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| Section | Weight | Objectives |
|---|---|---|
| Monitoring and Maintenance | 18% | - System health and performance monitoring
|
| Integration with Application Software | 14% | - Integration with backup and recovery applications
|
| Troubleshooting | 18% | - Troubleshoot backup, restore, replication and DR issues
|
| Cloud Tier Administration | 18% | - Cloud Tier configuration and management
|
| System Administration and Configuration | 32% | - System access and management configuration
|
| Data Protection and Retention Management | 18% | - Replication policy creation and management
|
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12. Frage
An implementation engineer is at a customer site and is powering up the Dell PowerProtect Data Domain DD9910 with three DS600 expansion shelves.
What must be done before powering up the controller?
Antwort: A
Begründung:
Comprehensive and Detailed Explanation From PowerProtect Data Domain Deploy During the initial power-up of a Dell PowerProtect DD9910 with DS600 expansion shelves, the engineer must ensure that all connected disk shelves receive power before the controller starts.
The Dell DD9410 and DD9910 System Installation, Storage Expansion, and HA Upgrade Guide states:
Connect the power cables to power on the disk shelves before powering on the controller.
Dell Aruba
This startup sequence ensures that the SAS expansion enclosures and their storage devices are powered and available when the controller initializes its storage subsystem.
The DS600 shelves contain the physical disks used for Data Domain storage. Powering the shelves first allows the enclosure electronics, SAS expanders, and storage devices to initialize before DDOS begins hardware discovery.
Each DS600 shelf has two power supplies. Dell specifies connecting these supplies to redundant AC power sources to maintain availability if one power source fails.
Dell Ireland
Option B describes an important deployment verification task but does not establish the required storage power sequence. Option C concerns chassis identification rather than storage initialization. Option D provides a management access method but is not the required action before controller startup.
Following the correct power sequence reduces the likelihood of incomplete storage discovery and unnecessary hardware troubleshooting during initial configuration.
Therefore, the three DS600 expansion shelves must be powered before the DD9910 controller is powered on.
References: Dell PowerProtect Data Domain Deploy - Deployment, Hardware Installation and Power-Up Procedures; Dell DD9410 and DD9910 System Installation, Storage Expansion, and HA Upgrade Guide - Connecting Disk Shelf Power Cables and Connecting Controller Power Cables and Powering On.
13. Frage
Your customer requires that no Dell PowerProtect Data Manager backups are deleted, but they also want the flexibility to modify the expiration period once a legal hold is lifted.
Which Dell PowerProtect Data Domain feature would meet the customer's needs?
Antwort: C
Begründung:
Comprehensive and Detailed Explanation From PowerProtect Data Domain Deploy Dell PowerProtect Data Domain Retention Lock Governance (RL-G) provides protection against unauthorized modification and deletion of backup data while preserving administrative flexibility over retention policies.
When Retention Lock Governance is enabled on an MTree, backup files can be locked for a defined retention period. During this period, ordinary backup and deletion operations cannot modify or remove the protected files.
Dell's PowerProtect Data Domain Retention Lock Software Overview confirms that Governance mode permits administrators to change an MTree's minimum and maximum retention settings, extend retention periods, and perform authorized retention-lock reversal operations.
Dell USA
This flexibility is important when an organization needs to preserve backups during litigation, regulatory investigations, or other legal proceedings and subsequently manage retention according to revised business requirements.
Governance mode can also use Indefinite Retention Hold (IRH), which prevents deletion while the hold remains active. Releasing a legal hold does not automatically delete backups or eliminate an independently applicable retention lock.
Option B is incorrect because disabling or locking access to the file system does not provide granular retention management. Option C concerns long-term storage tiering. Option D provides stronger compliance- oriented immutability but restricts administrative reversal of locked records.
Therefore, Retention Lock Governance provides the appropriate balance between backup protection and authorized retention-management flexibility.
References: Dell PowerProtect Data Domain Deploy - Post-Deployment, Data Protection and Retention Management; Dell PowerProtect Data Domain Retention Lock Software Overview - Retention Lock Governance, File Locking Protocol, and Indefinite Retention Hold.
14. Frage
An implementation engineer is racking a Dell PowerProtect Data Domain appliance at a customer site. The controller and all expansion shelves are in the rack, and all the data cables are connected.
What must they validate before connecting the power cables?
Antwort: B
Begründung:
Comprehensive and Detailed Explanation From PowerProtect Data Domain Deploy Before applying electrical power to a Dell PowerProtect Data Domain appliance, the implementation engineer must verify that the available input voltage matches the electrical specifications of the controller and all attached expansion shelves. This is a fundamental pre-deployment requirement because different Data Domain hardware components can have different voltage specifications.
The Dell PowerProtect DD9400 System Installation and Storage Expansion Guide specifies:
A DD9400 system must be operated only from a power supply input voltage range of 100-240 VAC and 50-
60 Hz.
The same guide specifies that DS60 and DS600 expansion shelves require 200-240 VAC at 50-60 Hz.
Consequently, an electrical supply suitable for the controller may not necessarily satisfy the requirements of every expansion shelf.
The engineer must also verify appropriate grounding, power distribution unit capacity, circuit protection, and the availability of independent power feeds for redundant power supplies.
Option A is incorrect because three-phase power is not universally required; the supported power configuration depends on the rack and installation specifications. Option C describes an important redundancy consideration but does not replace electrical compatibility verification. Option D is incorrect because Data Domain appliances commonly incorporate redundant power supplies.
Therefore, validating the voltage against the system requirements is the essential prerequisite before connecting the power cables.
References: Dell PowerProtect DD9400 System Installation and Storage Expansion Guide - Safety Considerations; Dell PowerProtect DD Hardware Features and Specifications - Site Requirements and Power
/Grounding.
15. Frage
An implementation engineer finds that Dell PowerProtect Data Manager fails to add the Dell PowerProtect Data Domain appliance. The connection test fails.
What three actions should be taken to resolve the issue? (Choose three.)
Antwort: A,B,E
Begründung:
Comprehensive and Detailed Explanation From PowerProtect Data Domain Deploy Successful integration between Dell PowerProtect Data Manager (PPDM) and a PowerProtect Data Domain appliance depends on correctly configured storage services, management network connectivity, and valid authentication credentials. When the storage registration connection test fails, the engineer should investigate these dependencies before performing disruptive maintenance.
A). Check DD Boost service status: DD Boost provides optimized integration between Data Domain and supported backup applications. The engineer should verify that the service is enabled and operational. Dell's PowerProtect Data Manager connectivity troubleshooting documentation specifically identifies DD Boost availability as a validation requirement when a protection storage connection cannot be verified.
Dell US
B). Verify network connectivity: The engineer must confirm IP reachability, DNS resolution, routing, and firewall configuration between PPDM and Data Domain. Dell specifies TCP port 3009 as the default SSL management communication port used when adding protection storage.
Dell US
E). Check credentials: Incorrect passwords, expired credentials, or insufficient administrative permissions can prevent storage registration. The configured credentials must permit PPDM to authenticate and manage the protection storage system.
Option C is incorrect because upgrading DDOS is not an initial corrective action unless a documented compatibility or software defect requires it.
Option D is incorrect because restarting the appliance introduces unnecessary disruption and does not directly address the principal connection prerequisites.
Therefore, validating DD Boost service status, network connectivity, and authentication credentials provides the appropriate initial troubleshooting approach.
References: Dell PowerProtect Data Domain Deploy - Deployment, PowerProtect Data Manager Integration and Troubleshooting; Dell PowerProtect Data Manager Administrator Guide - Add Protection Storage; Dell PowerProtect Data Manager Network-Attached Storage User Guide - Connectivity Troubleshooting.
16. Frage
What information does the daily Autosupport report contain?
Antwort: B
Begründung:
The autosupport command manages system reports. Command options enable administrative users to manage two reports that describe the state of a Data Domain system: the autosupport report and the daily alert summary.
Reference: https://www.delltechnologies.com/asset/en-us/products/data-protection/technical-support
/docu95816.pdf
17. Frage
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