AZ-900 Microsoft Azure Fundamentals (Q&A Series - 2023)

N/A VIDEO: AZ-900: Real Exam Question & Answer | 2023 Series CONTENTS: • Part 1: Introduction • Part 2: Question 1-20 • Part 3: Question 21-40 • Part 4: Question 41-60 • Part 5: Question 61-80 • Part 6: Question 81-105 • Part 7: Question 106-125 • Part 8: Question 126-145 • Part 9: Question 146-165 • Part 10: Question 166-185 • Part 11: Question 186-205 • Part 12: Question 206-225 • Part 13: Question 226-245 PART 1: Introduction INTRODUCTION ANSWER: • Hybrid Cloud = Private Cloud + Public Cloud NOTE: Private cloud is where the computing services are offered to users over the Internet or a private internal network. Public cloud are owned operated by a third-party cloud service providers like Azure, AWS or GCP. A hybrid cloud, as the name suggests, is a combinations of public cloud and private cloud. A hybrid cloud typically extends a connection from an on-premises data center to a public cloud. PART 2: Question 1-20 QUESTION 1: (1:45) Which of the following is a correct statement? a) Private Cloud = Public Cloud + Hybrid Cloud b) Public Cloud = Hybrid Cloud + Private Cloud c) Hybrid Cloud = Private Cloud + Public Cloud ANSWER: • Economies of scale NOTE: Economies of scale is the ability to do things more cheaply and more efficiently when operation at a larger scale in comparison to operating at a smaller scale. PART 2: Question 1-20 QUESTION 2: (5:55) Which of the following describes a benefit of cloud services? a) Economies of scale b) Fixed workloads c) Unpredictable costs ANSWER: • Configuring the SaaS solution PART 2: Question 1-20 QUESTION 3: (7:05) When you implement a SaaS (Software as a Service) solution, you are responsible for? a) Installing patches on Operating Systems b) Configure High Availability c) Configuring the SaaS solution d) Install SaaS solution ANSWER: • Capital expenditure NOTE: Capital Expenditure (CapEx) - CapEx (Capital expenditures) is the spending of money on physical infrastructure upfront and then deducting that expense from your tax bill over time. - CapEx is an upfront cost, which has a value that reduces over time and usually has no recurring cost. - Capital expenditures (CapEx) are major purchases a company make that are designed to be used over the long term. - Examples of CapEx include physical assets, such as buildings, equipment, machinery, and vehicles. - Deploying your own data center and Azure Reserved VM Instances are a few examples of the CapEx pricing model. Operating Expenditure (OpEx). - OpEx (Operating Expenditures) is spending money on services or products now and being billed for them now. You can deduct this expense from your tax bill in the same year. - There's no upfront cost but has a recurring cost. - Operating Expenses (OpEx) are the day-to-day expenses a company incurs to keep its business operational. - Examples of OpEx include em ployee salaries, rent, utilities, property taxes, and cost of goods sold (COGS). - Azure virtual machines is an example of the OpEx pricing model. PART 2: Question 1-20 QUESTION 4: (9:35) Which of the following refers to spending money upfront and then deducting that expense over time? a) Capital Expenditure b) Operational Expenditure c) Supply and Demand ANSWER: • The move reduces Capital Expenditures. (CapEx) PART 2: Question 1-20 QUESTION 5: (12:35) From the choices below, what is one of the advantages of moving your infrastructure to Azure? a) The move reduces Capital Expenditures. (CapEx) b) The move reduces Operational Expenditures (OpEx) c) The move allows for complete control of infrastructure resources. ANSWER: • Capital Expenditure (CapEx) PART 2: Question 1-20 QUESTION 6: (13:15) Datacenter infrastructure, Server cost, storage cost, network cost, backup & archive cost, business continuity and disaster recovery cost, technical personal cost are example of which type? a) Capital Expenditure (CapEx) b) Operational Expenditure (OpEx) ANSWER: • True PART 2: Question 1-20 QUESTION 7: (13:45) Capital Expenditure is the up-front spending of money on physical infrastructure, and then deducting that up-front expense over time. [True] [False] ANSWER: • True PART 2: Question 1-20 QUESTION 8: (13:55) Operational Expenditure is spending money on services or products now and being billed for the now. [True] [False] ANSWER: • True PART 2: Question 1-20 QUESTION 9: (14:15) Azure Reserved VM Instance are examples of the CapEx pricing model. [True] [False] ANSWER: • High availability NOTE: - Agility: Cloud agility is the ability to quickly develop, test, and launch applications in a cloud-based environment. - Fault tolerance: It is the ability of a system to continue to function in the event of a failure of some of its components. - High availability: It means to keep services up and running for long periods of time, with little downtime, depending on the service in question. PART 2: Question 1-20 QUESTION 10: (14:25) Which of the following terms refer to making a service available with no downtime for an extended period of time? a) Agility b) Fault tolerance c) High availability ANSWER: • Private Cloud NOTE: All services and infrastructure are owned by single company or enterprise. PART 2: Question 1-20 QUESTION 11: (14:55) Which cloud model provides the greatest degree of ownership and control? a) Hybrid Cloud b) Private Cloud c) Public Cloud ANSWER: • Hybrid Cloud PART 2: Question 1-20 QUESTION 12: (15:55) Which cloud model provides the greatest degree of flexibility? a) Hybrid Cloud b) Private Cloud c) Public Cloud ANSWER: • Provides resources and services to multiple organizations and users, who connect through a secure network connection. PART 2: Question 1-20 QUESTION 13: (16:45) Which of the following describes a public cloud? a) Is owned and operated by the organization that uses the resources from that cloud. b) Let organizations run applications in the cloud or on-premises c) Provides resources and services to multiple organizations and users, who connect through a secure network connection. ANSWER: Corrected • Hybrid Cloud NOTE: Hybrid cloud. A hybrid cloud is a public and private cloud combined. You can run your newer applications on commodity hardware you rent from the public cloud and maintain your specialized mainframe hardware on-premises. PART 2: Question 1-20 QUESTION 14: (17:25) You have legacy applications that require specialized mainframe hardware, and you have newer shared applications. Which cloud deployment model would be best for you? a) Hybrid Cloud b) Private Cloud c) Public Cloud ANSWER: • Software as a Service (SaaS) PART 2: Question 1-20 QUESTION 15: (18:05) Microsoft Office 365 is an example of? a) Infrastructure as a Service (IaaS) b) Platform as a Service (PaaS) c) Software as a Service (SaaS) ANSWER: • Users create and deploy applications quickly without to worry about managing the underlying infrastructure. PART 2: Question 1-20 QUESTION 16: (18:25) Which of the following describes Platform as a Service (PaaS)? a) Users are responsible for purchasing, installing, configuring, and managing their own software (operating systems, middleware, and applications). b) Users create and deploy applications quickly without to worry about managing the underlying infrastructure. c) Users pay an annual or monthly subscription. ANSWER: • Infrastructure as a Service (IaaS) PART 2: Question 1-20 QUESTION 17: (19:05) Which of the following requires the most user management of the cloud services? a) Infrastructure as a Service (IaaS) b) Platform as a Service (PaaS) c) Software as a Service (SaaS) ANSWER: • Platform as a Service (PaaS) PART 2: Question 1-20 QUESTION 18: (19:25) You're developing an application and want to focus on building, testing, deploying. You don't want to worry about managing the underlying hardware or software. Which cloud service type is best for you? a) Infrastructure as a Service (IaaS) b) Platform as a Service (PaaS) c) Software as a Service (SaaS) ANSWER: • Public Cloud PART 2: Question 1-20 QUESTION 19: (20:05) In which type of cloud model are all the hardware resources owned by a third-party and shared between multiple tenants? a) Hybrid Cloud b) Private Cloud c) Public Cloud ANSWER: • Shared responsibility model PART 2: Question 1-20 QUESTION 20: (20:35) You are running a VM in Azure Cloud. Which model reflects how the resource is managed. a) User responsibility model b) Azure responsibility model c) Shared responsibility model ANSWER: • No NOTE: With Azure CLI, you don't execute PowerShell script PART 3: QUESTIONS 21-40 QUESTION 21: (2:15) An Azure administrator plans to run a PowerShell script that creates Azure resources. You need to recommend which computer configuration to use to run the script. SOLUTION: Run the script from a computer that runs Linux and has the Azure CLI tools installed. Does this meet the goal? [Yes] [No] ANSWER: • Yes NOTE: From a browser, you can connect to Azure Portal and execute Azure PowerShell cmdlet. PART 3: QUESTIONS 21-40 QUESTION 22: (3:05) An Azure administrator plans to run a PowerShell script that creates Azure resources. You need to recommend which computer configuration to use to run the script. SOLUTION: Run the script from a computer that runs Chrome OS and uses Azure Cloud Shell. Does this meet the goal? [Yes] [No] ANSWER: • No NOTE: You need Azure PowerShell Module, PowerShell core 6.0 only isn't enough. PART 3: QUESTIONS 21-40 QUESTION 23: (3:25) An Azure administrator plans to run a PowerShell script that creates Azure resources. You need to recommend which computer configuration to use to run the script. SOLUTION: Run the script from a computer that runs macOS and has PowerShell Core 6.0 installed. Does this meet the goal? [Yes] [No] ANSWER: • Yes NOTE: Azure Cloud Shell can be used for Bash or PowerShell, either Android Phone or Laptop. PART 3: QUESTIONS 21-40 QUESTION 24: (3:35) An Azure administrator plans to run a PowerShell script that creates Azure resources. You need to recommend which computer configuration to use to run the script. SOLUTION: You use Bash in Azure Cloud Shell. Does this meet the goal? [Yes] [No] ANSWER: • Yes NOTE: You have PowerShell and the module to create Azure resources. PART 3: QUESTIONS 21-40 QUESTION 25: (3:45) An Azure administrator plans to run a PowerShell script that creates Azure resources. You need to recommend which computer configuration to use to run the script. SOLUTION: You use a computer that runs Windows 10 and has the Azure PowerShell module installed. Does this meet the goal? [Yes] [No] ANSWER: • elasticity PART 3: QUESTIONS 21-40 QUESTION 26: (9:45) Your company hosts an accounting application named App1 that is used by all the customers of the company. App1 has low usage during the first three weeks of each month and very high usage during the last week of each month. Which benefit of Azure Cloud Services supports cost management for this type of usage pattern? a) high availability b) high latency c) elasticity d) load balancing ANSWER: • a network security group (NSG) NOTE: - NSG: You can use an Azure network security group to filter network traffic between Azure resources in an Azure virtual network. - Azure AD: Azure Active Directory (Azure AD) is a cloud-based identity and access management service. This service helps your employees access external resources, such as Microsoft 365, the Azure portal, and thousands of their SaaS applications. - Azure Network gateway: Azure VPN Gateway connects you 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. PART 3: QUESTIONS 21-40 QUESTION 27: (10:45) You plan to deploy several Azure virtual machines. You need to control the ports that devices on the Internet can use to access the virtual machines. What should you use? a) a network security group (NSG) b) an Azure Active Directory (Azure AD) c) Network gateway d) an Azure key vault ANSWER: • Yes NOTE: Use NSG to filter network traffic between Azure resources in an Azure virtual network. A network security group contains security rules that allow or deny inbound network traffic to, or outbound network traffic from, several types of Azure resources. PART 3: QUESTIONS 21-40 QUESTION 28: (13:55) Your Azure environment contains multiple Azure virtual machines. You need to ensure that a virtual machine named VM1 is accessible from the Internet over HTTP. SOLUTION: You modify a network security group (NSG). Does this meet the goal? [Yes] [No] ANSWER: • No NOTE: DDoS is a form of attack on a network resource. DDoS protection plan is to protect against DDoS attacks. It has nothing to do with accessibility of virtual machine over HTTP. PART 3: QUESTIONS 21-40 QUESTION 29: (14:25) Your Azure environment contains multiple Azure virtual machines. You need to ensure that a virtual machine named VM1 is accessible from the Internet over HTTP. SOLUTION: You modify a DDoS protection plan. Does this meet the goal? [Yes] [No] ANSWER: • No NOTE: Azure Firewall is a cloud-native and intelligent network firewall security service that provides the best breed threat protection for your cloud workloads running in Azure. PART 3: QUESTIONS 21-40 QUESTION 30: (14:35) Your Azure environment contains multiple Azure virtual machines. You need to ensure that a virtual machine named VM1 is accessible from the Internet over HTTP. SOLUTION: You modify an Azure firewall. Does this meet the goal? [Yes] [No] ANSWER: • No NOTE: Azure Traffic Manager is a DNS-based load balancing solution. PART 3: QUESTIONS 21-40 QUESTION 31: (14:45) Your Azure environment contains multiple Azure virtual machines. You need to ensure that a virtual machine named VM1 is accessible from the Internet over HTTP. SOLUTION: You modify an Azure Traffic Manager profile. Does this meet the goal? [Yes] [No] ANSWER: • in the public cloud NOTE: A private cloud is hosted in your datacenter. Therefore, you cannot close your datacenter if you are using a private cloud. A public cloud is hosted externally, for example, in Microsoft Azure, an organization that hosts its infrastructure in a public cloud can close its data center. PART 3: QUESTIONS 21-40 QUESTION 32: (16:45) An organization that hosts its infrastructure in a private cloud can close its data center. INSTRUCTIONS: Review the underlined text. If it makes the statement correct, select "No change is needed". If the statement is incorrect, select the answer that makes the statement correct. a) No change is needed b) in a public cloud c) in the public cloud d) on a Hyper-V host ANSWER: • metered pricing • self-service management NOTE: Resources in Azure can be created using Azure Portal, JSON, Cloud Shell, PowerShell, or Bash PART 3: QUESTIONS 21-40 QUESTION 33: (18:15) What are two characteristics of the public cloud? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point. a) dedicated hardware b) unsecured connections c) limited storage d) metered pricing e) self-service management ANSWER: • False PART 3: QUESTIONS 21-40 QUESTION 34: (19:45) You can create Group Policies in Azure Active Directory (Azure AD) [True] [False] ANSWER: • True PART 3: QUESTIONS 21-40 QUESTION 35: (21:05) You can join Windows 10 devices to Azure Active Directory (Azure AD). [True] [False] ANSWER: • False PART 3: QUESTIONS 21-40 QUESTION 36: (21:35) You can join Android devices to Azure Active Directory (Azure AD). [True] [False] ANSWER: • Yes PART 3: QUESTIONS 21-40 QUESTION 37: (21:55) You company plans to migrate all its data and resources to Azure. The company's migration plan states that only Platform as a Service (PaaS) solutions must be in Azure. You need to deploy an Azure environment that meets the company migration plan. SOLUTION: You create an Azure App Service and Azure SQL databases. Does this meet the goal? [Yes] [No] ANSWER: • No PART 3: QUESTIONS 21-40 QUESTION 38: (22:45) You company plans to migrate all its data and resources to Azure. The company's migration plan states that only Platform as a Service (PaaS) solutions must be in Azure. You need to deploy an Azure environment that meets the company migration plan. SOLUTION: You create an Azure App Service and Azure virtual machines that have Microsoft SQL Server installed. Does this meet the goal? [Yes] [No] ANSWER: • No PART 3: QUESTIONS 21-40 QUESTION 39: (23:15) You company plans to migrate all its data and resources to Azure. The company's migration plan states that only Platform as a Service (PaaS) solutions must be in Azure. You need to deploy an Azure environment that meets the company migration plan. SOLUTION: You create an Azure App Service and Azure Storage accounts. Does this meet the goal? [Yes] [No] ANSWER: • An Azure App Service and Azure SQL databases. PART 3: QUESTIONS 21-40 QUESTION 40: (23:55) You company plans to migrate all its data and resources to Azure. The company's migration plan states that only Platform as a Service (PaaS) solutions must be in Azure. You need to deploy an Azure environment that meets the company migration plan. What should you create? a) An Azure Virtual Machine, Azure SQL databases, and Azure Storage accounts b) An Azure App Service and Azure Virtual Machines that Microsoft SQL Server installed. c) An Azure App Service and Azure SQL databases. d) An Azure storage accounts and web server in Azure Virtual Machines. ANSWER: • True PART 4: QUESTIONS 41-60 QUESTION 41: (2:15) Is Azure Active Directory Domain Services part of Microsoft Entra? [True] [False] ANSWER: • False PART 4: QUESTIONS 41-60 QUESTION 42: (2:35) You can create multiple managed domains for a single Azure AD directory. [True] [False]