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Microsoft Azure Fundamentals (AZ-900) Exam Guide: How to pass in 2 days?
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Basic information about AZ-900 Exam
Your Learning Path for AZ-900 Exam Should be
This section is based on the list from the Microsoft website which is quite accurate to the exam.
High Availability — The major cloud providers (Azure, AWS, GCP) have multiple data centers spread around throughout the world. Data and code stored in the cloud are copied to more than one data center. If anything happens to one data center, the data can be recovered from another data center.
Fault Tolerance — In case there is any fault in the application or infrastructure, the service can continue to work by moving the work to other healthy servers.
Agility — Cloud allows the business to deliver the IT systems to customers faster. The machines in the cloud are ready for cloud users to spin up when they need and shut down when they are not required.
Economies of scale — Cloud is a shared pool of machines and services. As the number of customers grows, the cloud providers can lower the cost or increase the quality of the services.
will take care of the physical infrastructure e.g. data center security or hardware repair, while the cloud users need to take care of server maintenance. For example, Azure VM allows the users to
spin up new virtual machines in any size.
Private Cloud — When the companies decided to use all their servers on their own data center to replicate the cloud services e.g. offering self-service components.
Hybrid Cloud — When the companies decided to use some of the servers in their own data center, and some of the servers in public cloud.
Internet of Things (IoT) — Azure IoT Hub, IoT Central
Big Data & Analytics — Azure HDInsight, Data Lake Analytics, Databricks
Azure services for security in different
areas:
Network Security — Azure Firewall, DDoS Protection, and
Network Security Group
Authentication and Authorization — Azure Activity
Directory (AD)
Application Security — Azure Key Vault, Information
Protection, Advanced Threat Protection Resource
Governance — Azure Policies & Initiatives, Role-Based
Access Control (RBAC), Locks, Management Groups, Advisor
Monitoring & Reporting — Azure Monitor, Service
Health
Privacy & Regulatory Compliance — Azure Government
(for US governments), Germany (for EU’s GDPR regulation), Trust
Center
Part 4) Azure Pricing and Support
This part contains the information about different types of Azure
subscription, cost factors of Azure services, tools for cost
calculation, and the support plans in Azure.
Student — Students will receive $100 credit to spend in the first 12 months. No credit card required for this subscription type, but the student email verification is required.
Cost Factors of Azure services:
Resource Types — Different Azure products will have
different pricing e.g. Azure VM cost will be based on the virtual
machine size, operating system, usage hours, and storage size. The users
can turn off the virtual machine temporarily to save usage hours cost,
but the storage cost will always incur.
Pricing Calculator — The website where the
potential customers can plan their cost before moving to Azure
cloud
Azure Cost Management — Azure free service which shows
how much have we spent in this billing period, and also provide the best
practices to optimize the cost
Azure Advisor — Azure free service which provides the
recommendations in high availability, security, performance, and cost
based on Azure products we are using
Service Level Agreement (SLA)
SLA is the minimum time that Azure commits the service will be available
to use. If the service is offline for a longer time than SLA, Azure will
provide credits for the customers.
Azure offers 99.9% SLA on most Azure products
There are some cases that the SLA can be increased. For example, Azure
guarantees 99.99% SLA for the virtual machines that have more than one
instance across more than one region.
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it will be very helpful to you.
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