Read the summary and the most important questions on AZ-900

• 1 AZ-900

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• Which feature of Azure Monitor allows you to visually analyse telemetry data?

  Application Insight

• What does Service Health not analyse?

  Telemetry data, it tracks the state of Azure Services. It allows administrators to be notified of events like planned maintenance or a service outage.

• Which five features are provided bij Azure Advisor?

  - Detects threats and vulnerabilities
  - Ensures faut tolerance
  - Helps you reduce spending
  - Protects data from accidental deletion
  - Speeds up your applications

• You need to analyse large volumes of streaming data being collected from Internet of Things (IoT) devices. What should you choose?

  HDInsight.

• What is Machine Learning service?

  Machine Learning service is a data science technique that enables computers to predict outcomes and trends without being explicitly programmed. It's a cloud service to train, deploy, automate and manage machine learning models.

• Which regulation adresses data protection and privacy for all individuals in the European Union (EU)?

  General Data Protection Regulation (GDPR)

• How can Azure lower capital expenditure (CapEx) costs?

  Aure allows you to pay monthly based on usage rather than pay upfront for physical hardware

• Which statements accurately describe Azure PowerShell?

  - Azure PowerShell can be used to create scripts to automate Azure management tasks.
  - Azure PowerShell can be run in a browser I the Azure Cloud Shell.

• You need a security solution that helps provision, manage and deploy Secure Socket Layer/Transport layers Security (SSL/TLS) certificates. What should you use?

  Key Vault

• You are planning to deploy resources to Azure. Your manager wants to know more about Azure's service level agreements (SLAs) and the annual expected downtime for resources. You need to provide the estimated expected downtime for each SLA.What is the estimated expected annual downtime for each SLA?

  - SLA%: 99.99 - Expected downtime: One Hour
  - SLA%: 99.95 - Expected downtime: Four hours
  - SLA%: 99 - Expected downtime: Four days
  
  To calculate the annual downtime for an SLA, you simply multiply the SLA% by 365 (number of days in a year). For an SLA of 99.99% you multiply .9999 times 365, which yields 364.96 days. This means the expected downtime is 0.04 day, or approximately one hour (0.04 times 24 hours equals 0.96 hours).