7 Computação e Rede - Parte 1

Summary

This video tutorial delves into key topics of the AZ-900 Microsoft certification, specifically focusing on cloud computing services within Microsoft Azure. It covers types of computing, such as virtual machines and containers, alongside the importance of virtual desktop infrastructure (VDI), which became crucial during the pandemic. The speaker emphasizes the flexibility and efficiency of Azure services, such as scaling resources, managing virtual machines, and balancing loads for high availability. The content also highlights the shared responsibility model in cloud services and the advantages of remote work solutions, particularly in hybrid and fully remote work environments.

Takeaways

• 😀 Azure offers a variety of computing services beyond just virtual machines, including container instances, applications, and virtual desktops.
• 😀 Microsoft Azure enables the creation of virtual machines (VMs) that can run either Windows or Linux, with full control over the system's software but not the hardware.
• 😀 Azure's virtual machines offer significant flexibility, allowing users to install, configure, and remove applications, as well as manage system settings.
• 😀 The concept of 'responsibility sharing' in Azure means that users are responsible for managing the software and configurations, while Microsoft maintains the physical infrastructure.
• 😀 Azure provides scalable resources through features like VM scaling and load balancing, ensuring efficient resource management and redundancy.
• 😀 Virtual machine scale sets in Azure allow for automatic scaling of VMs based on demand, improving performance and availability for large-scale applications.
• 😀 Virtual desktops, such as those provided by Azure's Virtual Desktop service, became highly popular during the pandemic for remote work, offering a flexible alternative to physical computers.
• 😀 A key advantage of using virtual desktops is the reduction in hardware-related problems, as users can access their company's resources remotely without needing a physical computer.
• 😀 Azure's computing services are designed for different types of professionals, making the AZ-900 certification a broad introduction to cloud computing and Microsoft Azure tools.
• 😀 Although the AZ-900 certification may not require deep technical details on configurations, it ensures that individuals understand the purpose and use of various Azure services, preparing them for further certifications.

Q & A

What are the main topics covered in this module?

This module covers three main topics: types of computing, hosting applications, and virtual networks.

What types of computing are discussed in the module?

The module discusses various types of computing, including container instances, virtual machines, and functions.

What are the key differences between virtual machines (VMs) and other computing services?

Virtual machines (VMs) provide total control over the software and operating system, allowing users to install, update, and configure applications. However, users do not have control over the hardware, which remains the responsibility of the service provider.

How does the concept of 'responsibility shared' apply to virtual machines in the context of Microsoft Azure?

In the 'responsibility shared' model, Microsoft is responsible for maintaining the physical infrastructure, while the user is responsible for managing, configuring, and securing the virtual machines and software running on them.

What is the purpose of a 'set of availability' in relation to virtual machines?

A set of availability allows for redundancy and load balancing between virtual machines, ensuring that if one machine fails, another can take over without affecting the service.

What is the role of a load balancer in a set of availability?

A load balancer helps distribute incoming traffic evenly across virtual machines, preventing overloading on any single machine and ensuring high availability and performance.

How do virtual machines in Azure differ in terms of operating systems?

Virtual machines in Azure can run either Windows or Linux operating systems, giving users the flexibility to choose the platform that best suits their needs.

What is the significance of virtual desktops during the pandemic?

Virtual desktops became crucial during the pandemic by allowing employees to access company systems remotely without needing physical hardware, enabling remote work and reducing the need for distributing physical devices.

What does it mean for a virtual machine to have total control over the operating system?

Having total control means that users can install and configure software, customize settings, and make any changes to the virtual machine’s operating system, similar to how they would manage a physical machine.

What are the benefits of using virtual machines over physical hardware in an enterprise environment?

Using virtual machines offers benefits like cost savings (since there is no need for physical hardware), easy scalability, and flexibility in managing resources like storage, memory, and processing power.