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Free Cohesity COH-285 Practice Exam with Questions & Answers | Set: 5

Questions 41

What is the difference between synthetic backups and True Image Restore (TIR) in NetBackup?

Options:
A.

Synthetic backups create a full backup image from existing backups, while TIR restores files from the most recent backup image.

B.

Synthetic backups restore files from the most recent backup image, while TIR creates a full backup image from existing backups.

C.

Synthetic backups create a full backup image from existing backups, while TIR maintains a catalog of files and directories for each backup image.

D.

Synthetic backups maintain a catalog of files and directories for each backup image, while TIR creates a full backup image from existing backups.

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Questions 42

A backup job is showing the following error message:

Dec 5, 2018 4:11:02 PM - Info nbjm (pid=40455) starting backup job (jobid=369) for client WINTN3QANTSQ1B.vrtslab.br, policy Oracle_SO_Dedup, schedule FULL

Dec 5, 2018 4:11:02 PM -

Info nbjm (pid=40455) requesting STANDARD_RESOURCE resources from RB for backup job (jobid=369, reque

st id:{201EBB46-F8B9-11E8-B5BA-A118CF05FA8E})

Dec 5, 2018 4:11:02 PM - requesting resource  __ANY__

Dec 5, 2018 4:11:02 PM - requesting resource  nbumasterapp.vrtslab.br.NBU_CLIENT.MAXJOBS.WINTN3QANTSQ1B.vrtslab.br

Dec 5, 2018 4:11:02 PM -

Error nbjm (pid=40455) NBU status: 2111, EMM status: All storage units are configured with On Demand Onl

y and are not eligible for jobs requesting ANY storage unit

All storage units are configured with On Demand Only and are not eligible for jobs requesting ANY storage

unit (2111)

Which two actions can an administrator perform to ensure the backup completes successfully? (Select two.) 

Options:
A.

ensure at least one storage unit is without the On Demand Only option selected

B.

increase the Multiplexing value on the storage unit

C.

increase the " Maximum concurrent jobs " parameter on the storage unit

D.

assign a specific Storage Unit for that policy

E.

increase the " Limit I/O streams " parameter on the disk volume

Questions 43

What are the two levels of load balancing that can occur with AdvancedDisk storage in NetBackup?

Options:
A.

Storage servers and storage units

B.

Storage units and disk pools

C.

Disk pools and disk volumes

D.

Disk volumes and backup jobs

Questions 44

Backups to a storage device fail with the following error message:

Disk storage server is down (2106)

The storage server is an OpenStorage (OST) host, and the master server and media server are both acting as media servers under Credentials > Storage Servers in the NetBackup Administration Console. The disk pool is in an Up state and the storage server is in a Down state. Troubleshooting confirmed the OST plug-ins on the servers are mismatched.

Which command should an administrator use to check the plug-in version installed on the servers?

Options:
A.

bpgetconfig

B.

nbemmcmd

C.

nbdevquery

D.

bpstsinfo

Questions 45

A NetBackup client is reporting an error with the message " Unable to open backup file " . What could be the cause of this error?

Options:
A.

The backup file is not accessible.

B.

The backup file is corrupted.

C.

The client does not have permission to access the backup file.

D.

The client is not configured to use the backup file.

Questions 46

A NetBackup appliance is not restoring data from a specific backup file. What steps can be taken to troubleshoot the problem?

Options:
A.

Check the backup file ' s permissions.

B.

Check the appliance ' s logs for errors.

C.

Contact Cohesity Support for assistance.

Questions 47

An administrator is performing a backup and receives the following error message:

129 Message: Disk storage unit is full

Which NetBackup command should the administrator use to report the potential free space of AdvancedDisk storage units?

Options:
A.

nbdevquery

B.

nbdiscover

C.

nbemmcmd

D.

bpdbdm

Questions 48

Which of the following is NOT a best practice for securing NetBackup appliances?

Options:
A.

Use strong passwords

B.

Enable authentication

C.

Encrypt data

D.

Disable unnecessary services

Questions 49

A new storage shelf is added to an existing appliance.

Which command under Manage > Storage must the administrator perform first after a new shelf is connected to the appliance and the appliance is powered on?

Options:
A.

Grow

B.

Scan

C.

Add

D.

Resize

Questions 50

How can you manually duplicate a backup image?

Options:
A.

Use the NetBackup administration console to duplicate the image.

B.

Restore the image to a test system and then duplicate it.

C.

Use the NetBackup command line to duplicate the image.

Exam Code: COH-285
Certification Provider: Cohesity
Exam Name: Cohesity Certified Protection Professional – NetBackup Appliances
Last Update: Jul 7, 2026
Questions: 265
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