AZ-900 Azure Monitoring and Service Level Agreements 1 — Questions and Answers
Question 1: What is a Service Level Agreement (SLA) in the context of Azure?
- A contract defining the pricing of Azure services
- Microsoft's commitment to uptime and connectivity percentages for Azure services (Correct answer)
- A user agreement for the Azure Portal
- A document describing Azure security certifications
Correct answer: Microsoft's commitment to uptime and connectivity percentages for Azure services
An Azure SLA defines the minimum uptime and connectivity guarantees Microsoft commits to for each service, expressed as a percentage like 99.9% or 99.99%.
Question 2: What uptime percentage does an SLA of 99.9% allow per month in downtime?
- About 43 minutes (Correct answer)
- About 8.7 hours
- About 1.5 hours
- About 4.4 hours
Correct answer: About 43 minutes
A 99.9% SLA means 0.1% downtime per month, which equals approximately 43.8 minutes of allowable downtime per 30-day month.
Question 3: How can you increase the effective SLA for an Azure VM deployment above the standard single-VM SLA?
- By enabling VM encryption
- By deploying VMs across Availability Zones or in an Availability Set (Correct answer)
- By using a premium storage account
- By enabling Azure Defender
Correct answer: By deploying VMs across Availability Zones or in an Availability Set
Deploying two or more VMs in an Availability Set or across Availability Zones raises the composite SLA to 99.99% by eliminating single points of failure.
Question 4: What happens to the composite SLA when you combine two services each with a 99.9% SLA?
- It stays at 99.9%
- It increases to 99.99%
- It decreases to approximately 99.8% (Correct answer)
- It becomes 100% due to redundancy
Correct answer: It decreases to approximately 99.8%
The composite SLA of dependent services is calculated by multiplying their individual SLAs: 0.999 × 0.999 = 0.998001, approximately 99.8%.
Question 5: What is Azure Service Health?
- A dashboard showing the health of your virtual machines
- A service that provides personalized alerts and guidance when Azure service issues affect your resources (Correct answer)
- A compliance report for Azure certifications
- A tool to measure application response time
Correct answer: A service that provides personalized alerts and guidance when Azure service issues affect your resources
Azure Service Health notifies you about Azure service incidents, planned maintenance, and health advisories that may impact your specific resources.
Question 6: Which component of Azure Service Health shows the current status of all Azure services globally?
- Azure Advisor
- Azure Status Page (status.azure.com) (Correct answer)
- Azure Monitor
- Azure Resource Health
Correct answer: Azure Status Page (status.azure.com)
The Azure Status page at status.azure.com provides a global view of the health of all Azure services and regions in real time.
What is a Service Level Agreement (SLA) in the context of Azure?