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Free AZ-305 Exam Braindumps (page: 34)

Page 33 of 67
PDF with 319 Questions

DRAG DROP (Drag and Drop is not supported)
Your company identifies the following business continuity and disaster recovery objectives for virtual machines that host sales, finance, and reporting applications in the company’s on-premises data center:

-The sales application must be able to fail over to a second on-premises data center.
-The reporting application must be able to recover point-in-time data at a daily granularity. The RTO is eight hours.
-The finance application requires that data be retained for seven years. In the event of a disaster, the application must be able to run from Azure. The recovery time objective (RTO) is 10 minutes.

You need to recommend which services meet the business continuity and disaster recovery objectives. The solution must minimize costs.

What should you recommend for each application? To answer, drag the appropriate services to the correct applications. Each service may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.

NOTE: Each correct selection is worth one point.
Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



Box 1: Azure Site Recovery
Azure Site Recovery
Coordinates virtual-machine and physical-server replication, failover, and fullback.
DR solutions have low Recovery point objectives; DR copy can be behind by a few seconds/minutes.
DR needs only operational recovery data, which can take hours to a day. Using DR data for long-term retention is not recommended because of the fine-grained data capture.
Disaster recovery solutions have smaller Recovery time objectives because they are more in sync with the source.
Remote monitor the health of machines and create customizable recovery plans.

Box 2: Azure Site Recovery and Azure Backup
Backup ensures that your data is safe and recoverable while Site Recovery keeps your workloads available when/if an outage occurs.

Box 3: Azure Backup only
Azure Backup
Backs up data on-premises and in the cloud
Have wide variability in their acceptable Recovery point objective. VM backups usually one day while database backups as low as 15 minutes.
Backup data is typically retained for 30 days or less. From a compliance view, data may need to be saved for years. Backup data is ideal for archiving in such instances.
Because of a larger Recovery point objective, the amount of data a backup solution needs to process is usually much higher, which leads to a longer Recovery time objective.


Reference:

https://lighthousemsp.com/whats-the-difference-between-azure-backup-and-azure-site-recovery/



You need to design a highly available Azure SQL database that meets the following requirements:

-Failover between replicas of the database must occur without any data loss.
-The database must remain available in the event of a zone outage.
-Costs must be minimized.

Which deployment option should you use?

  1. Azure SQL Managed Instance Business Critical
  2. Azure SQL Database Premium
  3. Azure SQL Database Basic
  4. Azure SQL Managed Instance General Purpose

Answer(s): B

Explanation:

Azure SQL Database Premium tier supports multiple redundant replicas for each database that are automatically provisioned in the same datacenter within a region. This design leverages the SQL Server AlwaysON technology and provides resilience to server failures with 99.99% availability SLA and RPO=0.
With the introduction of Azure Availability Zones, we are happy to announce that SQL Database now offers built-in support of Availability Zones in its Premium service tier.

Incorrect:
Not A: Azure SQL Managed Instance Business Critical is more expensive.
Not C: Need Premium for Availability Zones.
Not D: Zone redundant configuration that is free on Azure SQL Premium is not available on Azure SQL Managed Instance.


Reference:

https://azure.microsoft.com/en-us/blog/azure-sql-database-now-offers-zone-redundant-premium-databases-and-elastic-pools/



You need to design a highly available Azure SQL database that meets the following requirements:

-Failover between replicas of the database must occur without any data loss.
-The database must remain available in the event of a zone outage.
-Costs must be minimized.

Which deployment option should you use?

  1. Azure SQL Managed Instance Business Critical
  2. Azure SQL Database Premium
  3. Azure SQL Database Basic
  4. Azure SQL Database Hyperscale

Answer(s): B

Explanation:

Azure SQL Database Premium meets the requirements and is the least expensive.

Note: There are two high availability architectural models:

* Standard availability model that is based on a separation of compute and storage. It relies on high availability and reliability of the remote storage tier. This architecture targets budget-oriented business applications that can tolerate some performance degradation during maintenance activities.

* Premium availability model that is based on a cluster of database engine processes. It relies on the fact that there is always a quorum of available database engine nodes. This architecture targets mission-critical applications with high IO performance, high transaction rate and guarantees minimal performance impact to your workload during maintenance activities.

Note: Zone-redundant configuration for the general purpose service tier is offered for both serverless and provisioned compute. This configuration utilizes Azure Availability Zones  to replicate databases across multiple physical locations within an Azure region. By selecting zone-redundancy, you can make your new and existing serverless and provisioned general purpose single databases and elastic pools resilient to a much larger set of failures, including catastrophic datacenter outages, without any changes of the application logic.

Incorrect:
Not A: Azure SQL Managed Instance Business Critical is more expensive.
Not C: Azure SQL Database Basic, and General purpose provide only locally redundant availability.


Reference:

https://docs.microsoft.com/en-us/azure/azure-sql/database/high-availability-sla



Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.

After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.

You need to deploy resources to host a stateless web app in an Azure subscription. The solution must meet the following requirements:

-Provide access to the full .NET framework.
-Provide redundancy if an Azure region fails.
-Grant administrators access to the operating system to install custom application dependencies.

Solution: You deploy a web app in an Isolated App Service plan.

Does this meet the goal?

  1. Yes
  2. No

Answer(s): B

Explanation:

Instead: You deploy two Azure virtual machines to two Azure regions, and you create an Azure Traffic Manager profile.

Note: Azure Traffic Manager is a DNS-based traffic load balancer that enables you to distribute traffic optimally to services across global Azure regions, while providing high availability and responsiveness.


Reference:

https://docs.microsoft.com/en-us/azure/traffic-manager/traffic-manager-overview






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