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Content distribution network (Content Delivery Network, referred to as CDN) is a distributed network, which is established and covered on the bearer network, which is composed of edge nodes and cloud servers distributed in different areas. CDN shares the pressure on the origin server, avoids network congestion, ensures that the distribution of website content is accelerated in different regions and different scenarios, and improves the speed of resource access. Today I would like to introduce you to the Azure-CDN content distribution network.

Starting with this article, I will write:

"Azure Administrator Certification exam AZ-103" study notes as a sharing!

Note:

The function of learning notes: just for the convenience of future study, and for those who are willing to learn.

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Phase 1: manage Azure subscriptions and resources

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I. Overview

2. Manage Azure subscriptions

Third, analyze the utilization rate and usage of resources

IV. Manage resource groups

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Phase 2: implement and manage Azure Stora

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I. Overview of Storage

Create and configure storage accounts

Import and export data in Azure

4. Configure Azure file

Fifth, implement Azure backup

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Phase 3: configure and manage virtual networks

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I. Overview of the network

II. Implement and manage virtual networks

Third, establish a connection between virtual networks

Fourth, configure name resolution

Create and configure a network security group (NSG)

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Phase IV: deployment and management of Azure virtual machines

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I. Overview of Virtualization

Create and configure a virtual machine (Windows/Linux)

Automatic deployment of virtual machines

4. Manage Azure virtual machines

Manage virtual machine backups

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Phase 5: administrative identity (Identity)

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I. Overview of identity Management

2. Manage Azure Active Directory (AAD)

3. Manage Azure AD

IV. Implement and manage mixed identities

Distribute Azure content from a data center to Microsoft's global data center.

Globalization and popularization

If Microsoft services, will Azure web pages, software products.

If you want to access in Europe, you need to connect to the data center in China and use the interstate network.

The delay is relatively large, and the effect is not very good. The whole world is pressurized on a CVM.

If it is static, it is easy to distribute, and if it is dynamic, it is not easy to distribute.

Source (file sharing, website) End Point (Asian data center)

Edge Servers (edge servers are required for distribution, and there are edge servers in major cities around the world)

Point Of Presence (POP)

The first user who accesses the source will go to the source (End Point)

When other users access the source, they will look for Edge Servers and return it directly instead of looking for the source (End Point)

The user experience is better, and the source pressure is less.

Blue icon-Edge Servers (there is a unified domain name all over the world, not one domain name everywhere.)

Redirect users to the latest Edge Servers access.

There are four levels and three service providers provide services.

Through alias mapping, access, there will be a short interruption.

To avoid interruptions, you can use asverify.

First create a temporary alias

Create an asverify first.

Create a real domain name.

If your CDN is not online, you can use an alias directly.

If you go online, you can press all of the above so that it won't be interrupted.

If there is anything else you need to know, you can find our CDN technical engineer on the official website. CDN technical engineer has more than ten years of experience in the industry, so it will be more detailed and professional than the editor's answer. Official website link www.yisu.com

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