Overview of the AZ-104 Certification
The AZ-104 Microsoft Azure Administrator certification is designed for professionals who have expertise in implementing, managing, and monitoring an organization's Microsoft Azure environment. This includes areas such as virtual networks, storage, compute, identity, security, and governance.

Key Areas of Focus
Azure Resource Management: You should be familiar with Azure Resource Manager templates, which are used to consistently deploy assets.

Identity and Access Management: The AZ-104 exam places significant emphasis on identity management and implementation using Azure Active Directory (AD) for your organization with hybrid infrastructure or on-premise, role-based control of Azure resources, and the management and subscription of multiple directories and access to the users.

Azure Services: You should have a good understanding of Azure services such as Azure Manage Identities and Governance, Azure Storage Services, Accounts, Azure Compute Resources, Azure Virtual Networking, Azure Monitoring, and Azure Backup services.

Preparation Strategies
Microsoft Learn: This platform provides free online training and learning paths for different Microsoft technologies. It offers not just reading material, but also control questions and free online labs.

Online Training Courses: Online training courses are a convenient way to learn difficult concepts from industry experts. There are self-paced online training classes provided by Microsoft for the AZ-104 exam.
Practice Tests: Practicing for an exam like the AZ-104 can be a full-time job. The MeasureUp AZ-104: Microsoft Azure Administrator practice test from mind hub is designed to help you prepare for and pass the Microsoft AZ-104 exam.

Study Guides: There are many great resources out there to prepare for the exam. For example, the AZ-104: Microsoft Azure Administrator Certification Exam Study Guide provides in-depth notes for all exam topics, example PowerShell / AZ CLI commands, further tips, and the ability to track your study progress.