[UPDATED 2026] Cohesity COH-285 Questions Prepare with Free Demo of PDF [Q39-Q59]

[UPDATED 2026] Cohesity COH-285 Questions Prepare with Free Demo of PDF

NEW 2026 Certification Sample Questions COH-285 Dumps & Practice Exam

Cohesity COH-285 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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.
Topic 3	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 4	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.

 

NEW QUESTION # 39
What can be configured using the Host Properties in NetBackup 10.1?

• A. Deduplication options
• B. Data buffer parameters
• C. Network connections
• D. Backup policies

Answer: C

NEW QUESTION # 40
What is the name of the log file that records all activities related to NetBackup appliance security?

• A. security.log
• B. secure.log
• C. audit.log
• D. auth.log

Answer: C

NEW QUESTION # 41
Which of the following is NOT a role that can be assigned in NetBackup RBAC?

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

Answer: D

NEW QUESTION # 42
What is the name of the feature that allows NetBackup to migrate data from Cloud Catalyst to MSDP direct cloud tiering?

• A. Cloud Conversion
• B. Cloud Transformation
• C. Cloud Transition
• D. Cloud Migration

Answer: A

NEW QUESTION # 43
An administrator is comparing the NetBackup Accelerator and NetBackup FlashBackup features to determine which feature should be used for backup of a very large file system with millions of files.
Which consideration is irrelevant when determining whether to use NetBackup Accelerator or NetBackup FlashBackup in the situation?

• A. the type of file system being used
• B. the file system change rate
• C. the file system folder depth
• D. the file system storage capacity

Answer: B

NEW QUESTION # 44
What is the name of the storage unit that is used to store deduplicated data on a NetBackup media server or appliance?

• A. Media Server Deduplication Volume (MSDV)
• B. Media Server Deduplication Pool (MSDP)
• C. Media Server Deduplication Unit (MSDU)
• D. Media Server Deduplication Disk (MSDD)

Answer: B

NEW QUESTION # 45
What is the purpose of the checkpoint restart feature in NetBackup?

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

Answer: A

NEW QUESTION # 46
Which NetBackup deduplication option enables multiple media servers to share a common deduplication pool?

• A. KMS Options
• B. Universal Shares
• C. Optimized Duplication
• D. MSDP Cloud Storage

Answer: B

NEW QUESTION # 47
Which type of punctuation is used to separate multiple interface name entries in the Network > Show Properties [InterfaceNames] command in the NetBackup Appliance Shell Menu (CLISH)?

• A. semicolon
• B. colon
• C. space
• D. comma

Answer: D

NEW QUESTION # 48
An administrator observes intermittent connectivity issues between the appliance and clients.
Which NetBackup Appliance Shell Menu (CLISH) command can the administrator use to assist in diagnosing the problem?

• A. Main_Menu > Support > NBDNA
• B. Main_Menu > Support > iostat
• C. Main_Menu > Support > DataCollect
• D. Main_Menu > Network > Show Status

Answer: C

NEW QUESTION # 49
What is the name of the feature that allows NetBackup to deduplicate data across multiple domains or sites using optimized duplication?

• A. Universal Shares (US)
• B. Auto Image Replication (AIR)
• C. Storage Lifecycle Policies (SLP)
• D. Cloud Catalyst (CC)

Answer: B

NEW QUESTION # 50
Which method is NOT able to provide performance information for previously run backup jobs?

• A. running the All Log Entries report
• B. viewing the Disk &Tape Device Activity Reports in OpsCenter
• C. viewing the detailed status of the job details in the Activity Monitor
• D. running nbperfchk on the command line

Answer: B

NEW QUESTION # 51
Which supported step should an administrator perform to ensure all operating system logs are sent from an appliance to a central logging server running Linux?

• A. configure syslog forwarding in the appliance CLISH
• B. configure a cron job on the appliance to copy the logs
• C. configure access to the appliance logs with the share open command
• D. configure syslog forwarding in OpsCenter

Answer: C

NEW QUESTION # 52
What are the two types of log files that record all activities related to NetBackup appliance security?

• A. security.log and audit.log
• B. secure.log and audit.log
• C. secure.log and auth.log
• D. security.log and auth.log

Answer: A

NEW QUESTION # 53
What are the benefits of using Anomaly Detection?

• A. It can analyze historical data to identify trends.
• B. It can generate alerts to notify administrators of potential problems.
• C. All of the above
• D. It can identify potential threats before they cause damage.

Answer: C

NEW QUESTION # 54
An administrator has a backup policy with the following policy attributes:
* 3 paths listed in the Backup Selections list
* 5 clients listed in the Clients list
* "Allow multiple data streams" is selected
* "Limit jobs per policy" is set to 4
How many jobs go Active when the job is started, excluding parent jobs, assuming there are enough storage resources to handle the expected jobs?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: B

NEW QUESTION # 55
What is the name of the utility that queries the host and gathers appropriate diagnostic information about NetBackup and the operating system?

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

Answer: D

NEW QUESTION # 56
What are the different types of images that can be managed by NetBackup?

• A. Incremental images
• B. Differential images
• C. Clone images
• D. Full images

Answer: A,B,D

NEW QUESTION # 57
How can an administrator view the bpbrm log files on an appliance using the NetBackup Appliance Shell Menu (CLISH) interface?

• A. Support > Logs > Browse
• B. Support > Logs > VxLogView
• C. Support > Logs > Upload
• D. Support > Logs > Share

Answer: B

NEW QUESTION # 58
What is the name of the feature that lets you configure data buffer parameters for NetBackup appliances using Appliance Web Console (AWC)?

• A. Data Buffer Optimization
• B. Data Buffer Configuration
• C. Data Buffer Enhancement
• D. Data Buffer Tuning

Answer: D

NEW QUESTION # 59
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