[Apr 16, 2026] COH-285 Sample with Accurate & Updated Questions [Q27-Q47]

[Apr 16, 2026] COH-285 Sample with Accurate & Updated Questions

COH-285 Exam Info and Free Practice Test | TestPassKing

Cohesity COH-285 Exam Syllabus Topics:

Topic	Details
Topic 1	Configure NetBackup: This section of the exam measures the skills of system administrators and focuses on the configuration tasks required to set up and manage a NetBackup environment. It covers the setup of primary, media, and client settings along with essential host properties, including the use of security certificates. The section explains how to configure disk storage, cloud storage, and storage unit groups to support stable backup operations. It also includes the configuration of standard and advanced backup policies and protection plans. Candidates are expected to understand specialized backup solutions such as synthetic backups, True Image Restore, multiple data streams, checkpoint restart, and different duplication methods that involve storage lifecycle policies, disk staging, and replication features.
Topic 2	Tune NetBackup: This section of the exam measures skills of system engineers and focuses on analyzing performance related factors in a NetBackup environment. It introduces performance assessment and optimization practices to help candidates identify bottlenecks and improve overall efficiency. Tuning NetBackup includes making adjustments that lead to more stable and faster backup and recovery operations.
Topic 3	Troubleshoot NetBackup: This section of the exam measures skills of NetBackup administrators and focuses on resolving issues that occur during backup and recovery operations. It covers the interpretation of status codes and job details to diagnose failed jobs. The section also explains how to troubleshoot devices and media and how to validate connectivity between primary servers, media servers, and client systems. Candidates learn to address common problems in disaster recovery situations, including tasks related to recovering the NetBackup catalog.
Topic 4	Monitor and Maintain NetBackup: This section of the exam measures skills of operations personnel and focuses on the monitoring and maintenance tasks necessary to keep a NetBackup environment healthy. The topics include the core concepts of image management and the use of the NetBackup Administration Console to verify images, expire them, import backup data, and perform manual duplication. The section explains how to manage both disk and cloud storage within NetBackup and highlights the use of reports for verification and monitoring. It also covers administrative controls for running, cancelling, suspending, resuming, and prioritizing backup or duplication jobs. Candidates learn how to initiate and monitor restore operations and understand the security management features such as role based access control and host ID certificates.

 

NEW QUESTION # 27
Which of the following is NOT a type of update that can be installed on a NetBackup appliance?

• A. EEB
• B. Security patch
• C. Firmware update
• D. VxUpdate

Answer: B

NEW QUESTION # 28
An administrator is attempting to protect 500TB of Windows file system data in a 4-hour backup window, when the file servers are idle. The daily change rate for the data is below 1%, and an Initial full backup has been performed to a high performance disk array configured as an Advanced Disk storage unit.
What can the administrator do to ensure subsequent backups complete within the backup window?

• A. configure multiplexing
• B. configure NetBackup Accelerator
• C. configure client-side deduplication
• D. configure Synthetic backups

Answer: D

NEW QUESTION # 29
What is the benefit of using multiple data streams in NetBackup?

• A. It allows multiple clients to back up to the same storage unit simultaneously.
• B. It allows multiple storage units to be used for the same backup job.
• C. It allows multiple backup policies to be applied to the same client.
• D. It allows multiple backup jobs to run concurrently for the same client.

Answer: D

NEW QUESTION # 30
What is the name of the feature that lets you detect and alert on abnormal backup activity in NetBackup?

• A. Anomaly Detection
• B. Backup Analytics
• C. Backup Monitor
• D. Backup Audit

Answer: A

NEW QUESTION # 31
Which of the following is NOT a best practice for securing NetBackup appliances?

• A. Encrypt data
• B. Disable unnecessary services
• C. Use strong passwords
• D. Enable authentication

Answer: B

NEW QUESTION # 32
What is the purpose of the checkpoint restart feature in NetBackup?

• A. It allows NetBackup to perform incremental backups by tracking the changes since the last checkpoint.
• B. It allows NetBackup to split a large backup job into smaller chunks that are marked by checkpoints.
• C. It allows NetBackup to verify the integrity of a backup image by comparing it with a checkpoint file.
• D. It allows NetBackup to resume a backup job from the last checkpoint if the job fails or is interrupted.

Answer: D

NEW QUESTION # 33
A NetBackup appliance is reporting an error with the message "Media error: 0x00000002". What does this error mean?

• A. The media is not inserted in the device correctly.
• B. The media is full. B. The media is damaged.
• C. The media is not supported by NetBackup.

Answer: C

NEW QUESTION # 34
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?

• A. bpstsinfo
• B. nbemmcmd
• C. nbdevquery
• D. bpgetconfig

Answer: A

NEW QUESTION # 35
Which of the following is NOT a role that can be assigned in NetBackup RBAC?

• A. Network administrator
• B. Storage administrator
• C. Restore administrator
• D. Backup administrator

Answer: A

NEW QUESTION # 36
What is the name of the command that lets you list the backup schedules for a given policy in NetBackup?

• A. bpplinfo
• B. bppllist
• C. bpplconf
• D. bpplsched

Answer: D

NEW QUESTION # 37
Which type of backup schedule is available when using the "After each backup session" schedule type for an NBU-Catalog policy type?

• A. Full
• B. Vault Catalog Backup
• C. Application Backup
• D. Differential Incremental

Answer: D

NEW QUESTION # 38
Which guide should be referred to for configuring backup policies in NetBackup 10.1?

• A. Cohesity NetBackup Deduplication Guide: v10.1
• B. Cohesity NetBackup Appliance Administrator's Guide: v5.0
• C. Cohesity NetBackup Appliance Commands Reference Guide: v5.0
• D. Cohesity NetBackup 10.1 Administrator's Guide, Volume I

Answer: D

NEW QUESTION # 39
What is the name of the command that lets you verify the integrity of a backup image in NetBackup?

• A. bpcheck
• B. bpimage
• C. bpverify
• D. bpvalidate

Answer: C

NEW QUESTION # 40
What is the name of the feature that lets you update NetBackup software and appliance firmware from a centralized location?

• A. VxPatch
• B. VxUpdate
• C. VxUpgrade
• D. VxInstall

Answer: B

NEW QUESTION # 41
What is the name of the utility that queries the host and gathers appropriate diagnostic information about NetBackup and the operating system?

• A. nbsupport
• B. nbsu
• C. nbcheck
• D. nbdiag

Answer: B

NEW QUESTION # 42
What are the two types of encryption that NetBackup supports for backup data?

• A. All of the above
• B. Symmetric encryption and asymmetric encryption
• C. Client-side encryption and media server encryption
• D. Software encryption and hardware encryption

Answer: A

NEW QUESTION # 43
What is the name of the feature that allows NetBackup to protect workloads in the cloud and on-premises with a single solution?

• A. CloudPoint
• B. CloudMobility
• C. CloudSnap
• D. CloudCatalyst

Answer: B

NEW QUESTION # 44
Which of the following is NOT a function of Anomaly Detection?

• A. Generating alerts
• B. Analyzing historical data
• C. Initiating remediation actions
• D. Identifying potential threats

Answer: C

NEW QUESTION # 45
An administrator has a MS-Windows type policy that has failed for a Microsoft Windows NetBackup client. The policy uses the ALL_LOCAL_DRIVES backup selection. See the extract from the end of the job details below:

Which two logs will provide the most relevant information for troubleshooting and resolving the error? (Choose two.)

• A. Operating system logs on the client
• B. NetBackup bptm logs on the media server
• C. Operating system logs on the media server
• D. NetBackup bpfis logs on the media server
• E. NetBackup bpfis logs on the client

Answer: A,E

NEW QUESTION # 46
What is the certificate deployment and management behavior when the security level is set to High?

• A. Certificates are deployed automatically for known hosts and the Certificate Revocation List (CRL) is refreshed every hour.
• B. Certificates are deployed with a token for all hosts and the Certificate Revocation List (CRL) is refreshed every 4 hours.
• C. Certificates are deployed automatically for all hosts and the Certificate Revocation List (CRL) is refreshed every hour.
• D. Certificates are deployed automatically for known hosts and the Certificate Revocation List (CRL) is refreshed every 4 hours.

Answer: D

NEW QUESTION # 47
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