Answer:

Explanation:
Scenario: Shipping website
Use Azure Content Delivery Network (CDN) and ensure maximum performance for dynamic content while minimizing latency
and costs.
Tier: Standard
Profile: Akamai
Optimization: Dynamic site acceleration
Dynamic site acceleration (DSA) is available for Azure CDN Standard from Akamai, Azure CDN Standard from Verizon, and
Azure CDN Premium from Verizon profiles.
DSA includes various techniques that benefit the latency and performance of dynamic content. Techniques include route and
network optimization, TCP optimization, and more.
You can use this optimization to accelerate a web app that includes numerous responses that aren't cacheable. Examples
are search results, checkout transactions, or real-time data. You can continue to use core Azure CDN caching capabilities
for static data.
Reference:
https://docs.microsoft.com/en-us/azure/cdn/cdn-optimization-overview

Answer:

Explanation:
Box 1: Azure Backup
The VM is critical and has not been backed up in the past. The VM must enable a quick restore from a 7-day snapshot to
include in-place restore of disks in case of failure.
In-Place restore of disks in IaaS VMs is a feature of Azure Backup.
Performance: Accelerated Networking
Scenario: The VM shows high network latency, jitter, and high CPU utilization.
Box 2: Accelerated networking
The VM shows high network latency, jitter, and high CPU utilization.
Accelerated networking enables single root I/O virtualization (SR-IOV) to a VM, greatly improving its networking
performance. This high-performance path bypasses the host from the datapath, reducing latency, jitter, and CPU utilization,
for use with the most demanding network workloads on supported VM types.
Reference:
https://azure.microsoft.com/en-us/blog/an-easy-way-to-bring-back-your-azure-vm-with-in-place-restore/
Develop
Azure compute solutions

Answer:

Explanation:
Box 1: RepositoryUpdated
When a new version of the ContentAnalysisService is available the previous seven days of content must be processed with
the new version to verify that the new version does not significantly deviate from the old version.
Box 2: service Box 3: imageCollection
Reference:
https://docs.microsoft.com/en-us/azure/devops/notifications/oob-supported-event-types
Develop Azure compute solutions

Answer:

B

Explanation:
Scenario:
You must minimize costs for all Azure services.
All Internal services must only be accessible from internal Virtual Networks (VNets).
Best for long-running scenarios where Durable Functions can't be used. Consider an App Service plan in the following
situations: You have existing, underutilized VMs that are already running other App Service instances.

You want to provide a custom image on which to run your functions. Predictive scaling and costs are required.


Note: When you create a function app in Azure, you must choose a hosting plan for your app. There are three basic hosting
plans available for Azure Functions: Consumption plan, Premium plan, and Dedicated (App Service) plan.
Incorrect Answers:
A: A Premium plan would be more costly. C: Need the VNET functionality.
Reference:
https://docs.microsoft.com/en-us/azure/azure-functions/functions-scale

Answer:

Explanation:
Step 1: Build a new application image by using dockerfile
Step 2: Create an alias if the image with the fully qualified path to the registry
Before you can push the image to a private registry, youve to ensure a proper image name. This can be achieved using the
docker tag command. For demonstration purpose, well use Dockers hello world image, rename it and push it to ACR.
# pulls hello-world from the public docker hub
$ docker pull hello-world
# tag the image in order to be able to push it to a private registry
$ docker tag hello-word /hello-world
# push the image
$ docker push /hello-world
Step 3: Log in to the registry and push image
In order to push images to the newly created ACR instance, you need to login to ACR form the Docker CLI. Once logged in,
you can push any existing docker image to your ACR instance.
Scenario:
Coho Winery plans to move the application to Azure and continue to support label creation.
LabelMaker app
Azure Monitor Container Health must be used to monitor the performance of workloads that are deployed to Kubernetes
environments and hosted on Azure Kubernetes Service (AKS).
You must use Azure Container Registry to publish images that support the AKS deployment.
Reference:
https://thorsten-hans.com/how-to-use-a-private-azure-container-registry-with-kubernetes-9b86e67b93b6
https://docs.microsoft.com/en-us/azure/container-registry/container-registry-tutorial-quick-task

Answer:

C

Explanation:
Methods to Get User Identity and Claims in a .NET Azure Functions App include: ClaimsPrincipal from the Request

Context
The ClaimsPrincipal object is also available as part of the request context and can be extracted from the
HttpRequest.HttpContext. User Claims from the Request Headers.

App Service passes user claims to the app by using special request headers.
Reference:
https://levelup.gitconnected.com/four-alternative-methods-to-get-user-identity-and-claims-in-a-net-azure-functions-app-
df98c40424bb

Answer:

B

Explanation:
Azure Event Hub is used for telemetry and distributed data streaming.
This service provides a single solution that enables rapid data retrieval for real-time processing as well as repeated replay of
stored raw data. It can capture the streaming data into a file for processing and analysis.
It has the following characteristics:
low latency

capable of receiving and processing millions of events per second at least once delivery Reference:


https://docs.microsoft.com/en-us/azure/event-grid/compare-messaging-services

Answer:

Explanation:
Box 1: [BlobTrigger(..)]
Box 2: [Blob(..)]
Azure Blob storage output binding for Azure Functions. The output binding allows you to modify and delete blob storage data
in an Azure Function.
The attribute's constructor takes the path to the blob and a FileAccess parameter indicating read or write, as shown in the
following example:
[FunctionName("ResizeImage")]
public static void Run(
[BlobTrigger("sample-images/{name}")] Stream image,
[Blob("sample-images-md/{name}", FileAccess.Write)] Stream imageSmall)
{
...
}
Scenario: You must create an Azure Function named CheckUserContent to perform the content checks.
The companys data science group built ContentAnalysisService which accepts user generated content as a string and
returns a probable value for inappropriate content. Any values over a specific threshold must be reviewed by an employee of
Contoso, Ltd.
Reference:
https://docs.microsoft.com/en-us/azure/azure-functions/functions-bindings-storage-blob-output
Develop for Azure storage

Answer:

A

Explanation:
Scenario: All Internal services must only be accessible from Internal Virtual Networks (VNets) There are three Network
Location types Private, Public and Domain Reference:
https://devblogs.microsoft.com/powershell/setting-network-location-to-private/

Answer:

Explanation:
Box 1: AzureServiceTokenProvider()
Box 2: tp.GetAccessTokenAsync("..")
Acquiring an access token is then quite easy. Example code:
private async Task GetAccessTokenAsync()
{
var tokenProvider = new AzureServiceTokenProvider();
return await tokenProvider.GetAccessTokenAsync("https://storage.azure.com/");
}
Reference: https://joonasw.net/view/azure-ad-authentication-with-azure-storage-and-managed-service-identity

Answer:

Explanation:
Scenario: Disaster recovery. Regional outage must not impact application availability. All DR operations must not be
dependent on application running and must ensure that data in the DR region is up to date.
Box 1: DirectoryTransferContext
We transfer all files in the directory.
Note: The TransferContext object comes in two forms: SingleTransferContext and DirectoryTransferContext. The former is
for transferring a single file and the latter is for transferring a directory of files.
Box 2: ShouldTransferCallbackAsync
The DirectoryTransferContext.ShouldTransferCallbackAsync delegate callback is invoked to tell whether a transfer should be
done.
Box 3: False
If you want to use the retry policy in Copy, and want the copy can be resume if break in the middle, you can use SyncCopy
(isServiceCopy = false).
Note that if you choose to use service side copy ('isServiceCopy' set to true), Azure (currently) doesn't provide SLA for that.
Setting 'isServiceCopy' to false will download the source blob loca
Reference: https://docs.microsoft.com/en-us/azure/storage/common/storage-use-data-movement-library
https://docs.microsoft.com/en-
us/dotnet/api/microsoft.windowsazure.storage.datamovement.directorytransfercontext.shouldtransfercallbackasync?view=az
ure-dotnet
Develop for Azure storage

Answer:

Explanation:
Box 1: Strong
When the consistency level is set to strong, the staleness window is equivalent to zero, and the clients are guaranteed to
read the latest committed value of the write operation.
Scenario: Changes to the Order data must reflect immediately across all partitions. All reads to the Order data must fetch the
most recent writes.
Note: You can choose from five well-defined models on the consistency spectrum. From strongest to weakest, the models
are: Strong, Bounded staleness, Session, Consistent prefix, Eventual
Box 2: SQL
Scenario: You identify the following requirements for data management and manipulation: Order data is stored as
nonrelational JSON and must be queried using Structured Query Language (SQL).

Answer:

Explanation:
Box 1: orders o
Scenario: Order data is stored as nonrelational JSON and must be queried using SQL.
Box 2:li
Box 3: o.line_items
Box 4: o.city
The city field is in Order, not in the 2s.
Develop for Azure storage

Answer:

Explanation:
Box 1: allowedMemberTypes allowedMemberTypes specifies whether this app role definition can be assigned to users and
groups by setting to "User", or to other applications (that are accessing this application in daemon service scenarios) by
setting to "Application", or to both.
Note: The following example shows the appRoles that you can assign to users. "appId": "8763f1c4-f988-489c-a51e-
158e9ef97d6a",
"appRoles": [
{
"allowedMemberTypes": [
"User"
],
"displayName": "Writer",
"id": "d1c2ade8-98f8-45fd-aa4a-6d06b947c66f",
"isEnabled": true,
"description": "Writers Have the ability to create tasks.", "value": "Writer"
}
],
"availableToOtherTenants": false,
Box 2: User
Scenario: In order to review content a user must be part of a ContentReviewer role.
Box 3: value value specifies the value which will be included in the roles claim in authentication and access tokens.
Reference:
https://docs.microsoft.com/en-us/graph/api/resources/approle

Answer:

Explanation:
Box 1: "oauth2Permissions": ["login"]
oauth2Permissions specifies the collection of OAuth 2.0 permission scopes that the web API (resource) app exposes to
client apps. These permission scopes may be granted to client apps during consent.
Box 2: "oauth2AllowImplicitFlow":true
For applications (Angular, Ember.js, React.js, and so on), Microsoft identity platform supports the OAuth 2.0 Implicit Grant
flow.
Reference: https://docs.microsoft.com/en-us/azure/active-directory/develop/reference-app-manifest