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Cohesity COH-285 Exam Syllabus Topics:

TopicDetails
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
  • 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
  • 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 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.

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Cohesity Certified Protection Professional - NetBackup Appliances Sample Questions (Q92-Q97):

NEW QUESTION # 92
Which command should an administrator run on each appliance as part of completing the pre-upgrade tasks?

Answer: B


NEW QUESTION # 93
An administrator has added a new client to a policy. After running a backup, the administrator views the following error in the output:
"Request from host nbumaster8 ... to host nbclient1 ... is not allowed access. Host nbumaster8 ... is not an authorized server for host nbclient1."
"bpcd on nbclient1 exited with status 59: access to the client was not allowed." What is the reason for this error?

Answer: C

Explanation:
The correct answer is C because the failure is an authorization problem on the NetBackup client, not a basic network-connectivity failure. The job output explicitly states that nbumaster8 "is not an authorized server for host nbclient1," followed by status 59: access to the client was not allowed. Cohesity NetBackup documentation maps status code 59 to "Access to the client was not allowed." The controlling configuration is the client's SERVER list. Cohesity states that the SERVER entry defines the list of NetBackup primary and media servers that can access the NetBackup client, and that media servers or other primary servers must be added for that client. Cohesity also explains that on UNIX servers and clients, the SERVER entries in bp.conf define the NetBackup servers that are allowed access, with additional entries identifying servers that can initiate scheduled backups. Therefore, the client rejected the backup request because the requesting server name was missing from the client's server list or did not match the expected resolved name. References
/topics: Status code 59, SERVER option for NetBackup clients, bp.conf, Host Properties > Clients > Servers, and NetBackup host-name authorization.


NEW QUESTION # 94
A NetBackup primary server has many backups running each night to an MSDP pool that take a long time to complete. While these backups are running, replication jobs are queued.
Which action should the administrator perform to ensure replications can occur without waiting for the backups to complete?

Answer: D

Explanation:
The correct action is to increase the Maximum I/O Streams for the MSDP disk pool. In NetBackup disk storage, the disk pool stream limit is the effective gate for concurrent read/write activity against that pool.
Cohesity documentation identifies Limit I/O streams as the disk-pool property that controls read and write streams, and notes that if the limit is reached, NetBackup queues jobs until a volume becomes available. The storage-unit Maximum concurrent jobs setting controls how many jobs NetBackup sends to a disk storage unit, but Cohesity also states that this setting is not the only concurrency limiter and depends on disk-pool and media-server factors. NetBackup performance guidance is more explicit for this scenario: the disk pool Max I
/O Streams value sets concurrent read/write operations, while the storage unit concurrent-jobs value addresses backup/restore jobs and does not control secondary operations such as duplications and replications; those are usually dictated by Max I/O Streams. Therefore, increasing storage-unit jobs or SLP priority does not guarantee that AIR replications can run while backups consume all available disk-pool streams. The correct tuning point is the disk pool's Maximum I/O Streams.


NEW QUESTION # 95
A NetBackup environment with a single tape storage unit is experiencing performance issues when running full backups of a Windows file server with over a million small files. Backups for all other clients on the same network are performing adequately. What should the administrator modify to improve performance for the client?

Answer: B


NEW QUESTION # 96
Which schedule can be configured as a synthetic backup in addition to the full backup schedule type?

Answer: A

Explanation:
The correct answer is Cumulative incremental backup. In NetBackup policy schedule configuration, the Synthetic backup schedule attribute is not limited only to a Full schedule. Cohesity documentation states that the Synthetic backup attribute allows a backup image to be assembled from prior backup images and that "a synthetic backup may be a synthetic full or a synthetic cumulative incremental backup." This directly identifies cumulative incremental as the additional schedule type that can be configured as synthetic.
Differential incremental backups are normally used as component images that feed the synthetic operation; they capture changed data and are later consolidated, but they are not the synthetic schedule type in this question. User archive and Vault catalog backup schedules are unrelated to synthetic backup image construction. Cohesity also explains that a synthetic cumulative incremental backup is produced by consolidating component images, including differential incremental backups taken since the last cumulative backup and, when available, the last cumulative incremental backup. Therefore, besides Full, the schedule type that supports synthetic configuration is Cumulative incremental backup. References/topics: Synthetic backup schedule attribute, Synthetic cumulative incremental backups, and Schedules required for synthetic backups.


NEW QUESTION # 97
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