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Zorluk: OrtaReliability, Predictability, and Disaster Recovery

A software company is migrating its customer portal to Microsoft Azure. The portal must meet two operational requirements:
1. If a virtual machine hosting the portal fails due to a localized hardware issue, the system must automatically detect the failure and keep the application running without manual intervention.
2. If a catastrophic disaster renders the primary Azure region completely offline, the company must be able to restore the portal's operations in a secondary Azure region.

Which cloud concepts do these requirements represent?

  1. A
    Requirement 1 represents disaster recovery, and Requirement 2 represents reliability.
  2. B
    Requirement 1 represents scalability, and Requirement 2 represents elasticity.
  3. Requirement 1 represents reliability, and Requirement 2 represents disaster recovery.Cevap
  4. D
    Requirement 1 represents predictability, and Requirement 2 represents reliability.

Cevap

Requirement 1 represents reliability, and Requirement 2 represents disaster recovery.
The correct answer states that Requirement 1 represents reliability and Requirement 2 represents disaster recovery. Reliability focuses on keeping applications running during localized hardware failures, while disaster recovery is about restoring application operations after a region-wide catastrophic failure.

Adım Adım Çözüm

1
Analyze the first requirement: automatic recovery from a localized virtual machine/hardware failure.
Identified as a component of Reliability.
Reliability is the ability of a system to recover from infrastructure failures and continue to function. Localized hardware issues are handled by built-in redundancy to maintain service uptime.
2
Analyze the second requirement: restoring operations in a secondary region after a catastrophic regional outage.
Identified as Disaster Recovery.
Disaster recovery involves a deliberate plan and set of procedures to restore application functionality and data in an alternative geographic location when the primary site becomes completely unavailable.

Anahtar Kavram

Distinguishing between Reliability and Disaster Recovery in cloud computing.
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Reliability, Predictability, and Disaster Recovery

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