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Azure > Describe Core Azure Concepts > Flashcards

Describe Core Azure Concepts Flashcards

1
Q

What are the commonly used categories on Azure?

A

Compute, Networking, Storage, Mobile, Databases, Web, IoT, Big Data, AI, DevOps

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2
Q

Compute - What are Azure Virtual Machines?

A

Windows or Linux virtual machines (VMs) hosted in Azure.

Software emulations of physical computers. They include a virtual processor, memory, storage, and networking resources.

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3
Q

Compute - What is a Azure Virtual Machine Scale Set?

A

Is an azure compute resource that you can use to deploy and manage a set of identical VMs.

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4
Q

Compute - What is Azure Kubernetes Service

A

Cluster management for VMs that run containerized services.

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5
Q

Compute - What is Azure Service Fabric?

A

Azure Service Fabric is a distributed systems platform that makes it easy to package, deploy, and manage scalable and reliable microservices and containers.

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6
Q

Compute - What is Azure Batch?

A

Azure Batch creates and manages a pool of virtual machines installs the applications you want to run, and schedules jobs to run on the VMs

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7
Q

Compute - What are Azure Container Instances?

A

Containerized apps that run on Azure without provisioning servers or VMs

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8
Q

Compute - What are Azure Functions?

A

An event-driven serverless compute service.

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9
Q

Networking - What is Azure Virtual Network?

A

Connects VMs to incoming virtual private network VPN connections.

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10
Q

Networking - What is Azure Load Balancer?

A

Balances inbound and outbound connections to applications or service endpoints.

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11
Q

Networking - What is Azure Application Gateway?

A

Azure Application Gateway is a web traffic load balancer that enables you to manage traffic to your web applications

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12
Q

Networking - What is Azure VPN Gateway?

A

Azure VPN Gateway connects your on-premises networks to Azure through Site-to-Site VPNs in a similar way that you set up and connect to a remote branch office.

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13
Q

Networking - What is Azure DNS?

A

Azure DNS is a hosting service for DNS domains that provides name resolution by using Microsoft Azure infrastructure.

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14
Q

Networking - What is Azure Content Delivery Network?

A

Delivers high-bandwidth content to customers globally.

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15
Q

Networking - What is Azure DDoS Protection?

A

Protects Azure-hosted applications from distributed denial of service (DDOS) attacks.

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16
Q

Networking - What is Azure Traffic Manager?

A

Azure Traffic Manager is a DNS-based traffic load balancer. This service allows you to distribute traffic to your public facing applications across the global Azure regions.

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17
Q

Networking - What is Azure ExpressRoute?

A

ExpressRoute is a service that enables you to create private connections between Azure datacenters and infrastructure that’s on your premises or in a colocation environment.

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18
Q

Networking - What is Azure Network Watcher?

A

Network Watcher is a regional service that you can use to monitor and diagnose conditions at a network scenario level in, to, and from Azure.

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19
Q

Networking - What is Azure Firewall?

A

Implements high-security, high availability firewall with unlimited scalability.

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20
Q

Networking - What is Azure Virtual WAN

A

Creates a unified wide area network that connects local and remote sites.

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21
Q

Storage - What is Azure Blob storage?

A

Storage service for very large objects, such as video files or bitmaps.

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22
Q

Storage - What is Azure Queue storage?

A

A data store for queuing and reliably delivering messages between applications.

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23
Q

Storage - What is Azure Queue storage?

A

A data store for queuing and reliably delivering messages between applications.

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24
Q

Storage - What is Azure table storage?

A

Table storage is a service that stores non-relational structured data (also known as structured NoSQL data) in the cloud, providing a key/attribute store with a schemaless design.

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25
Q

Storage, Networking and Compute services in Azure all share what common characteristics?

A

Durable and highly available with redundancy and replication.
Secure through automatic encryption and role-based access control.
Scalable with virtually unlimited storage.
Managed, handling maintenance and any critical problems for you.
Accessible from anywhere in the world over HTTP or HTTPS.

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26
Q

Mobile - What are some some features of this Azure service?

A 
Features that used to take time and increase project risks, such as adding corporate sign-in and then connecting to on premises resources such as SAP, Oracle, SQL server, and SharePoint are simple to include.
Offline data synchronization
Connectivity to on-premises data
Broadcasting push notifications.
Autoscaling to match business needs.
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27
Q

Databases- What is Azure Cosmos DB?

A

Globally distributed database that supports NoSQL options.

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28
Q

Databases - What is Azure SQL Database?

A

Fully managed relational database with auto-scale, integral intelligence, and robust security.

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29
Q

Databases- What is Azure Database for MySQL?

A

Fully managed and scalable MySQL relational database with high availability and security.

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30
Q

Databases - What is Azure Database for PostgreSQL?

A

Fully managed and scalable PostgreSQL relational database with high availability and security.

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31
Q

Databases - What is Azure Database Migration Service?

A

Service that migrates databases to the cloud with no application code changes.

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32
Q

Databases - What is Azure Cache for Redis?

A

Fully managed service caches frequently used and static data to reduce data and application latency

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33
Q

Databases - What is Azure Database for MariaDB?

A

Fully managed and scalable MariaDB relational database with high availability and security.

34
Q

Web - What is Azure App Service?

A

Quickly create powerful cloud web-based apps.

35
Q

Web - What is Azure Notification Hubs?

A

Send push notifications to any platform from any back end.

36
Q

Web - What is Azure API Management?

A

Publish APIs to developers, partners, and employees securely and at scale.

37
Q

Web - What is Azure Cognitive Search?

A

Deploy this full managed search as a service.

38
Q

Web - What is Web Apps feature of Azure App Service?

A

Create and deploy mission-critical web apps at scale.

39
Q

IoT - What is IoT Central?

A

Full managed global IoT software as a service (SaaS) solution that makes it easy to connect, monitor, and manage IoT assets at scale.

40
Q

IoT - What is Azure IoT Hub?

A

Messaging hub that provides secure communications between and monitoring of million of IoT devices.

41
Q

IoT - What is IoT Edge?

A

Fully managed service that allows data analysis models to be pushed directly onto IoT devices, which allows them to react quickly to state changes without needing to consult cloud-based AI models.

42
Q

Big Data - What is Azure Synapse Analytics?

A

Run analytics at a massive scale by using a cloud-based enterprise data warehouse that takes advantage of massively parallel processing to run complex queries quickly across petabytes of data.

43
Q

Big Data - What is Azure HDInsight?

A

Process massive amounts of data with managed clusters of Hadoop clusters in the cloud.

44
Q

Big Data- What is Azure Databricks?

A

Integrate this collaborative Apache Spark-based analytics service with other big data services in Azure.

45
Q

AI - What is Azure Machine Learning Service?

A

Cloud-based environment you can use to develop, train, test, deploy, manage, and track machine learning models. It can auto-generate a model and auto-tune it for you. It will let you start training on your local machine and then scale out to the cloud.

46
Q

AI - What is Azure ML Studio?

A

Collaborative visual workspace where you can build, test and deploy machine learning solutions by using prebuilt machine learning algorithms and data-handling modules.

47
Q

Cognitive - What is Vision?

A

Use image-processing algorithms to smartly identify, caption, index, and moderate your pictures and videos.

48
Q

Cognitive - What is Speech?

A

Convert spoken audio into text, use voice for verification, or add speaker recognition to your app?

49
Q

Cognitive - What is Natural Language Processing?

A

Allow your apps to process natural language with prebuilt scripts, evaluate sentiment, and learn how to recognize what users want.

50
Q

DevOps - What is Azure DevOps?

A

Use development collaboration tools such as high-performance pipelines, free private Git repositories, configurable Kanban boards, and extensive automated and cloud-based load testing. Formerly known as Visual Studio Team Services.

51
Q

DevOps - What is Azure DevTest Labs?

A

Quickly create on-demand Windows and Linux environments to test or demo applications directly from deployment pipelines.

52
Q

What does an Azure free account come with?

A

Free access to popular Azure product for 12 months
A credit to spend for the first 30 days
Access to more than 25 products that are always free

53
Q

What does the Azure free student account come with?

A

Free access to certain Azure services for 12 months.
A credit to use in the first 12 months
Free access to certain software developer tools

54
Q

Do you need to purchase an Azure account before you can use any Azure resources?

A

False - You can use a free Azure account or a Microsoft Learn sandbox to create resources.

55
Q

What is cloud computing?

A

Cloud computing is the delivery of computing services over the internet, which is otherwise known as the cloud.

56
Q

Identify the benefits of cloud computing, such as High Availability, Scalability, Elasticity, Agility, and Disaster Recovery

A

High Availability - Depending on the service-level agreement (SLA) that you choose, your cloud-based apps can provide a continuous user experience with no apparent downtime, even when things go wrong.

Scalability - Apps in the cloud can scale vertically or horizontally

Elasticity - You can configure cloud-based apps to take advantage of Autoscaling, so your apps always have the resources they need.

Agility - Deploy and configure cloud-based resources quickly as your app requirements change.

Disaster recovery - By taking advantage of cloud-based backup services, data replication, and geo-distribution you can deploy your apps with confidence that comes from knowing that your data is safe in the even of disaster.

57
Q

What is Azure Portal?

A

The Azure portal is a web-based, unified console that provides an alternative to command-line tools. You can

  • –Build, manage, and monitor everything from simple web, apps, to complex cloud deployments.
  • –Create custom dashboards for an organized view of resources.
  • –Configure accessibility options for an optimal experience.
58
Q

What is Azure Marketplace?

A

Azure Marketplace helps connect users with Microsoft partners, independent software vendors, and startups that are offering their solutions and services.

59
Q

What is a public cloud?

A

Services are offered over the public internet and available to anyone who wants to purchase them. Cloud resources such as servers and storage, are owned and operated by a third-party cloud service provider, and delivered over the internet.

No capital expenditures to scale up
Applications can be quickly provisioned and deprovisioned
Organizations pay only for what they use

60
Q

What is Private Cloud?

A

A private cloud consists of computing resources used exclusively by users from one business or organization. A private cloud can be physically located at your organization’s on-site ( on-premises) datacenter, or it can be hosted by a third-party service provider.

Hardware must be purchased for start-up and maintenance.
Organizations have complete control over resources and security.
Organizations are responsible for hardware maintenance and updates.

61
Q

What is a hybrid cloud?

A

A hybrid cloud is a computing environment that combines a public cloud and a private cloud by allowing data and applications to be shared between them.

Provides the most flexibility
Organizations determine where to run their applications
Organizations control security, compliance, or legal requirements.

62
Q

What is Capital Expenses?

A

Capital expenditure is the up-front spending of money on physical infrastructure and then deducting that up-front expense over time. This up-front cost from CapEx has a value that reduces over time.

63
Q

What is Operational Expenditure?

A

Is spending money on services or products now, and being billed for them now. You can deduct this expense in the same year you spend it. There are no up-front cost, as you pay for a service or product as you use it.

64
Q

What is IaaS?

A

Infrastructure-as-a-Service - This cloud service model is the closest to managing physical servers; a cloud provider will keep the hardware up-to-date, but operating system maintenance and network configuration is up to you as the cloud tenant. For example, Azure virtual compute devices running in Microsoft datacenters. An advantage of this cloud service model is rapid deployment of new compute devices. Setting up a new virtual machine is considerably faster than procuring, installing and configuring a physical server.

65
Q

What is PaaS?

A

Platform-as-a-Service - This cloud service model is a managed hosting environment. The cloud provider manages the virtual machines and networking resources, and the cloud tenant deploys their applications into the managed hosting environment. For example, Azure App services provides a managed hosting environment where developers can upload their web applications without having to worry about the physical hardware and software requirements.

66
Q

What is SaaS?

A

Software-as-a-Service - In this cloud service model, the cloud provider manages all aspects of application environment, such as virtual machines, and applications. The cloud tenant only needs to provide their data to the application managed by the cloud provider. For example Microsoft Office 365 provides a fully working version of Microsoft Office that runs in the cloud. All you need to do is create your content, and Office 365 takes care of everything else.

67
Q

What is serverless computing?

A

Like PaaS, serverless computing enables developers to build applications faster by eliminating the need for them to manage infrastructure. With serverless applications, the cloud service provider automatically provisions, scales, and manages the infrastructure required to run the code.

68
Q

What is the top-down hierarchy of organizations in Azure?

A

Management Groups
Subscriptions
Resource Groups
Resources

69
Q

What is a resource?

A

Resources are instances of services that you create, like virtual machines, storage, or SQL databases.

A manageable item that’s available through Azure. Virtual Machines (VMs), storage accounts, web apps, databases, and virtual networks are example of resources.

70
Q

What is a resource group?

A

Resources are combined into resource groups, which act as a logical container into which Azure resources like web apps, databases, and storage accounts are deployed and managed.

A container that holds related resources for an Azure solution. The resource group includes resources that you want to manage as a group. You decide which resources belong in a resource group based on what makes the most sense for your organization.

71
Q

What is a subscription?

A

Subscription groups together user accounts and the resources that have been created by those user accounts. For each subscription, there are limits or quotas on the amount of resources that you can create and use. Organizations can use subscriptions to manage costs and the resources that are created by users, teams or projects

72
Q

What are management groups?

A

These groups help you manage access, policy, and compliance for multiple subscriptions. All subscriptions in a management group automatically inherit the conditions applied to the management group.

73
Q

What are Azure Regions?

A

A region is a geographical area on the planet that contains at least one but potentially multiple datacenters that are nearby and networked together with a low-latency network. Azure intelligently assigns and controls the resources within each region to ensure workloads are appropriately balanced.

74
Q

What are logical groupings for Resource Groups?

A

Life cycle - if you delete a resource group, all resources contained within it are also deleted.
Authorization - resource groups are also a scope for applying role-based control permissions.

75
Q

What is the Azure Resource Manager?

A

Azure Resource Manager is the deployment and management service for Azure. It provides a management layer that enables you to create, update, and delete resources in your Azure account. You use management features like access control, locks, and tags to secure and organize your resource after deployment.

76
Q

What are the benefits of using Resource manager?

A
  • –Mange your infrastructure through declarative templates rather than scripts.
  • –Deploy, manage, and monitor all the resources for your solution as a group, rather than handling these resources individually.
  • –Redeploy your solution throughout the development life cycle and have confidence your resources are deployed in a consistent state.
  • –Define the dependencies between resources so they’re deployed in the correct order.
  • –Apply access control to all services because RBAC is natively integrated into the management platform.
  • –Apply tags to resources to logically organize all the resources in your subscription.
  • –Clarify your organization’s billing by viewing costs for a group of resources that share the same tag.
77
Q

What are common use cases for additional Azure subscriptions?

A

Environments - You can choose to create subscriptions to set up separate environments for development, testing and security or to isolate for compliance reasons.
Organizational structures - For different types of structures. To limit a team with lower-cost resources versus an IT department with full range.
Billing - For billing purposes since they are aggregated first at the subscription level.
Subscription limits- subscriptions are bound to some hard limitations. Number of Azure ExpressRoute circuits per subscription is 10.
Organize subscriptions into invoice sections.

78
Q

Describe the use case for an Azure management group?

A

If your organization has many subscriptions you can efficiently manage access, policies, and compliance for those subscriptions.
All subscriptions within a management group automatically inherit the conditions applied to the management group.
All subscriptions within a single management group must trust the same Azure AD tenant.

79
Q

What Architectural component can be used to manage governance across multiple Azure subscriptions?

A

Management groups. Management groups facilitate the hierarchical ordering of Azure resources into collections, at a level scope above subscriptions. Distinct governance conditions can be applied to each management group, along with Azure Policy and Azure role-based access controls, to manage Azure subscriptions effectively. The resources and subscriptions assigned to a management group automatically inherit the conditions applied to the management group.

80
Q

Which architectural component is a logical unit of Azure services that links to an azure account?

A

Azure subscription is a logical unit of Azure services that links to an Azure account. An Azure subscription is an object that represents a container that you can put resources in. Subscriptions are tied to tenants, so one tenant can have many subscriptions but not vice versa.

81
Q

Can resource groups be nested?

A

No

Azure (7 decks)

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