Final answer:
Azure Service Health is the component that provides information about planned maintenance and advisories including deprecated offerings in Azure, offering a personalized dashboard for tracking the health of Azure services.
Step-by-step explanation:
The Azure component that provides information about planned maintenance and advisories, such as deprecated offerings, is C. Azure Service Health. Azure Service Health offers a personalized dashboard that provides guidance and support when issues in Azure services affect you. It allows you to track the health of your Azure services in the regions where you use them. In contrast, Azure Advisor is a personalized guidance service that helps optimize Azure resources for high availability, security, performance, and cost. Azure Security Center offers advanced threat protection and unified security management for your Azure resources, and Azure Monitor helps to collect, analyze, and act on telemetry data from your Azure and on-premises environments. Therefore, for planned maintenance and advisories, Azure Service Health is the correct tool to use.