D-PDD-OE-01 Sample Questions & Answers
Configuring system and support settings plus managing access and network interfaces makes up half the weighting, alongside troubleshooting backup, replication and connectivity issues, moving data through Cloud Tier, and integrating backup applications.
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- Question 1Beginner
Active Tier Administration · Configure system and support settings
When configuring email-based Autosupport (ASUP) reporting on a PowerProtect Data Domain appliance, which destination email address must be included in the detailed Autosupport mailing list to ensure telemetry and system state reports are processed by Dell Technologies support?
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Correct answer: D
DD OS specifically requires [email protected] to be present in the detailed Autosupport mailing list to route automated telemetry reports into Dell Technologies customer support infrastructure. This address is verified and utilized by the autosupport add asup-detailed emails CLI command and DD System Manager.
- Question 2IntermediateSelect 2
Active Tier Administration · Configure system and support settings
Which TWO statements correctly describe the default schedules, notification channels, or behaviors of Autosupport (ASUP) and alerts on a PowerProtect Data Domain system? (Select TWO)
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Correct answers: C, E
The daily Autosupport report runs by default every day at 06:00 a.m. local appliance time unless modified by the administrator. Additionally, support notifications can be delivered either via direct SMTP email to datadomain.com or via a SupportAssist/Secure Remote Services (SRS) gateway. Alert summaries can be sent via standard email, daily ASUP does not initiate cleaning, and test emails can be sent via CLI or DD System Manager without bash access.
DD OS allows the support notification channel under Maintenance > Support > Autosupport to be selected as direct Email to datadomain.com or through a secure SupportAssist/SRS gateway.
- Question 3Beginner
Active Tier Administration · Configure network interface administration
An administrator is creating virtual network interfaces on a PowerProtect Data Domain appliance using the CLI. What naming standard and quantity restriction does DD OS enforce for virtual interfaces?
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Correct answer: D
DD OS mandates that all virtual interfaces follow the naming convention veth (e.g., veth0, veth1). Additionally, DD OS enforces the restriction that the total number of configured virtual interfaces cannot exceed the count of physical interfaces installed in the system.
- Question 4Advanced
Active Tier Administration · Apply retention lock to storage units
A financial services institution operates two PowerProtect Data Domain environments: a physical DD9400 in their primary datacenter and a PowerProtect Data Domain Virtual Edition (DD VE) instance in Microsoft Azure for disaster recovery. The compliance division requires Write-Once-Read-Many (WORM) storage for SEC Rule 17a-4(f) regulatory compliance on trading records, requiring dual authorization for configuration modifications and strict non-revertible file retention. Concurrently, the legal department requires a tamper-evident retention mechanism for internal human resources correspondence, but requires the flexibility for administrative override in the event of formal litigation holds being lifted by court order.
During the architecture review, the lead storage administrator proposes deploying Retention Lock Compliance on both the physical DD9400 and the cloud DD VE, while assigning the admin role to a single individual to manage both retention locking and file deletions.
What architectural constraint violates DD OS product rules, and what administrative action is required to enforce SEC 17a-4(f) dual authorization on the physical system?
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Correct answer: B
DD Retention Lock Compliance strictly adheres to regulatory rules such as SEC 17a-4(f) and is NOT supported on PowerProtect DD Virtual Edition (DD VE) in any hypervisor or cloud environment (nor on DD3300); DD VE supports only Retention Lock Governance. Furthermore, Retention Lock Compliance enforces dual authorization, meaning any sensitive action initiated by an admin requires real-time authorization from an independent user holding the security role (Security Officer).
sequenceDiagram participant Admin as Lead Administrator (admin role) participant DDOS as DD OS Engine (DD9400) participant SecOff as Security Officer (security role) Admin->>DDOS: Execute compliance-sensitive command DDOS-->>Admin: Dual Authorization Required Prompt DDOS->>SecOff: Request Security Officer credentials SecOff->>DDOS: Authenticate & approve execution DDOS-->>Admin: Command authorized and completed - Question 5Beginner
Active Tier Administration · Manage file system
A backup operator deletes three obsolete MTrees and purges thousands of historical snapshots to free up capacity on a busy PowerProtect Data Domain appliance. However, immediately after running these operations, filesys show space shows that available disk capacity has not increased. Why has disk space not been reclaimed?
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Correct answer: C
In PowerProtect Data Domain systems, deleting files, snapshots, or MTrees simply removes pointers/metadata references. The physical disk blocks are not freed or returned to the available capacity pool until file system cleaning (garbage collection) executes and finishes. In addition, an MTree name remains reserved until cleaning completes.
- Question 6Intermediate
Active Tier Administration · Manage file system
An administrator observes that file system cleaning is running during an unexpected backup ingest window and executes filesys clean stop from the CLI. What is the consequence of stopping cleaning prematurely, and how does the DD OS cleaning throttle behave under default operational conditions?
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Correct answer: C
Executing filesys clean stop causes the cleaning process to terminate immediately, resulting in the loss of all progress made during that cleaning run; restarting cleaning begins from phase one. By default, the cleaning throttle is set to 50% CPU/resource utilization; however, DD OS dynamically scales cleaning allocation up to 100% if no client backup or restore activity is detected.
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