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| Section | Weight | Objectives |
|---|---|---|
| Configure NetBackup and NetBackup Appliances | 31% | - Environment configuration
|
| Monitor, Optimize, and Troubleshoot NetBackup | - Troubleshooting
| |
| NetBackup Appliance Operations | - Appliance configuration and maintenance
|
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NEW QUESTION # 76
An administrator has a backup for client Linux1 using the LinuxClients policy complete successfully. Even though the policy Backup Selections are NOT modified, the backup job fails the next day with the following status code:
Error 71: none of the files in the file list exist.
What is a possible reason the job failed?
Answer: A
NEW QUESTION # 77
An administrator is experiencing a communication issue between the master and client and believes the certificate might be revoked.
Which log can the administrator view to analyze a certificate issue?
Answer: D
Explanation:
The correct log is the vnetd proxy log. NetBackup secure host communication uses host ID-based certificates and certificate revocation lists (CRLs). When communication fails between the primary/master server and a client because a certificate is revoked, unavailable, missing, or affected by CRL validation, the relevant troubleshooting path is the vnetd proxy process log files. Cohesity's NetBackup Troubleshooting Guide states that for host-certificate troubleshooting, administrators should examine job details for certificate, revocation, and CRL messages, and "may need to examine the vnetd proxy process log files" for related messages and status codes. The same guide notes that NetBackup hosts must have a valid host ID-based security certificate and a valid CRL to communicate; otherwise, communication fails. For a revoked primary server certificate, Cohesity specifically identifies that the vnetd proxy process log files on hosts show that the primary server certificate is revoked. Therefore, nbemm is for Enterprise Media Manager functions, bprd is request processing, and nbrb is resource brokering; none is the primary diagnostic log for certificate revocation analysis. Reference topics: Troubleshooting security certificate revocation, Viewing vnetd proxy log files, and Test the vnetd proxy connections.
NEW QUESTION # 78
How can you import a backup image?
Answer: A
NEW QUESTION # 79
An administrator needs to back up Windows and Linux file servers to an Advanced Disk storage unit targeting a high speed disk array. Backup traffic shares a busy network with mission critical application traffic.
Which feature can the administrator implement to optimize this backup environment?
Answer: A
Explanation:
The correct feature is Synthetic backups. Cohesity NetBackup documentation explains that, in a traditional full backup, all files are copied from the client to the primary or media server, even if the files have not changed. With a synthetic full backup, NetBackup combines the previous full backup with subsequent incremental backups on the media server to create a new full image. Because the processing occurs on the primary and media servers rather than repeatedly reading all data from the client, synthetic backups reduce client-to-server network traffic; files are transferred over the network only once. Synthetic backups can also be written to disk storage units, making them appropriate for an AdvancedDisk target backed by a high-speed disk array. This fits the scenario because Windows and Linux file servers map to MS-Windows and Standard policy types, which are supported for synthetic backups. NetBackup Accelerator is not the best answer here because Accelerator requires supported disk targets such as MSDP, NetBackup appliance storage, cloud storage, or qualified OST storage, not a generic AdvancedDisk storage unit. Client-side deduplication similarly requires deduplication storage, and network resiliency improves fault tolerance rather than reducing backup traffic. References/topics: Synthetic backups, AdvancedDisk storage units, backup traffic optimization, and Accelerator requirements.
NEW QUESTION # 80
An administrator has created a new policy to back up Windows clients, and has created a single automatic schedule. On the scheduled date, the administrator notices that the backup job fails to launch automatically as expected.
Which debug log file should the administrator view to determine why the backup job failed to launch?
Answer: A
Explanation:
The correct log to review is nbpem, the NetBackup Policy Execution Manager log. Cohesity NetBackup documentation states that nbpem creates policy and client tasks and determines when jobs are run, and its logging location is install_path\NetBackup\logs\nbpem on Windows and /usr/openv/logs/nbpem on UNIX
/Linux. In the scheduled backup workflow, nbpem initiates a backup when the job becomes due. It determines whether the policy, schedule, and backup window are valid, retrieves policy information through nbproxy, and then submits the due job to nbjm to obtain a job ID.
Therefore, when an automatic schedule does not launch a backup at the expected time, the first diagnostic focus is the scheduler and policy-evaluation component, not the later job-control or resource-allocation components. nbjm manages submitted jobs after nbpem hands them off, nbrb brokers resources, and nbemm manages media and device/resource database functions. Since the failure occurs before the job launches automatically, nbpem is the authoritative debug log for determining why the policy schedule did not trigger.
Reference topics: Backup process, nbpem logging, and Policy Execution Manager scheduling behavior.
NEW QUESTION # 81
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