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DELL D-PDD-DY-23 Practice Test - Questions Answers, Page 3

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Which condition exists for a backup infrastructure based on PowerProtect DD?

A.

Compressed files must be decompressed before being sent to PowerProtect DD.

A.

Compressed files must be decompressed before being sent to PowerProtect DD.

Answers
B.

Backup clients can write data directly to the PowerProtect DD appliance.

B.

Backup clients can write data directly to the PowerProtect DD appliance.

Answers
C.

VTL can be used to move physical tapes to a DR location.

C.

VTL can be used to move physical tapes to a DR location.

Answers
Suggested answer: B

Explanation:

PowerProtect DD appliances allow direct data writing from backup clients, which improves efficiency and data transfer rates, leveraging DD Boost and other protocols for optimized backup performance without intermediate processing. In a PowerProtect DD backup infrastructure, backup clients are designed to write data directly to the appliance. This direct write capability is supported by protocols like DD Boost, which enhances the backup performance by offloading deduplication to the client side, reducing network bandwidth usage and speeding up backups. PowerProtect DD systems are optimized to handle direct data ingestion from backup clients, streamlining the data protection process without requiring intermediate storage or decompression steps. This feature simplifies the backup architecture and improves data protection efficiency.

SIMULATION

Task4

An administrator needs to create a new non-admin user and a storage unit for their Oracle 'abc123'

department.

Use the simulator to:

- Create a new user: 'DDBoostOracle' with

password: Password123, management role: none,

with Password Aging Policy: Minimum Days: 0,

Maximum Days: 180, Warn Days: 15 days

- Assign the user to the ddboost users.

- Create a new storage unit called: SU_Oracle and assign new user to the storage unit.

A.

See the solution in the explanation below

A.

See the solution in the explanation below

Answers
Suggested answer: A

Explanation:

To create a new non-admin user and a storage unit for an Oracle department on PowerProtect DD, follow these steps:

Step 1: Create the User 'DDBoostOracle'

Navigate to the User Management Section:

Look under Administration or Users in the sidebar (the exact location may vary by DD OS version).

Create New User:

Click on Add User or New User.

Enter Username: DDBoostOracle

Enter Password: Password123

Set Management Role to None.

Set Password Aging Policy:

Set Minimum Days: 0

Set Maximum Days: 180

Set Warn Days: 15

Assign the User to DD Boost Users Group:

Locate the option to assign the user to groups and select the ddboost users group.

Save User Configuration:

Confirm and save the settings to create the user.

Step 2: Create the Storage Unit 'SU_Oracle'

Navigate to DD Boost Protocol:

Go to Protocols > DD Boost in the sidebar.

Create a New Storage Unit:

Find Storage Units and select Add Storage Unit.

Name the storage unit as SU_Oracle.

Assign the User to the Storage Unit:

During the creation process or in the access settings of the storage unit, assign DDBoostOracle as the user with access.

Save Storage Unit Configuration:

Confirm and save the configuration to ensure that the new user has access to the storage unit.

This completes the setup for a non-admin user with the specified password aging policy and a dedicated storage unit for the Oracle department. Let me know if additional steps are needed!

SIMULATION

Task 5

Use the simulator to configure a new MTree with a path of /data/col1/oracle. The

MTree size must not be allowed to exceed 200 TiB.

When you have finished, continue to the next question.

A.

See the solution in the explanation below

A.

See the solution in the explanation below

Answers
Suggested answer: A

Explanation:

To configure a new MTree with a specified path and size limit in PowerProtect DD, follow these steps:

Step 1: Access the MTree Management Section

In the DD System Manager interface, locate Data Management in the sidebar.

Select MTree from the dropdown menu to manage MTrees.

Step 2: Create a New MTree

Click on Create MTree or Add MTree (the exact button label may vary).

Set the Path for the MTree as /data/col1/oracle.

Step 3: Set the MTree Size Limit

In the MTree creation dialog, look for an option to set a Quota or Size Limit for the MTree.

Set the Size Limit to 200 TiB to ensure the MTree does not exceed this capacity.

Step 4: Save the Configuration

Confirm and save your settings to create the MTree with the specified path and size restriction.

After these steps, you should have a new MTree at /data/col1/oracle with a maximum allowed size of 200 TiB. Let me know if further assistance is required!

SIMULATION

Task 6

A backup administrator finished installing a PowerProtect DD3300. After the installation, they notice disk 1.5 is offline after running the disk fail command in the

DDOS CLI.

Using the simulator, flash an LED on the hard drive with the issue and return it to operation.

When you have finished, continue to the next question.

A.

See the solution in the explanation below

A.

See the solution in the explanation below

Answers
Suggested answer: A

Explanation:

To flash an LED on a hard drive and bring a disk back online using the DD System Manager or DDOS CLI, follow these general steps:

Step 1: Identify the Disk

In DD System Manager:

Go to the Hardware section in the sidebar.

Locate the list of disks, and find Disk 1.5 (the offline disk).

In DDOS CLI (if using CLI):

Use the command to list disks and confirm the status of Disk 1.5.

Command example: disk show state or disk show summary.

Step 2: Flash the LED on the Disk

In DD System Manager:

In the Hardware section, select Disk 1.5.

Look for an option like Flash LED or Locate Drive to help identify the physical disk.

Activate the LED flash to identify the disk physically.

In DDOS CLI:

Use the command: disk locate 1.5 to flash the LED for Disk 1.5.

Step 3: Bring the Disk Back Online

In DD System Manager:

After identifying the disk, check for options to Bring Online or Reactivate Disk 1.5.

Select the option to return the disk to operation.

In DDOS CLI:

Use the command: disk unfail 1.5 to bring the disk back online.

Step 4: Verify the Disk Status

Confirm in DD System Manager or by using the disk show state command in CLI that Disk 1.5 is now online and functioning.

After completing these steps, the LED should flash to help locate the disk physically, and then Disk 1.5 will be returned to an operational state. Let me know if you need further guidance!

Which are two attributes of PowerProtect DD High Availability? (Select 2)

A.

PowerProtect DD nodes are configured in active/active mode.

A.

PowerProtect DD nodes are configured in active/active mode.

Answers
B.

A single set of shared storage is used.

B.

A single set of shared storage is used.

Answers
C.

PowerProtect DD nodes should have dual heads.

C.

PowerProtect DD nodes should have dual heads.

Answers
D.

It is supported only on DD9900 systems.

D.

It is supported only on DD9900 systems.

Answers
Suggested answer: B, D

Explanation:

PowerProtect DD High Availability configurations are supported on the DD9900 model with a single set of shared storage, ensuring redundancy and failover capabilities, critical for enterprise-level data protection environments.

PowerProtect DD High Availability (HA) configuration provides a continuous availability solution, particularly suited for DD9900 systems. Here are the two key attributes of DD HA:

Single Set of Shared Storage: In the HA configuration, both nodes in the active/standby configuration share the same set of storage. This shared storage ensures that if the active node fails, the standby node can take over without data loss, accessing the same storage seamlessly.

Supported Only on DD9900 Systems: The HA feature is exclusive to high-end PowerProtect DD models, specifically the DD9900. This limitation is due to the hardware requirements needed to support the robust failover and data redundancy capabilities inherent in an HA setup.

What is the correct practice when creating Fibre Channel zones between PowerProtect DD and the media server?

A.

single-initiator dual-target zoning

A.

single-initiator dual-target zoning

Answers
B.

dual-initiator dual-target zoning

B.

dual-initiator dual-target zoning

Answers
C.

single-initiator single-target zoning

C.

single-initiator single-target zoning

Answers
D.

dual-initiator single-target zoning

D.

dual-initiator single-target zoning

Answers
Suggested answer: C

Explanation:

Best practice for Fibre Channel zoning with PowerProtect DD is to use single-initiator single-target zoning, which enhances security and stability in data transfer by isolating connections between devices, minimizing potential interference.

For third-party backup applications that do not natively support DD Boost, where does the DD Boost plug-in need to be installed?

A.

On the backup server

A.

On the backup server

Answers
B.

On each media server

B.

On each media server

Answers
C.

On the PowerProtect DD

C.

On the PowerProtect DD

Answers
D.

On each backup client

D.

On each backup client

Answers
Suggested answer: B

Explanation:

The DD Boost plug-in must be installed on each media server to enable optimized data deduplication and efficient data transfer, especially for applications that do not natively support DD Boost integration.

An administrator recognizes poor network performance when using CIFS shares from a PowerProtect DD system. The network link utilization is under 100%. What is the most likely cause of this issue?

A.

TCP timeout too large

A.

TCP timeout too large

Answers
B.

TCP window size too large

B.

TCP window size too large

Answers
C.

TCP timeout too small

C.

TCP timeout too small

Answers
D.

TCP window size too small

D.

TCP window size too small

Answers
Suggested answer: D

Explanation:

A small TCP window size can restrict data throughput, leading to suboptimal performance in CIFS-based file transfers. Adjusting the TCP window size can help maximize network bandwidth utilization and improve transfer speeds.

What command is used to make a storage unit?

A.

storage add tier active

A.

storage add tier active

Answers
B.

ddboost storage-unit create <storage_unit>

B.

ddboost storage-unit create <storage_unit>

Answers
C.

filesys create

C.

filesys create

Answers
D.

boostfs mount ---storage unit

D.

boostfs mount ---storage unit

Answers
Suggested answer: B

Explanation:

The ddboost storage-unit create <storage_unit> command is used to create a storage unit specifically for DD Boost-enabled backups, facilitating direct backup operations with PowerProtect DD.

Which three backup applications are supported by the PowerProtect DD VTL? (Select 3)

A.

IBM Spectrum Protect

A.

IBM Spectrum Protect

Answers
B.

Quest vRanger

B.

Quest vRanger

Answers
C.

Dell Networker

C.

Dell Networker

Answers
D.

Veritas NetBackup

D.

Veritas NetBackup

Answers
E.

Dell PowerProtect Data Manager

E.

Dell PowerProtect Data Manager

Answers
Suggested answer: A, C, D

Explanation:

PowerProtect DD's VTL functionality is compatible with major backup applications like IBM Spectrum Protect, Dell Networker, and Veritas NetBackup. These integrations enhance the data protection and recovery capabilities by supporting virtual tape operations.

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