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Which change always requires downtime?

You are planning an upgrade strategy for an existing Azure application. Multiple instances of the
application run in Azure. The management team is concerned about application downtime, due to a
business service level agreement (SLA).
You are evaluating which change in your environment will require downtime.
You need to identify the changes to the environment that will force downtime.
Which change always requires downtime?

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A.
Adding an HTTPS endpoint to a web role

B.
Upgrading the hosted service by deploying a new package

C.
Changing the value of a configuration setting

D.
Changing the virtual machine size

Explanation:
If you change the number of endpoints for your service, for example by adding a HTTPS endpoint for
your existing Web Role, it will require downtime.
Re-Deploying your Windows Azure Service without Incurring Downtime
http://blog.toddysm.com/2010/06/re-deploying-your-windows-azure-service-without-incurringdowntime.html

19 Comments on “Which change always requires downtime?

  1. Akhtar says:

    You create several virtual machines (VMs) that run the latest version of Ubuntu Linux by using the Virtual Machine Marketplace. You
    deploy the VMs to Azure by using the Azure Resource Manger (ARM) You plan to use Azure Backup to create backup copies of the VMs in case of an emergency

    You need to backup VMs daily and retian backups for a year

    Which five actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to Answer area and arragnge them in correct order




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  2. Akhtar says:

    You are training a new developer
    You need to describe the process flow for sending a notification

    Which three actions must be performed in sequence? To answer, move the appropriate actions
    from the list of acitons to the answer area and arrange them in the correct order




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  3. Akhtar says:

    You need to choose an Azure service for the training initiative
    Which two services should you use.

    Azure AD Connect
    Azure SQL Data Warehouse
    App Service
    Media Service
    Notification HUb




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  4. Akhtar says:

    You need to correct the API continuous deployment error

    Update the package.json file to specify the required modules
    Update the address information for the Azure remote
    Perform the Git push operation again specifying the master branch
    In the azure portal start the web application




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  5. Akhtar says:

    You need to support the disaster recovery requirements of the web application and API

    Which two actions should you perform? Each correct answer present part of the solution

    Create an Azure Redis Cache for the web Application and API
    Deploy the API and web application to multiple locations
    Configure automated backups of the API and Web application
    Enabled application Insights for the web application and API
    Create a new Azure SQL data Warehouse and connect it to the Web application and API




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  6. Akhtar says:

    You need to ensure that the customer facing website meets the scaling and deployment requirements

    Use traffic manager with load balancing enabled. Deploy websites in a single region

    Deploy and maintain multiple web app instances in the largest. Azure datacenters in North America Europe and Asia

    Use traffic manager with load balancing enabled. Deploy web apps in multiple regions that are nearest to the website visitor populations

    Implement operational procedures to quickly deploy additional local instances of the web apps when you are notified by Traffic Manager




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  7. Akhtar says:

    You need to implement authentication for the dataviwer application

    Configure azure active directory connect with password synchronization and device write back
    Configure domain based filtering for the approved domains
    Configure Azure Active Directory B2C to authenticate users by using email
    Configure attribute based filtering for the approved objects
    Configure Azure Active Directory connect with password synchronization and password writeback




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