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Zorluk: OrtaAzure Storage Accounts, Blob, Disk, Files, and Storage Tiers

A company stores application logs in Azure Blob Storage. These logs are analyzed frequently during the first 30 days. After 30 days, the logs are rarely accessed but must be kept for three years. If a security incident occurs, the security team must be able to query these logs immediately with millisecond latency. Which storage tier configuration should the company use to minimize costs while meeting these requirements?

  1. Store the logs in the Hot tier, and transition them to the Cool tier after 30 days.Cevap
  2. B
    Store the logs in the Hot tier, and transition them to the Archive tier after 30 days.
  3. C
    Store the logs in the Hot tier, and transition them to an attached Azure Disk Storage volume after 30 days.
  4. D
    Store the logs in the Archive tier immediately, and configure a read-only lock to allow immediate read access.

Cevap

Store the logs in the Hot tier, and transition them to the Cool tier after 30 days.
The Hot access tier is ideal for data that is active and frequently accessed, satisfying the initial 30-day requirement. The Cool access tier is optimized for infrequently accessed data that must be stored for at least 30 days, while still offering immediate, millisecond-level read latency. Transitioning the logs to the Cool tier after 30 days minimizes storage costs while ensuring they remain queryable immediately in the event of a security incident.

Adım Adım Çözüm

1
Analyze the access frequency requirements for the first 30 days.
The logs are analyzed frequently during this period, which matches the characteristics of the Hot access tier.
The Hot tier offers the lowest access costs for frequently read data.
2
Analyze the access frequency and latency requirements after 30 days.
The logs are rarely accessed but must be available immediately (millisecond latency) if queried.
This rules out the Archive tier, which requires hours for data rehydration, and points to the Cool tier, which offers lower storage costs and immediate retrieval.
3
Evaluate the storage service types.
Azure Blob Storage lifecycle management handles transitions between Hot and Cool tiers automatically.
Azure Disk Storage is block storage for VMs and does not support automatic lifecycle management of Blob objects.

Anahtar Kavram

Azure Blob Storage tiers and lifecycle management guidelines
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Azure Storage Accounts, Blob, Disk, Files, and Storage Tiers

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