1-Azure Monitor collects two types of data: metrics and logs. Metrics are numerical values that describe some aspect of a system at a particular time. Logs contain different kinds of data, such as event information, organized into records.
2-Azure DNS allows you to host your registered domains. You can control and configure the domain records, like A, CNAME, MX, and setup alias records.
3-the A or AAAA record DNS record should you create to map one or more IP addresses against a single domain
3-threat-detection &infrastructure security is handled by Azure Security Manager.
4-Azure DNS is built on Azure Resource Manager, which provides security across all resources in Azure DNS.
5-Azure DNS isn't a domain registrar. It hosts your domain and allows you to manage DNS zone records.
6-Azure DNS supports a robust security model. But Azure DNS primarily allows you to host your domain, and manage DNS zone records
7-The SOA record is the start of authority for your domain. It's used by other DNS servers to resolve your domain.
8-The CNAME record maps multiple domain names or hosts to a single IP address.
