Free AZ-900: Microsoft Azure Fundamentals Questions and Answers 1 — Questions and Answers

Question 1: Which of the following benefits of cloud computing is its main advantage?

Increased hardware maintenance
Increased physical security
Reduced costs (Correct answer)
Increased data center footprint

Correct answer: Reduced costs

One of the main advantages of cloud computing is significant cost reduction. Businesses can avoid large upfront capital expenditures on hardware, infrastructure, and data centers, instead paying for resources on a consumption-based, pay-as-you-go model. This approach, combined with reduced maintenance and operational costs, makes cloud services a highly cost-effective solution.

Question 2: What Azure services are used to create, distribute, and maintain applications?

Azure Functions (Correct answer)
Azure ExpressRoute
Azure Cosmos DB
Azure Virtual Machines

Correct answer: Azure Functions

Azure Functions is a serverless compute service that allows developers to run small pieces of code (functions) without explicitly provisioning or managing infrastructure. It is ideal for creating, distributing, and maintaining event-driven applications, APIs, and microservices, as it automatically scales and handles underlying resources, enabling developers to focus solely on their application logic.

Question 3: What does the Azure service that offers identity and access management go by?

Azure Backup
Azure Active Directory (Correct answer)
Azure Virtual Network
Azure Site Recovery

Correct answer: Azure Active Directory

Azure Active Directory (Azure AD) is Microsoft's cloud-based identity and access management service. It provides a comprehensive solution for managing user identities, controlling access to cloud applications and resources, and enabling single sign-on (SSO) across various services. Azure AD is fundamental for securing access within the Azure ecosystem and beyond.

Question 4: Which of the following types of Azure storage is most suited for workloads involving big data analytics?

Azure File Storage
Azure Data Lake Storage (Correct answer)
Azure Blob Storage
Azure Queue Storage

Correct answer: Azure Data Lake Storage

Azure Data Lake Storage is specifically designed for big data analytics workloads, offering massively scalable and secure data lake capabilities. It can store petabytes of data of any type (structured, semi-structured, unstructured) and is optimized for high-throughput, low-latency access, making it ideal for analytical processing and machine learning scenarios.

Question 5: Which of the following is an Azure service that gives consumers the ability to encrypt and monitor their network traffic?

Azure Traffic Manager
Azure Content Delivery Network
Azure Firewall (Correct answer)
Azure Load Balancer

Correct answer: Azure Firewall

Azure Firewall is a managed, cloud-based network security service that protects Azure Virtual Network resources. It provides threat protection, allows users to centrally create, enforce, and log application and network connectivity policies, and can encrypt and monitor network traffic to enhance security across your Azure environment.

Question 6: Which advantage does using Azure virtual machines (VMs) primarily provide?

They allow users to scale up or down as needed. (Correct answer)
They provide automatic backups of data.
They offer increased physical security.
They require less maintenance than physical servers.

Correct answer: They allow users to scale up or down as needed.

A key advantage of Azure Virtual Machines (VMs) is their elasticity and scalability. Users can easily provision, de-provision, and resize VMs to scale compute resources up or down based on demand, paying only for what they use. This flexibility allows businesses to efficiently manage fluctuating workloads without the need for over-provisioning physical hardware.

Question 7: Which Azure service offers a fully managed, globally scalable NoSQL database?

Azure Database for PostgreSQL
Azure Database for MySQL
Azure Cosmos DB (Correct answer)
Azure SQL Database

Correct answer: Azure Cosmos DB

Azure Cosmos DB is Microsoft's globally distributed, multi-model database service. It offers a fully managed, highly available, and horizontally scalable NoSQL database solution, supporting various APIs like SQL, MongoDB, Cassandra, and Gremlin. This makes it suitable for modern applications requiring low-latency access and high throughput worldwide.

Question 8: Which Azure service offers an orchestration service for Kubernetes containers that is fully managed?

Azure Container Registry
Azure Container Instances
Azure Functions
Azure Kubernetes Service (AKS) (Correct answer)

Correct answer: Azure Kubernetes Service (AKS)

Azure Kubernetes Service (AKS) is a fully managed Kubernetes service that simplifies the deployment, management, and operations of Kubernetes container orchestration. AKS handles the complex tasks of managing the Kubernetes control plane, allowing users to focus on deploying and scaling their containerized applications without worrying about the underlying infrastructure.

Question 9: What Azure service allows for the management of virtual networks, subnets, and network security groups?

Azure Virtual Network (Correct answer)
Azure Load Balancer
Azure Firewall
Azure Traffic Manager

Correct answer: Azure Virtual Network

Azure Virtual Network (VNet) is the fundamental building block for your private network in Azure. It enables Azure resources, like VMs, to securely communicate with each other, the internet, and on-premises networks. VNet allows for the creation and management of virtual networks, subnets, IP addressing, and network security groups (NSGs) to control traffic flow and enhance security.

Question 10: What are the primary advantages of hosting web apps with Azure App Service?

Lower costs than other hosting options
More customization options than other hosting options
Automatic scaling (Correct answer)
Greater security than other hosting options

Correct answer: Automatic scaling

Azure App Service is a fully managed platform for building, deploying, and scaling web apps. One of its primary advantages is automatic scaling, which allows applications to dynamically adjust their resources (scale out or in) based on traffic load or predefined rules. This ensures optimal performance and cost efficiency without requiring manual intervention.

Question 11: A business has a network of servers that is located on its premises. All of the company's servers will be moved to Azure. John has been tasked with coming up with a strategy to guarantee that some of the servers are accessible in the event that one Azure data center experiences a prolonged outage. What is Peter supposed to do here?

Scalability
Fault Tolerance (Correct answer)
Low Latency
Elasticity

Correct answer: Fault Tolerance

Fault tolerance refers to the ability of a system to continue operating without interruption in the event of a failure of one or more of its components. To guarantee accessibility during a prolonged outage in one Azure data center, Peter needs to implement fault tolerance by distributing servers across multiple availability zones or regions, ensuring redundancy and continuous operation.

Question 12: Software as a Service (SaaS) implementation makes us accountable to _________.

Define scalability rules
Configure the SaaS Solution (Correct answer)
Configure high availability
Install the SaaS solution

Correct answer: Configure the SaaS Solution

In a Software as a Service (SaaS) model, the cloud provider manages all aspects of the infrastructure, platform, and the application itself. The customer's primary responsibility is to configure the SaaS solution to meet their specific business needs, including user management, settings, and data customization, rather than managing underlying technical components or infrastructure.

Question 13: A business does not need its own data center if it hosts its infrastructure in ________.

Public Cloud (Correct answer)
Hyper-V Cost
Private Cloud
Hybrid Cloud

Correct answer: Public Cloud

The public cloud model involves cloud services delivered over the public internet and shared among multiple customers. By hosting infrastructure in the public cloud, businesses leverage the provider's data centers and resources, eliminating the need to own, operate, and maintain their own on-premises data center infrastructure, thus reducing capital expenditure and operational overhead.

Question 14: What qualifies as a characteristic of the public cloud? (A) Dedicated hardware <br> (B) Unsecured connections <br> (C) Limited storage <br> (D) Metered pricing <br> (E) Self-service management

Only (B) and (C)
Only (D) and (E) (Correct answer)
Only (A) and (B)
Only (C) and (D)

Correct answer: Only (D) and (E)

Characteristics of the public cloud include metered pricing, where users pay only for the resources they consume, and self-service management, allowing users to provision and manage resources on demand without human intervention from the provider. Dedicated hardware is typically associated with private cloud, and public clouds offer vast, not limited, storage with secure connections.

Question 15: What actions should you take if you intend to move a public website to Azure?

Paying monthly usage cost (Correct answer)
Deploying a VPN
Reducing the number of connections on the website
Paying to transfer all the website data to Azure

Correct answer: Paying monthly usage cost

When moving a public website to Azure, the primary ongoing financial implication is paying for the resources consumed on a monthly usage basis. Azure operates on a pay-as-you-go model, where costs are incurred for compute, storage, bandwidth, and other services utilized by the website. This monthly usage cost is the main recurring expense for hosting in Azure.

Question 16: A company plans to move all of its resources and data to Azure. Only Platform as a Service (PaaS) solutions must be used in Azure, according to the migration plan specified. John has been asked to set up an Azure environment that complies with the migration plan's requirements. John proposes setting up Azure SQL databases and an Azure App Service. Does the proposed remedy satisfy the demand?

Elasticity (Correct answer)
High availability
Load balancing
High latency

Correct answer: Elasticity

Azure SQL databases and Azure App Service are both examples of Platform as a Service (PaaS) solutions. A key characteristic and benefit of PaaS offerings is elasticity, which means they can automatically scale resources up or down based on demand. This inherent ability to adapt to varying workloads without manual intervention directly satisfies the requirement for using PaaS solutions in the migration plan.

Free AZ-900: Microsoft Azure Fundamentals Questions and Answers 1

Which of the following benefits of cloud computing is its main advantage?