A company is designing a solution that requires synchronous data replication between two availability zones. The application is latency-sensitive. Which factor is most important to verify before committing to this architecture?

The storage account is configured for geo-redundant storage

The network latency between the two zones is low enough to meet the application's performance requirements

The VMs in both zones use the same VM size

The two zones are in the same Azure region

A company currently uses an active-passive failover cluster with two nodes in the same data center. They want to improve fault tolerance by using availability zones. What is the key difference between the current failover cluster and an availability-zone deployment?

The failover cluster requires manual intervention, while availability zones provide automatic failover

The failover cluster replicates data synchronously, while availability zones replicate asynchronously

The failover cluster protects against application failures, while availability zones protect against physical infrastructure failures

The failover cluster provides redundancy for the application, while availability zones provide redundancy for the data only

How do availability zones differ from replication as a fault tolerance technique?

Availability zones are only used for storage, while replication is used for compute

Availability zones provide isolated locations for running application instances, while replication focuses on copying data to multiple locations

Availability zones are used for data backup, while replication is used for running applications

Availability zones are a type of replication that copies entire virtual machines

How do application availability zones contribute to fault tolerance for an application?

By automatically backing up application data to a separate cloud provider

By providing a single, highly available server that never fails

By encrypting all application data to prevent unauthorized access

By allowing the application to be deployed across multiple isolated locations, so a failure in one location does not affect the others

A company runs a stateful application on VMs in a single availability zone. They want to deploy across two zones for higher availability. The application stores session state locally on each VM. What additional change is required to make the multi-zone deployment effective?

Move session state to a shared store accessible from both zones, such as a distributed cache or database

Increase the VM size in each zone to handle the full workload

Configure the load balancer to use sticky sessions so users stay on the same VM

Use a VPN gateway to connect the two zones

Dell Data Protection and Management Foundations v2

Domain 2Objective 5

Explain Fault Tolerance Techniques - Application and Availability Zones DATA-PROTECTION-MANAGEMENT-FOUNDATIONS Practice Questions (Page 3)

Part of the Fault Tolerance Techniques domain, which accounts for 15% of the DATA-PROTECTION-MANAGEMENT-FOUNDATIONS exam.

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Questions 11–15

11expert · hard
A company is designing a solution that requires synchronous data replication between two availability zones. The application is latency-sensitive. Which factor is most important to verify before committing to this architecture?
Select an answer first
12application · medium
A company currently uses an active-passive failover cluster with two nodes in the same data center. They want to improve fault tolerance by using availability zones. What is the key difference between the current failover cluster and an availability-zone deployment?
Select an answer first
13foundation · easy
How do availability zones differ from replication as a fault tolerance technique?
Select an answer first
14foundation · easy
How do application availability zones contribute to fault tolerance for an application?
Select an answer first
15application · medium
A company runs a stateful application on VMs in a single availability zone. They want to deploy across two zones for higher availability. The application stores session state locally on each VM. What additional change is required to make the multi-zone deployment effective?
Select an answer first

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