AZ-900 Practice Test A (01-10)

Question 1:

What makes a system highly available?

A.    If it maintains 100% availability

B.    A system specifically designed to be resilient, with no single point of failures

C.    Must have a minimum of two VMs

D.    It's not possible to make a highly available system

 

(Correct - B) Explanation: -

High Availability - a system specifically designed to be resilient when some component of the system fails

See: https://docs.microsoft.com/en-us/azure/virtual-machines/windows/availability



Question 2:

Your organization has implemented an Azure Policy that restricts the type of Virtual Machine instances you can use. How can you create a VM that is blocked by the policy?

A.    Use an account that has Contributor or above permissions to the resource group

B.    Subscription Owners (Administrators) can create resources regardless of what the policy restricts

C.    The only way is to remove the policy, create the resource and add the policy back

 

(Correct - C) Explanation:-

You cannot perform a task that violates policy, so you have to remove the policy in order to perform the task.

See: https://docs.microsoft.com/en-us/azure/governance/policy/overview



Question 3:

Which of the following is something that Azure Cognitive Services API can currently do?

A.    Translate text from one language to another

B.    Recognize text in an image

C.    All of these! Azure can do it all!

D.    Create text from audio

E.     Speak text in an extremely realistic way

F.     Recognize faces in a picture

 

(Correct - C) Explanation:-

Azure can do all of them, of course.

See: https://docs.microsoft.com/en-us/azure/cognitive-services/welcome

 


Question 4:

Which Azure Service contains pre-built machine learning models that you can use in your own code, using an API?

A.    App Services

B.    Cognitive Services

C.    Azure Functions

D.    Azure Blueprints

 

(Correct - B) Explanation:-

Cognitive Services is an API that Azure provides, that gives access to a set of pre-built machine learning models including vision services, speech services, knowledge management and chat bots.

 


Question 5:

What is the MAIN management tool used for managing Azure resources with a graphical user interface?

A.    Remote Desktop Protocol (RDP)

B.    Azure Storage Explorer

C.    Azure Portal

D.    PowerShell

 

(Correct - C) Explanation:-

Azure Portal is the website used to manage your resources in Azure

See: https://docs.microsoft.com/en-us/azure/azure-portal/azure-portal-overview

 


Question 6:

Why would someone prefer a Consumption-based pricing model as opposed to a Time-based pricing model?

A.    It is always cheaper to pay for consumption than to pay by the hour

B.    You can save a lot of money if you don't use the resource often as opposed to having it available for use 24/7

C.    You can easily predict the cost of the service into the future

D.    The pricing model is simpler and easier to understand

 

(Correct - B) Explanation:-

Consumption-Based Model - paying for something based on how much you used, as opposed to paying for something no matter if you use it or not.

See: https://docs.microsoft.com/en-us/azure/azure-functions/functions-consumption-costs

  


Question 7:

Which ways does the Azure Resource Manager model provide to deploy resources?

A.    Azure Portal

B.    CLI

C.    REST API / SDK

D.    Powershell

 

(Correct – A,B,C,D) Explanation:-

All of those ways can be used to deploy or manage resources using ARM

See: https://docs.microsoft.com/en-us/azure/azure-resource-manager/management/overview

 


Question 8:

Which Azure service is meant to be a security dashboard that contains all the security and threat protection in one place?

A.    Azure Monitor

B.    Azure Key Vault

C.    Azure Portal Dashboard

D.    Azure Security Center

 

(Correct - D) Explanation:-

Azure Security Center - unified security management and threat protection; a security dashboard inside Azure Portal

See: https://azure.microsoft.com/en-us/services/security-center/

  


Question 9:

What is the default amount of credits that you are given when you first create an Azure Free account?

A.    You can create 1 Linux VM, 1 Windows VM, and a number of other free services for the first year.

B.    You are given $50 per month, for one year towards Azure services

C.    Azure does not give you any free credits when you create a free account

D.    The default is US$200

 

(Correct - D) Explanation:-

There are some other benefits to a free account, but you get US$200 to spend in the first month.

See: https://azure.microsoft.com/free

 


Question 10:

What feature of a system makes it elastic?

A.    The ability to withstand denial of service attacks

B.    The ability to heal itself after a crash

C.    The ability to increase and reduce capacity based on actual demand

D.    The ability to stay up (available) while updates are being made to the system

 

(Correct - C) Explanation:-

Elasticity - The ability of a system to automatically grow when maximum capacity is reached, and automatically shrink to minimize waste.

See: https://azure.microsoft.com/en-us/overview/what-is-elastic-computing/

 

 

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