Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A company runs a file server on an Azure VM in the East US region. They want to back up the file shares to Azure and be able to restore individual files if accidentally deleted. They also need to be able to restore the entire file share to a secondary region (West US) in case of a regional disaster. The solution should automatically protect the file shares and provide versioning for up to 30 days. Which Azure service and configuration should they recommend?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
Configure Azure Backup on the Azure file share using a Recovery Services vault with geo-redundant storage (GRS). Enable cross-region restore on the vault.
Azure Backup for Azure Files provides daily backups, file-level restore, and versioning. With GRS and cross-region restore enabled, you can restore the entire share to the paired region.
B
Distractor review
Use Azure File Sync to sync the file share to an on-premises server, and then back up the on-premises server using Azure Backup.
Azure File Sync is for hybrid caching, not for backup. It does not provide automated backups or cross-region restore of the Azure file share itself.
C
Distractor review
Enable soft delete and versioning on the storage account, and configure replication to a secondary region using RA-GRS.
Soft delete and versioning protect against accidental deletion but do not provide a managed backup service with scheduled backups and cross-region restore. RA-GRS provides read access but not point-in-time restore.
D
Distractor review
Create a scheduled Azure Automation runbook that takes snapshots of the file share every day and copy them to a storage account in West US.
This custom solution incurs operational overhead and lacks the built-in monitoring, alerting, and restore capabilities of Azure Backup. It also does not provide versioning for individual file restore.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A company is designing hub-and-spoke networking. Spoke VNets must use a central Azure Firewall for outbound internet traffic. Which two configurations are required?
Question 2
A company is designing private access to a PaaS database from workloads in a VNet. The database should not be reachable over its public endpoint. What should be recommended?
Question 3
A data platform must support analytical queries over petabytes of files in a data lake, while preserving hierarchical namespaces and fine-grained ACLs. Which storage service should you design around?
Question 4
A database workload has an RPO of 15 minutes and an RTO of 4 hours. Cost is more important than near-zero data loss. Which design is usually more appropriate than synchronous multi-region replication?
Question 5
A hub-and-spoke Azure network must centralize outbound inspection and still allow spokes to resolve private endpoint DNS names. Which two components are commonly required? (Choose 2.)
Question 6
A multinational company uses Microsoft Entra ID and several Azure subscriptions. Security administrators need to review privileged role assignments every month and require justification for continued access. Which design should be recommended?
FAQ
Questions learners often ask
What does this AZ-305 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Configure Azure Backup on the Azure file share using a Recovery Services vault with geo-redundant storage (GRS). Enable cross-region restore on the vault. — Azure Backup supports backing up Azure file shares by using the Azure Backup for Azure Files solution. It provides file-level restore, versioning (via snapshots), and cross-region restore (when the vault is configured with geo-redundancy and cross-region restore is enabled). The Recovery Services vault with GRS allows restore to a paired region. Azure File Sync syncs to an on-premises cache but does not provide backup for Azure Files. Azure Storage account replication (RA-GRS) does not provide point-in-time restore. Snapshot schedules are not a managed backup service.
What should I do if I get this AZ-305 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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