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Microsoft - AZ-900: Microsoft Azure Fundamentals

Sample Questions

Question: 220
Measured Skill: Describe Azure cost management and Service Level Agreements (10-15%)

To complete the sentence, select the appropriate option in the answer area.

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AMicrosoft will refund your bank account.
B Microsoft will migrate the resource to another subscription.
C Microsoft will credit your Azure account.
D Microsoft will send you a coupon code that you can redeem for Azure credits.

Correct answer: C

Explanation:

Microsoft is willing to pay a refund for Azure service outages that falls outside of their Service Level Agreement (SLA) commitments. There are cases when this happened automatically. But, in general the customer needs to claim the refund.

What happens if Microsoft doesn’t meet its SLA? 
It is up to the customer or partner to determine if the Microsoft Azure service level agreement has not been met.  In order to be eligible to submit a claim with respect to any incident, the customer must first have notified Customer Support of the incident within 5 business days following the incident.  The customer must also provide sufficient evidence to support the claim. Once the claim has been validated by Microsoft a credit of 10% will be awarded for SLA’s between 99.5% and 99%.  For SLA’s below 99% a 25% credit will be issued for that particular month in which the SLA was not met. For more information on the Azure SLA, see the Service Level Agreement.

Reference: What is the Microsoft Azure Service Level Agreement (SLA)?



Question: 221
Measured Skill: Describe Azure cost management and Service Level Agreements (10-15%)

For each of the following statements, select Yes if the statement is true. Otherwise, select No.

(NOTE: Each correct selection is worth one point.)

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AAdding resource groups in an Azure subscription generates additional costs: Yes
Copying 10 GB of data to Azure from an on-premises network over a VPN...: Yes
Copying 10 GB of data from Azure to an on-premises network over a VPN...: Yes
B Adding resource groups in an Azure subscription generates additional costs: Yes
Copying 10 GB of data to Azure from an on-premises network over a VPN...: Yes
Copying 10 GB of data from Azure to an on-premises network over a VPN...: No
C Adding resource groups in an Azure subscription generates additional costs: No
Copying 10 GB of data to Azure from an on-premises network over a VPN...: Yes
Copying 10 GB of data from Azure to an on-premises network over a VPN...: Yes
D Adding resource groups in an Azure subscription generates additional costs: No
Copying 10 GB of data to Azure from an on-premises network over a VPN...: No
Copying 10 GB of data from Azure to an on-premises network over a VPN...: Yes
E Adding resource groups in an Azure subscription generates additional costs: Yes
Copying 10 GB of data to Azure from an on-premises network over a VPN...: No
Copying 10 GB of data from Azure to an on-premises network over a VPN...: Yes
F Adding resource groups in an Azure subscription generates additional costs: No
Copying 10 GB of data to Azure from an on-premises network over a VPN...: No
Copying 10 GB of data from Azure to an on-premises network over a VPN...: No

Correct answer: D

Explanation:

Azure resource groups are free of charge.

Setting up a virtual network is free of charge. However, Microsoft does charge for the VPN gateway that connects to on-premises and other virtual networks in Azure. This charge is based on the amount of time that gateway is provisioned and available. Data transfers over the VPN connections to your on-premises sites or the internet in general are charged separately at the regular data transfer rate. Inbound data transfers are free. Outbound data transfers are charged.

References:

VPN Gateway pricing

Bandwidth Pricing Details



Question: 222
Measured Skill: Describe cloud concepts (20-25%)

To complete the sentence, select the appropriate option in the answer area.

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AThe virtual machines cannot be moved to the new subscription.
B The virtual machines can be moved to the new subscription.
C The virtual machines cannot be moved to the new subscription only if they are all in the same resource group.
D The virtual machines cannot be moved to the new subscription only if they run Windows Server 2016.

Correct answer: B

Explanation:

Moving between subscriptions can be handy if you originally created a VM in a personal subscription and now want to move it to your company's subscription to continue your work. You do not need to stop the VM in order to move it and it should continue to run during the move.

Reference: Move a Windows VM to another Azure subscription or resource group

Question: 223
Measured Skill: Describe core solutions and management tools on Azure (10-15%)

To complete the sentence, select the appropriate option in the answer area.

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AYou can enable just in time (JIT) VM access by using Azure Bastion.
B You can enable just in time (JIT) VM access by using Azure Firewall.
C You can enable just in time (JIT) VM access by using Azure Front Door.
D You can enable just in time (JIT) VM access by using Azure Security Center.

Correct answer: D

Explanation:

When you enable just-in-time VM access, you can select the ports on the VM to which inbound traffic will be blocked. Security Center ensures "deny all inbound traffic" rules exist for your selected ports in the network security group (NSG) and Azure Firewall rules. These rules restrict access to your Azure VMs’ management ports and defend them from attack.

If other rules already exist for the selected ports, then those existing rules take priority over the new "deny all inbound traffic" rules. If there are no existing rules on the selected ports, then the new rules take top priority in the NSG and Azure Firewall.

When a user requests access to a VM, Security Center checks that the user has Azure role-based access control (Azure RBAC) permissions for that VM. If the request is approved, Security Center configures the NSGs and Azure Firewall to allow inbound traffic to the selected ports from the relevant IP address (or range), for the amount of time that was specified. After the time has expired, Security Center restores the NSGs to their previous states. Connections that are already established are not interrupted.

Reference: Enable JIT VM access

Question: 224
Measured Skill: Describe Azure cost management and Service Level Agreements (10-15%)

To complete the sentence, select the appropriate option in the answer area.

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AThe composite SLA for the application is the product of both SLAs, which equals 99.94 percent.
B The composite SLA for the application is the lowest SLA associated to the application, which is 99.95 percent.
C The composite SLA for the application is the highest SLA associated to the application, which is 99.99 percent.
D The composite SLA for the application is the difference between the two SLAs, which is 0.05 percent.

Correct answer: A

Explanation:

Composite SLAs involve multiple services supporting an application, each with differing levels of availability. For example, consider an App Service web app that writes to Azure SQL Database. At the time of this writing, these Azure services have the following SLAs:

  • App Service web apps = 99.95%
  • SQL Database = 99.99%

What is the maximum downtime you would expect for this application? If either service fails, the whole application fails. The probability of each service failing is independent, so the composite SLA for this application is 99.95% × 99.99% = 99.94%. That's lower than the individual SLAs, which isn't surprising because an application that relies on multiple services has more potential failure points.

Reference: Understand service-level agreements



 
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