Career upgrade: Learn practical AI skills for better jobs and higher pay.
Level up
PracticeVideosBlogFlashcardsEspañol
All Practice Exams

100+ Free Dell PowerProtect DD Deploy 2023 Practice Questions

Pass your Dell PowerProtect DD Deploy 2023 (D-PDD-DY-23) exam on the first try — instant access, no signup required.

✓ No registration✓ No credit card✓ No hidden fees✓ Start practicing immediately
Dell Technologies does not publicly report pass rates Pass Rate
100+ Questions
100% Free
1 / 100
Question 1
Score: 0/0

Which command lists current MTrees on the DD and their usage?

A
B
C
D
to track
Same family resources

Explore More Dell Technologies Certifications

Continue into nearby exams from the same family. Each card keeps practice questions, study guides, flashcards, videos, and articles in one place.

Dell Avamar Deploy 2023 (D-AV-DY-23)

Practice Questions

Dell Cloud Infrastructure Design 2023 (D-CI-DS-23)

Practice Questions

Dell Data Protection Foundations

Practice Questions

Dell Data Science Associate (D-DS-FN-23)

Practice Questions

Dell Information Storage and Management (DCA-ISM)

Practice Questions

Dell NetWorker Deploy 2023 (D-NWR-DY-23)

Practice Questions
2026 Statistics

Key Facts: Dell PowerProtect DD Deploy 2023 Exam

50

Total Exam Items

41 MCQ + 9 simulations

$230

Exam Fee (USD)

Pearson VUE

120 min

Total Exam Time

75 min Part 1 + 45 min Part 2

63% / 66%

Passing Score

Part 1 / Part 2 (both required)

Pearson VUE

Test Delivery

In-person or online proctored

DES-DD23

Replaces

Legacy Implementation Engineer exam

The Dell PowerProtect DD Deploy 2023 (D-PDD-DY-23) is a specialist-level Dell credential delivered through Pearson VUE for $230 USD. The 120-minute exam has 50 items split across Part 1 (41 multiple-choice questions, 63% to pass) and Part 2 (9 simulations, 66% to pass), and both parts must be passed. It validates the deployment, integration, and administration of PowerProtect DD systems across DDOS architecture, hardware install, Cloud Tier, backup-application integration through DD Boost/OST/DFC, and DDSM/DDMC system administration. D-PDD-DY-23 replaces the legacy DES-DD23 Implementation Engineer exam.

Sample Dell PowerProtect DD Deploy 2023 Practice Questions

Try these sample questions to test your Dell PowerProtect DD Deploy 2023 exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which deduplication technique does Dell PowerProtect DD use to identify redundant data inline at ingest time?
A.Fixed-block deduplication with 4 KB blocks
B.Variable-length segmentation with content-defined chunking
C.Post-process file-level single-instance storage
D.Hash-only matching against a fixed signature table
Explanation: DDOS uses Stream-Informed Segment Layout (SISL) inline deduplication based on variable-length segmentation. Content-defined chunking adapts segment boundaries to the data stream, so that small inserts or shifts in the source file do not break alignment and the same segments are still recognized as duplicates.
2A customer asks how a single backup file is reduced before being written to disk on a PowerProtect DD system. Which sequence describes the DDOS data path?
A.Local compression, then segmentation, then fingerprinting, then encryption
B.Segmentation, fingerprinting, global compression (dedup), local compression, then optional encryption
C.Encryption, segmentation, global compression, local compression
D.Segmentation, local compression, fingerprinting, deduplication
Explanation: Inbound data is segmented with variable-length chunking, each segment is fingerprinted, duplicates are eliminated against the on-disk index (global compression), unique segments are grouped into multi-segment compression regions and locally compressed (LZ/GZ), and finally encrypted (if D@RE is enabled) before being written.
3On a PowerProtect DD appliance, what does the 'global compression' ratio measure?
A.Local LZ/GZ byte savings on a single segment
B.Reduction achieved by deduplicating segments across the entire file system
C.Network bandwidth saved by DD Boost client-side processing
D.The cloud-tier-only space savings after migration
Explanation: Global compression on DD is the deduplication ratio: how much space is saved by recognizing that segments already exist somewhere in the file system. Local compression is the additional LZ/GZ savings applied to those unique segments. Total compression equals global x local.
4Which two statements correctly describe the PowerProtect DD Boost protocol? (Choose the BEST single answer.)
A.It only runs over Fibre Channel and provides no client-side dedup
B.It distributes part of the deduplication workload to the backup client and supports both IP and Fibre Channel transports
C.It is a tape-emulation protocol used in place of VTL
D.It is a replacement for NFS used only by NAS clients
Explanation: DD Boost offloads segmenting and fingerprinting to the backup application or media server through the DD Boost library, so only unique segments traverse the network. It supports both IP (DD Boost over IP) and Fibre Channel (DFC / DD Boost over FC) transports.
5Which of the following BEST distinguishes Retention Lock Compliance (RLC) from Retention Lock Governance (RLG)?
A.RLC is enforced by software only; RLG requires a hardware key
B.RLG can be disabled by the administrator; RLC enforces stricter SEC 17a-4(f)-style immutability and cannot be unlocked or disabled by an administrator
C.RLC supports MTree replication; RLG does not
D.RLG works only on cloud tier; RLC works only on active tier
Explanation: Retention Lock Governance is intended for internal IT policy and can be disabled by a security officer/administrator. Retention Lock Compliance is designed for regulatory immutability such as SEC 17a-4(f) and FINRA, requires dual sign-off, prevents tampering even by an admin, and cannot be disabled while files are locked.
6What is the maximum logical capacity of a single PowerProtect DD Virtual Edition (DDVE) instance running on-premises?
A.16 TB
B.48 TB
C.96 TB
D.256 TB
Explanation: An on-premises DDVE instance can scale up to 96 TB of usable active-tier capacity. APEX Protection Storage (the cloud-hosted edition that runs in AWS, Azure, GCP, etc.) scales further, up to 256 TB.
7Which DDOS feature lets two physical PowerProtect DD systems present a single logical identity so that backup workloads continue if one controller fails?
A.DD Replicator
B.DD HA (High Availability) active/standby pair
C.Smart Scale federation
D.Secure Multitenancy
Explanation: DD HA configures two identical controllers as an active/standby pair sharing the same back-end shelves. The active node serves data; the standby mirrors NVRAM through a dedicated 10 GbE interconnect and takes over on failure. HA is supported on DD6900, DD9400, and DD9900.
8Which of the following PowerProtect DD models do NOT support the active/standby HA configuration?
A.DD9900
B.DD9400
C.DD6900
D.DD3300
Explanation: HA is supported on DD6900, DD9400, and DD9900. The entry-level DD3300 does not support an HA pair.
9Which statement about DD Cloud Tier is TRUE?
A.Files are mirrored to cloud as soon as they are written
B.Only deduplicated, locally compressed segments are moved to cloud, and a file must meet a minimum age (e.g., 14 days) before it is eligible
C.Cloud tier requires the entire data set to be re-hydrated locally before access
D.Cloud tier replaces active tier; the appliance no longer keeps a local copy
Explanation: Cloud Tier moves only the unique, deduplicated, locally compressed segments to the cloud object store. Movement is policy-driven (age-based, age-range, or app-managed), and a file must meet the configured minimum age (typically at least 14 days) before becoming eligible.
10Which protocol is generally recommended for backup applications because it minimizes WAN bandwidth and offloads dedup processing to the client?
A.NFS
B.CIFS
C.DD Boost
D.NDMP
Explanation: DD Boost integrates the DD client library with the backup application (NetBackup, NetWorker, Avamar, Veeam, Commvault, etc.) so segmenting and fingerprinting happen on the source. Only unique segments are sent across the network, dramatically reducing bandwidth versus generic CIFS/NFS targets.

About the Dell PowerProtect DD Deploy 2023 Exam

The Dell PowerProtect DD Deploy 2023 (D-PDD-DY-23) certification validates the ability to install, configure, integrate, and administer Dell PowerProtect DD (formerly Data Domain) protection-storage appliances. The exam covers DDOS architecture and SISL deduplication, hardware installation across the DD3300/DD6900/DD9400/DD9900 family and DD VE, Cloud Tier with ECS/AWS S3/Azure, integration with NetBackup, NetWorker, Avamar/PPDM, Veeam, Commvault, Oracle RMAN and other backup applications via DD Boost OST/DFC, plus full system administration including NFS/CIFS, VTL, NDMP, MTree replication, retention lock (governance and compliance), encryption (D@RE and in-flight), DDSM, DDMC, Secure Multitenancy, and capacity planning. It replaces the legacy DES-DD23 Implementation Engineer exam.

Assessment

50 total exam items: Part 1 has 41 multiple-choice questions (75 minutes, 63% to pass) and Part 2 has 9 hands-on simulations (45 minutes, 66% to pass). Both parts must be passed for the credential.

Time Limit

120 minutes total (Part 1: 75 minutes; Part 2: 45 minutes)

Passing Score

63% Part 1 / 66% Part 2

Exam Fee

$230 (Dell Technologies / Pearson VUE)

Dell PowerProtect DD Deploy 2023 Exam Content Outline

12%

Dell PowerProtect DD Concepts and Features

DDOS architecture, SISL streaming variable-length dedup, global vs local compression, DD Boost over IP and FC, DD VE up to 96 TB, DD3300 (up to 50:1) and DD6900/DD9400/DD9900 (up to 65:1), HA active/standby pair, Smart Scale, retention lock governance vs compliance, encryption, software components

16%

Dell PowerProtect DD Hardware Installation

Site preparation, racking and cabling, dual-PSU on diverse circuits, dual-path SAS to shelves, dedicated 10 GbE HA interconnect for NVRAM mirroring, initial configuration wizard, file system create and enable, license install, acceptance test

12%

Dell Cloud Tier Implementation and Administration

Cloud Tier features and licensing, supported targets (Dell ECS, AWS S3, Azure Blob, S3-compatible providers), data movement policies (age-based, age-range, application-managed), 14-day minimum age, cloud unit/profile CLI, HTTPS/TLS to object stores, retention-lock preservation, monitoring

24%

PowerProtect DD Implementation in Backup Environments and Integration

DD Boost OST plug-in for NetBackup and Backup Exec, NetWorker DD Boost devices, Avamar/PPDM with vProxy and CBT, Veeam DD Boost repository, Commvault DD Boost, packet flow with source-side dedup, Managed File Replication, NDMP tape server, VTL over Fibre Channel for IBM i and legacy hosts, DD Boost for Enterprise Applications (Oracle RMAN, SQL, SAP HANA)

36%

PowerProtect DD System Administration

NFS exports and CIFS shares, DD Boost client allow-list, VTL libraries and tape sizing, NDMP, security (D@RE, KMIP key managers, replication encryption, RBAC, security officer for RLC), system access, alerts, autosupport and support bundles, SNMP/syslog, performance evaluation, capacity planning, garbage collection, MTree replication topologies (one-to-one, one-to-many, many-to-one, cascaded, bidirectional), DDSM, DDMC, Secure Multitenancy

How to Pass the Dell PowerProtect DD Deploy 2023 Exam

What You Need to Know

  • Passing score: 63% Part 1 / 66% Part 2
  • Assessment: 50 total exam items: Part 1 has 41 multiple-choice questions (75 minutes, 63% to pass) and Part 2 has 9 hands-on simulations (45 minutes, 66% to pass). Both parts must be passed for the credential.
  • Time limit: 120 minutes total (Part 1: 75 minutes; Part 2: 45 minutes)
  • Exam fee: $230

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

Dell PowerProtect DD Deploy 2023 Study Tips from Top Performers

1Memorize the DDOS write path: segment, fingerprint, dedup (global compression), local compression, then optional D@RE encryption, then write. Many questions hinge on knowing the order.
2Know the model matrix cold: DD3300 (entry, up to 50:1, no HA), DD6900/DD9400/DD9900 (up to 65:1, HA-capable), DD VE (up to 96 TB on-prem, 256 TB in APEX). Model identification is heavily tested.
3Master the four protocol families on DD - DD Boost (IP and FC), NFS, CIFS, VTL, and NDMP - and which client/use case each one fits, plus the CLI namespaces (boost, nfs, cifs, vtl, ndmpd).
4Learn replication topologies: one-to-one, one-to-many, many-to-one, cascaded (A->B->C), and bidirectional. Know that MTree replication preserves retention lock when propagate-retention-lock is enabled.
5Drill the difference between Retention Lock Governance (admin can disable) and Retention Lock Compliance (SEC 17a-4(f) immutability, requires security officer, cannot be disabled while files are locked).
6Practice the DDSH CLI families: filesys (create/enable/clean/destroy/show), mtree, ddboost, replication, vtl, ndmpd, alerts, system, support bundle. The 9 simulations expect command-level fluency.

Frequently Asked Questions

What is the Dell PowerProtect DD Deploy 2023 (D-PDD-DY-23) exam?

D-PDD-DY-23 is Dell's specialist-level certification that validates an engineer's ability to deploy, integrate, and administer PowerProtect DD (formerly Data Domain) protection-storage systems. It covers DDOS architecture, hardware install across the DD3300/DD6900/DD9400/DD9900 family and DD VE, Cloud Tier, integration with backup applications via DD Boost, and full system administration including replication, retention lock, and DDMC. It replaces the legacy DES-DD23 Implementation Engineer exam.

How is the D-PDD-DY-23 exam structured?

The exam has 50 total items split into two parts. Part 1 contains 41 multiple-choice questions in 75 minutes and requires 63% to pass. Part 2 contains 9 hands-on simulations in 45 minutes and requires 66% to pass. Total exam time is 120 minutes. Candidates must pass both parts to earn the credential.

How much does the D-PDD-DY-23 exam cost and how do I schedule it?

The Dell PowerProtect DD Deploy 2023 exam costs $230 USD per attempt and is delivered by Pearson VUE either at a test center or via online proctoring. Registration is done through your Dell Education Services / Pearson VUE account. Dell partners may receive vouchers.

What topics carry the most weight on D-PDD-DY-23?

PowerProtect DD System Administration is the largest domain at 36%, followed by Implementation in Backup Environments and Integration at 24%, Hardware Installation at 16%, and 12% each for Concepts and Features and Cloud Tier Implementation. The 36% System Administration weighting means most study hours should go to NFS/CIFS, DD Boost, VTL/NDMP, replication, security, and DDSM/DDMC.

Which products and integrations should I focus on for the integration domain?

Focus on the DD Boost OST plug-in for NetBackup and Backup Exec, NetWorker DD Boost devices, Avamar and PowerProtect Data Manager (PPDM) using vProxy/CBT for VMware, Veeam DD Boost repositories, Commvault DD Boost, NDMP tape-server use cases for NAS filers, VTL over Fibre Channel for IBM i and legacy hosts, and DD Boost for Enterprise Applications (Oracle RMAN, SQL, SAP HANA).

Which models support the HA active/standby pair, and which do not?

DD6900, DD9400, and DD9900 support the HA active/standby pair. The HA private interconnect is two 10 GbE links used to mirror NVRAM between nodes. The entry-level DD3300 does not support HA. DD VE (Virtual Edition) does not provide a hardware HA pair, although vSphere-level HA can be used at the hypervisor layer.

How does Cloud Tier work on PowerProtect DD?

Cloud Tier moves only the deduplicated, locally compressed unique segments to a supported object store such as Dell ECS, AWS S3, or Azure Blob. Movement is policy-driven (age-based, age-range, or application-managed) and a file must meet a 14-day minimum age before it is eligible. Cloud Tier preserves retention-lock state and uses HTTPS/TLS for in-flight protection. Active and cloud tiers scale independently.