID is applied at the extent level, not the disk level. Adding a single drive causes the system to move some extents from existing drives to the new drive, rebalancing the pool without requiring a full RAID restripe or a specific number of drives to match RAID width.
- 9
Which VMware feature is enabled by the VASA provider on a Dell Unity system?
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Correct answer: B
The VASA (vStorage APIs for Storage Awareness) provider allows the storage array to communicate capabilities to vCenter, which is a strict requirement for deploying and managing Virtual Volumes (vVols).
- 10
What is the maximum number of snapshots supported per volume in a Dell PowerStore appliance?
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Correct answer: B
PowerStore supports up to 256 snapshots per volume. This includes user-created and system-generated (protection policy) snapshots.
- 11
A customer wants to isolate network traffic for different departments using a single Unity XT array. They need to ensure that Department A and Department B have completely separate routing tables and cannot communicate with each other's interfaces.
Which Unity feature should be implemented?
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Correct answer: B
Unity's IP Multi-Tenancy feature allows the creation of Tenants. Each tenant has its own dedicated routing table, allowing for overlapping IP addresses and complete network isolation between tenants on the same physical array.
- 12
A Dell EMC PowerStore customer wants to schedule snapshots daily at 6 AM. Which snapshot frequency interval (in minutes) is available?
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