AZ-900: Microsoft Azure Fundamentals Exam Prep - Jan 2021
How many minutes per month of downtime is 99.99% availability?
4 Minutes
What benefit does a Content Delivery Network (CDN) provide its users?
Allows you to reduce the traffic coming into a web server for static, unchanging files such as images, videos and PDFs
What does Azure Advisor do?
Analyzes your account usage and makes recommendations for you based on its set rules
What are the two features that Azure AD provides? Choose two.
Application management and Authentication
An IT administrator has the requirement to control access to a specific app resource using multi-factor authentication. What Azure service satisfies this requirement?
Azure AD
What enables Single Sign-On?
Azure AD
What is Microsoft's preferred solution for identity management in the cloud for application users?
Azure Active Directory
Which Azure AD licenses (select two) are made available through Azure?
Azure Active Directory Free and "Pay as you go"
What is Azure's preferred Identity(IaaS)/authentication service?
Azure Active Directory(Azure AD)
What feature within Azure will make recommendations to you about reducing cost on your account?
Azure Advisor
What two types of DDoS protection services does Azure provide? Select two.
Basic and Standard
Which Azure Service contains pre-built machine learning models that you can use in your own code, using an API?
Cognitive Services
Which tool within Azure helps you to track your compliance with various international standards and government laws?
Compliance Manager
For tax optimization, which type of expense is preferable?
OpEx
True or False: Azure still has some responsibilities to manage the hardware even in the Infrastructure as a Service model
True
What hardware device is required to exist or be installed on your company network in order to set up a site-to-site VPN?
VPN Gateway
What does it mean if a service is in Public Preview mode?
Anyone can use the service but normal service level agreements do not apply
What service does Azure provide as an optional upgrade to protect against DDoS attacks?
Azure DDoS Protection Standard
How does Azure Advisor enhance security of your account?
Azure advisor makes specific recommendations unique to you based on their analysis of your account
Which of the following is something that Azure Cognitive Services API can currently do?
Azure can do it all, Recognize text in an image, Recognize faces in a picture, create text from audio, Speak text in an extremely realistic way, and Translate text from one language to another
True or False: Azure is a public cloud, and has no private cloud offerings
False
What is the name of the group of services inside Azure that hosts the Apache Hadoop big data analysis tools?
HDInsight
If you wanted to simply use Azure as an extension of your own datacenter, not primarily hosting anything there but using it for extra storage or taking advantage of some services, what hosting model is that called?
Hybrid Cloud
Which of the following scenarios would Azure Policy be a recommended method for enforcement?
Prevent certain Azure Virtual Machine instances types from being used in a resource group
Azure Services can go through several phases in a Service Lifecycle. What are the three phases called?
Private Preview, Public Preview, and General Availability
What types of resources are defined as "compute resources"?
Resources that perform some type of task that requires CPU cycles to perform the work
Outlook 365 is what type of hosting model?
SaaS (Software as a Service)
Your organization has implemented an Azure Policy that restricts the type of Virtual Machine instances you can use. How can you create a VM that is blocked by the policy?
The only way is to remove the policy, create the resource and add the policy back
True or false: Formal support is not included in private preview mode.
True
What is the most number of virtual machines that can me managed under a single Virtual Machine Scale Set(VMSS)?
1000
How much do you save by using a Reserved Instances?
40% or more savings off of the price of pay-as-you-go virtual machines
What percentage availability do Availability Zones offer when configured correctly.
99.99%
What is a DDoS attack?
A denial of service attack that sends so much traffic to a network that it cannot respond fast enough; legitimate users become unable to use the service
What are Azure Availability Zones?
A feature of Azure that allows you to manually specify into which data center your virtual machines are placed, which allows you to achieve higher availability than any other option
What are Resource Groups in Azure?
A folder structure in Azure in which you organize resources like databases, virtual machines, virtual networks, or almost any resource
Which of the following would be an example of an Internet of Things (IoT) device?
A refrigerator that monitors how much milk you have left and sends you a text message when you are running low
What makes a system highly available?
A system specifically designed to be resilient, with no single point of failures
What is CapEx (Capital Expenditures)?
Are purchases of significant goods or services that will be used to improve a company's performance in the future
Which Azure feature is specifically designed to help companies get their in-house developed code from the code repository, through automated unit testing, and onto Azure using a service called Pipelines?
Azure DevOps
What Azure service is specifically designed for you to keep your application secrets such as API keys, signed certificates, and security keys.
Azure Key Vault
Which feature within Azure collects all of the logs from various resources into a central dashboard, where you can run queries, view graphs, and create alerts on certain events?
Azure Monitor
What is the MAIN management tool used for managing Azure resources with a graphical user interface?
Azure Portal
Which ways does the Azure Resource Manager model provide to deploy resources?
Azure Portal, CLI, REST API/SDK, and Powershell
Which Azure website tool is available for you to estimate the future costs of your Azure products and services by adding products to a shopping basket and helping you calculate the costs?
Azure Pricing Calculator
What does ARM an abbreviation for in Azure?
Azure Resource Manager
What is the name of Azure's hosted SQL database service?
Azure SQL Database
Which Azure service is meant to be a security dashboard that contains all the security and threat protection in one place?
Azure Security Center
Who is responsible for the security of the physical servers in an Azure data center?
Azure is responsible for securing the physical data centers
What types of attacks can a Web Application Firewall (WAF) protect from?
Cross Site Scripting (XSS) Attacks
True of false: Azure Powershell scripts and Command Line Interface (CLI) scripts are entirely compatible with each other?
False
True or false: You cannot have more than one Azure subscription per company
False
True or false: there are no service level guarantees (SLA) when a service is in General Availability
False
Who is responsible for the security of your Azure Storage account access keys?
I am responsible for securing the access keys
A virtual machine is called what type of hosting model?
IaaS (Infrastructure as a Service)
Which cloud computing model does a virtual machine fall into?
IaaS (Infrastructure as a Service)
What does IaaS stand for?
Infrastructure as a Service
What Azure resource allows you to evenly split traffic coming in and direct it to several identical virtual machines to do the work and respond to the request?
Load Balancer or Application Gateway
What type of container is used to collect log and metric data from various Azure Resources?
Log Analytics Workspace
What Azure tool gives you the ability to manage multiple subscriptions into nested hierarchies?
Management Groups
Which major cloud provider offers the most international locations for customers to provision virtual machines and other servers?
Microsoft Azure
What is OpEx (Operational Expenditures)?
Money that can be immediately deducted from income to reduce your taxable expenses.
Which of the following is a feature of the cool access tier for Azure Storage?
Much cheaper to store your files than the hot access tier
Which feature of Azure Active Directory will require users to have their mobile phone in order to be able to log in?
Multi-Factor Authentication (MFA)
What is the basic way of protecting an Azure Virtual Network subnet?
Network Security Group
What is the basic way of protecting an Azure Virtual Network subnet?
Network Security Group (NSG)
Which of the following elements is considered part of the "network" layer of network security?
Separate servers into distinct subnets by role
Logic apps, functions, and service fabric are all examples of what model of compute within Azure?
Serverless model
What does Elasticity mean?
The ability of a system to automatically grow when maximum capacity is reached, and automatically shrink to minimize waste
What feature of a system makes it elastic?
The ability to increase and reduce capacity based on actual demand
One of the benefits of the cloud is agility. What does that mean in the context of the cloud?
The ability to respond to and drive the market change quickly
What is agility?
The ability to respond to change "rapidly" based on changes to market or environment; ensuring fast time to market
What is Single Sign-On?
The ability to use an existing user id and password to sign in other applications, and not have to create/memorize a new one
What is the default amount of credits that you are given when you first create an Azure Free account?
The default is US$200
True or false: you can create your own policies if built-in Azure Policy is not sufficient to your needs
True
Which of the following methods of deploying a virtual machine provides the highest availability SLA?
Two or more Virtual Machines across availability zones in the same region
Scenario: You have an application in the cloud that has 10 servers with various roles. Six servers are D2S machines, two servers are D4S, and two are D8S instance types. This application is expected to run for years, but the business has concerns about the cost. What is the one thing you can do almost immediately to reduce the cost of this solution by at least 50%?
Use Azure Reserved Instances with Hybrid Benefit
Which of the following Azure features is most likely to deliver the most immediate savings when it comes to reducing Azure costs?
Using Azure Reserved Instances for most of your virtual machines
What does VMSS stand for?
Virtual Machine Scale Set
Approximately how many regions does Azure have around the world?
Was 54, now 60+
What is Azure Portal?
Website used to manage your resources in Azure
Can you give someone else access to your Azure subscription without giving them your user name and password?
Yes
Why would someone prefer a Consumption-based pricing model as opposed to a Time-based pricing model?
You can save a lot of money if you don't use the resources often as opposed to having it available for use 24/7
Why is Azure App Services considered Platform as a Service?
You give Azure the code and configuration, and you have no access to the underlying hardware
What does it mean if a service is in Private Preview mode?
You have to apply to get selected in order to use that service
What is Compute Services?
a category of services in Azure that provides CPU cycles for rent. Virtual Machines are only one type of compute resource. The Marketplace contains many types of resources, not just compute.
What is Azure Monitor?
a centralized dashboard that collects all the logs, metrics and events from your resources