Storage Redundancy, Replication and Data Management
This topic covers storage account creation, redundancy options, object replication, encryption, Azure Storage Explorer, AzCopy, account settings, and operational data movement.
How to study for AZ-104
Treat each AZ-104 item as an admin workflow: identify the scope, resource type, access boundary, deployment method, monitoring signal, or recovery requirement.
Core concepts
Concept 1
Storage Redundancy, Replication and Data Management questions reward operational Azure administration judgment rather than simple service-name recall.
Exam cue: Identify the Azure scope: tenant, management group, subscription, resource group, resource, subnet, or identity.
Concept 2
The best answer identifies the scope, resource type, access path, deployment method, monitoring signal, and recovery requirement.
Exam cue: Match the tool to the administrative task: manage access, deploy, secure, monitor, back up, or troubleshoot.
Concept 3
Eliminate answers that confuse RBAC with policy, public access with private access, monitoring with backup, or templates with manual changes.
Exam cue: Prefer least privilege, repeatable deployment, protected storage, private networking, and validated recovery.
Risk pitfalls and guardrails
Using Azure Policy when the question asks who is allowed to perform an action.
Guardrail: Avoid answers that confuse RBAC with Policy, tags with network controls, dashboards with backup, or public exposure with secure private access.
Opening public access when private endpoints, service endpoints, or NSGs meet the requirement.
Guardrail: Avoid answers that confuse RBAC with Policy, tags with network controls, dashboards with backup, or public exposure with secure private access.
Assuming backup exists before checking vault, policy, retention, and restore validation.
Guardrail: Avoid answers that confuse RBAC with Policy, tags with network controls, dashboards with backup, or public exposure with secure private access.
Memory anchors
LRS
Locally redundant storage replicates data within a single physical location in a region.
ZRS
Zone-redundant storage replicates data across availability zones in a region.
GRS
Geo-redundant storage replicates data to a secondary region.
Object Replication
Object replication copies block blobs asynchronously between storage accounts.
Storage Encryption
Azure Storage encrypts data at rest and can use Microsoft-managed or customer-managed keys.
Storage Explorer
Azure Storage Explorer provides a graphical tool for managing storage data.
AzCopy
AzCopy copies data to, from, and between Azure Storage locations.
Storage Account Kind
Storage account kind affects supported services, redundancy, and features.
Access Tier
Access tier affects storage and retrieval cost for blob data.
Replication Choice
Replication choice should match durability, availability, failover, and cost requirements.
Checkpoint rule
Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.
Knowledge Check (after reading)
Short check-up to confirm understanding of this module.
Check-up Questions
A new account must support Blob, Files, Queue, and Table services plus current lifecycle and redundancy features. Which account type is the standard choice?
A noncritical storage workload requires the lowest redundancy cost and can tolerate loss if one datacenter in the region becomes unavailable. Which option fits?
Answer all questions to submit.
Next step personalized recommendations
Continue learning
Move forward only after this module is stable.
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