[May-2026] Cohesity COH-285 Exam Basic Questions With Answers [Q79-Q104]

[May-2026] Cohesity COH-285 Exam: Basic Questions With Answers

New 2026 Realistic Free Cohesity COH-285 Exam Dump Questions and Answer

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 # 79
An administrator has a media server with four empty disks with the following characteristics:
SSD1, SSD2: High-speed solid-state drives
Disk3, Disk4: Medium-speed hard drives
What is the recommended disk storage configuration using these devices?

• A. place disks in one AdvancedDisk pool with media server load balancing configured
• B. place disks in two AdvancedDisk pools: SSD1 and SSD2 in one pool, and Disk3 and Disk4 in the other pool
• C. place disks in one AdvancedDisk pool with failover configured, in the order: SSD1, SSD2, Disk3, Disk4
• D. place disks in one AdvancedDisk pool with round robin configured

Answer: B

NEW QUESTION # 80
What is the name of the command that lets you list the backup schedules for a given policy in NetBackup?

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

Answer: C

NEW QUESTION # 81
An administrator has a scheduled policy that backs up 20 clients, each with multiple mount points and multiple data streams enabled. One of the jobs has failed and is in an Incomplete state in the Activity Monitor.
How should the administrator verify the incomplete job runs prior to the next scheduled backup?

• A. run a manual job for the client
• B. resume the job
• C. resume the parent job
• D. run a manual job for the mount point

Answer: B

NEW QUESTION # 82
Where in the NetBackup Administration Console should an administrator look to determine whether an AdvancedDisk storage server is configured?

• A. Media and Device Management > Device Monitor
• B. Media and Device Management > Credentials
• C. NetBackup Management > Storage
• D. Media and Device Management > Devices

Answer: B

NEW QUESTION # 83
Which command can an administrator execute on a Windows NetBackup client to measure disk backup performance?

• A. nbperfchk -i diskpath
• B. bpbkar32 -nocont diskpath 1> nul 2> nul
• C. bpclntcmd -hn client -self
• D. bpclient -client client -online_backup

Answer: B

NEW QUESTION # 84
How can an administrator locate NetBackup job activity using the appliance interfaces?

• A. NetBackup Appliance Shell Menu (CLISH) > Monitor
• B. NetBackup Appliance Shell Menu (CLISH) > Support
• C. NetBackup Appliance Shell Menu (CLISH) > Reports
• D. NetBackup Appliance Web Console > Monitor

Answer: A

NEW QUESTION # 85
Refer to the Exhibit.
An administrator is trying to access client properties on the NetBackup Administration Console and receives the following message:

When checking the services on the master server, the administrator sees that the PBX service is down.
Which two commands can the administrator use to increase the PBX log level to determine the reason for the message above? (Choose two.)

• A. vxpbx_exchanged
• B. vxlogmgr
• C. pbx_exchange
• D. pbxcfg
• E. vxlogcfg

Answer: B,E

NEW QUESTION # 86
What is the purpose of NetBackup Compatibility Lists?

• A. To offer troubleshooting advice for NetBackup users.
• B. To provide free training courses on how to use NetBackup.
• C. To list the prices of NetBackup licenses.
• D. To provide a comprehensive list of supported operating systems, applications, and hardware for NetBackup.

Answer: D

Explanation:
( NetBackup Compatibility Lists provide a comprehensive list of supported operating systems, applications, and hardware for NetBackup, enabling users to ensure that their backup environment is compatible with NetBackup and avoid potential compatibility issues.)

NEW QUESTION # 87
NetBackup has frozen some of the tapes added to the robot.
Which log must be enabled to determine why the tapes were frozen?

• A. ltid
• B. bptm
• C. robots
• D. vmd

Answer: B

NEW QUESTION # 88
A NetBackup appliance is reporting a high CPU usage. What steps can be taken to troubleshoot the problem?

• A. Check the appliance's logs for errors.
• B. Restart the appliance.
• C. Check the appliance's memory usage.
• D. Contact Cohesity Support for assistance.

Answer: A

NEW QUESTION # 89
What are the two commands that let you troubleshoot device and media issues using Appliance Shell Menu (CLISH)?

• A. Manage > Device and Manage > Media
• B. Monitor > Device and Monitor > Media
• C. Troubleshoot > Device and Troubleshoot > Media
• D. Support > Device and Support > Media

Answer: C

NEW QUESTION # 90
Which of the following steps are involved in configuring cloud storage in NetBackup?

• A. Creating a new disk pool and configuring a cloud storage unit
• B. Configuring a storage unit group and defining the backup schedule for cloud storage
• C. Configuring a storage lifecycle policy and specifying the cloud storage target
• D. Defining cloud storage credentials and configuring a cloud storage server

Answer: D

Explanation:
( To configure cloud storage in NetBackup, you need to define cloud storage credentials and configure a cloud storage server, which involves specifying the cloud storage endpoint, access key, and secret key, among other parameters.)

NEW QUESTION # 91
A NetBackup appliance is reporting an error with the message "Media error: 0x00000002". What does this error mean?

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

Answer: A

NEW QUESTION # 92
Which of the following is NOT a way to troubleshoot problems with NetBackup appliances?

• A. Using the Appliance Shell Menu (CLISH)
• B. Checking the logs
• C. Contacting Cohesity Support
• D. Using the Appliance Web Console

Answer: A

NEW QUESTION # 93
How is the expiration date of an imported image determined during an import?

• A. by using the original backup date plus infinity
• B. by using the original backup date plus the original retention
• C. by using the import date plus seven years
• D. by using the import date plus the original retention

Answer: D

NEW QUESTION # 94
Which communication protocol and port does the Appliance Management Server use to communicate with Appliance Management agents?

• A. http (8080)
• B. http (80)
• C. https (443)
• D. https (8443)

Answer: C

NEW QUESTION # 95
What is the name of the feature that lets you use a smart card or a digital certificate for single sign-on (SSO) in NetBackup?

• A. SAML authentication
• B. LDAP authentication
• C. Kerberos authentication
• D. PKI authentication

Answer: A

NEW QUESTION # 96
What can be tuned in NetBackup using the data buffer parameters?

• A. Backup performance
• B. Deduplication options
• C. Host Properties
• D. Backup policies

Answer: A

NEW QUESTION # 97
After creating a NBU-Catalog type backup policy, an administrator receives the following message:
DR file is on the same partition as your catalog and will be unusable in an actual disaster or disk failure.
Which two options are available to the administrator to ensure the DR file is available for future use? (Choose two.)

• A. ensure the DR file is created on a volume other than the NetBackup volume
• B. configure Auto Image Replication to send the DR file to a remote master server
• C. ensure the folder DR file is on a non-root volume
• D. ensure the NetBackup catalog is on a non-root volume
• E. configure a valid email address of the administrator in the "Send email" option

Answer: A,E

NEW QUESTION # 98
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 NetBackup Accelerator
• B. configure client-side deduplication
• C. configure multiplexing
• D. configure Synthetic backups

Answer: D

NEW QUESTION # 99
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 Unit (MSDU)
• B. Media Server Deduplication Disk (MSDD)
• C. Media Server Deduplication Pool (MSDP)
• D. Media Server Deduplication Volume (MSDV)

Answer: C

NEW QUESTION # 100
What is the purpose of the NetBackup 10.0 Release Notes?

• A. To provide support for NetBackup users.
• B. To offer free training courses on how to use NetBackup.
• C. To provide a list of new features and enhancements in the latest version of NetBackup.
• D. To list the prices of NetBackup licenses.

Answer: C

Explanation:
( The NetBackup 10.0 Release Notes provide a comprehensive list of new features, enhancements, and bug fixes in the latest version of NetBackup, enabling users to get up-to-date information on the product.)

NEW QUESTION # 101
An administrator is creating a Standard policy with the option "Use Accelerator" to back up files on a Linux server.
Which two options are disabled by default in this type of policy? (Choose two.)

• A. Cross mount points
• B. Collect true image restore information
• C. Compress
• D. Encrypt
• E. Allow multiple data streams

Answer: C,D

NEW QUESTION # 102
A backup job is showing the following error message:

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

• A. increase the Multiplexing value on the Storage Unit
• B. increase the "Maximum concurrent jobs" parameter on the Storage Unit
• C. increase the "Limit I/O streams" parameter on the disk volume
• D. ensure at least one storage unit is without the On Demand Only option selected
• E. assign a specific Storage Unit for that policy

Answer: D,E

NEW QUESTION # 103
What is the default value of Federal Information Processing Standards (FIPS) mode in NetBackup?

• A. Active
• B. Disabled
• C. Enabled
• D. Inactive

Answer: A

NEW QUESTION # 104
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