DELL EMC D-PDPS4400-A-01 Practice Exams
Last updated on Oct 21,2026- Exam Code: D-PDPS4400-A-01
- Exam Name: Dell PowerProtect DP Series Appliances DP4400 Achievement
- Certification Provider: DELL EMC
- Latest update: Oct 21,2026
What command is used to check the current status of Avamar services before upgrading?
- A . filesys status
- B . system show version
- C . dpnctl status
- D . vmware status
C
Explanation:
The dpnctl status command is used to check the operational status of Avamar services.
Which step comes FIRST when upgrading the Data Domain OS (DDOS)?
- A . Reboot the system
- B . Run dpnctl stop
- C . Upload the upgrade package
- D . Execute log view debug
C
Explanation:
The upgrade process starts by accessing the system manager and uploading the DDOS upgrade package.
What test is recommended immediately after installation of Avamar and Data Domain to verify system functionality?
- A . Run software upgrade check
- B . Perform network bandwidth test
- C . Run a backup and restore job
- D . Test RAID rebuild functionality
C
Explanation:
Performing a test backup and restore confirms that Avamar and Data Domain are operating correctly and data integrity is maintained.
In the vSphere Web Client, where can you monitor ESXi host performance metrics such as CPU, memory, and network utilization?
- A . Host Hardware > Alerts
- B . Configuration > Services
- C . Host Summary > Performance Metrics
- D . VM Summary > Snapshots
C
Explanation:
Performance metrics including CPU, memory, and network are available in the Host Summary tab.
During physical installation, the DP4400 RAID configuration fails to initialize properly. Upon investigation, you find that one of the drives is marked “foreign” in the RAID BIOS.
What is the BEST course of action?
- A . Replace the drive immediately
- B . Use the RAID BIOS utility to clear the foreign configuration
- C . Bypass RAID setup and proceed with software installation
- D . Reboot the system to auto-clear the drive
B
Explanation:
Drives previously used in other systems may appear as “foreign.” Clearing the foreign configuration allows the drive to be integrated into a new RAID group.
Which of the following actions is recommended if iDRAC is inaccessible during installation?
- A . Restart the appliance immediately
- B . Connect a USB keyboard and monitor directly to the DP4400
- C . Reset the BIOS
- D . Install Avamar without configuring iDRAC
B
Explanation:
If iDRAC is not accessible, using local console access with a keyboard and monitor allows initial setup and troubleshooting.
What should be the first step if you receive a “Data Domain storage full” warning?
- A . Increase the compression ratio
- B . Run filesys clean start
- C . Restart Data Domain services
- D . Reduce the backup schedule frequency
B
Explanation:
This command initiates cleanup of deleted and orphaned data, recovering usable space on the appliance.
Which of the following issues might occur if the DDOS upgrade is incompatible with the existing environment?
- A . Avamar backup failures
- B . System booting into maintenance mode
- C . ESXi host crash
- D . Upgrade failure and possible rollback requirement
D
Explanation:
An incompatible DDOS upgrade may cause failure and require reverting to a compatible version using the rollback procedure.
A customer requires that all backup jobs for their databases are retained for 1 year, while general file backups are retained for 30 days.
How should this be implemented in Avamar?
- A . Create one backup group and apply a 1-year retention
- B . Assign the same schedule but change the backup time
- C . Create separate backup groups with distinct retention policies
- D . Configure retention on the Data Domain side only
C
Explanation:
Avamar backup policies are assigned at the group level. Creating two separate groups allows setting unique retention periods per data type.
What is the purpose of the command dpnctl backup in the context of disaster recovery?
- A . It initiates a test restore from the latest backup
- B . It purges stale backup records
- C . It backs up Avamar’s configuration and metadata
- D . It restarts all backup jobs
C
Explanation:
This command is used to export essential system configuration as part of a disaster recovery strategy.