Which of the following best describes the ability to scale computing resources up or down easily while only paying for the resources?

Aws Flashcards ionicons-v5-c

What are the advantages of cloud computing over on-premises?(Select the best answer)Avoid large capital purchasesOn-demand capacityGo globalIncrease speed and agilityAll of the above

All of the above

What is the pricing model that allows AWS customers to pay for resources on an as-needed basis? (Select the best answer)Pay as you buyPay as you reservePay as you decommissionPay as you go

Pay as you go

Which of these is not a cloud deployment model? (Select the best answer)System administration as a serviceinfrastructure as a serviceplatform as a servicesoftware as a service

system administration as a service

True or False? AWS owns and maintains the network-connected hardware required for application services, while you provision and use what you need.TrueFalse

True

Which of these is not a primarybenefit of cloud computing over on-premises computing? (Select the best answer)Trade capital expense for variable expenseeliminate guessing on your infrastructure capacity needspay for racking, stacking and powering serversBenefit from massive economies of scaleincrease speed and agility

Pay for racking, stacking and powering servers

Which of the following are not benefits of AWS Cloud computing? (Choose two)High-availabilityHigh-latencyMultiple procurement cyclesTemporary and disposable resourcesFault-tolerant databases

High-latency, Multiple procurement cycles

What is the number one reason businesses are switching to cloud computing?Finite infrastructureInstant configurationIncreased speed and agilityOver-provisioningAutomation

Increased speed and agility

True or False? Cloud computing provides a simple way to access servers, storage, databases, and a broad set of application services over the Internet. You own the network connected hardware required for these services and Amazon Web Services provisions what you need.

False

Economies of scale results from ______. (Select the best answer)having hundreds of thousands of customers aggregated in the cloudhaving hundreds of cloud services available over the internethaving to invest heavily in data centers and servershaving many different cloud provders

having hundreds of thousands of customers aggregated in the cloud

What are the three ways to access AWS core services? (choose three)Software Development KitsAWS Command line InterfaceAWS Management ConsoleCalling Technical supportThrough AWS Marketplace

Software Development Kits (SDKs), AWS Command Line Interface (AWS CLI), AWS Management Console

For certain services like Amazon EC2 and Amazon RDS, you can invest in reserved capacity. Reserved Instances are available in what 3 options? (Choose three)MURIDURIPURIAURINURI

PURI, NURI, AURI

What type of AWS data transfer is free for Amazon S3? (Choose two)Inbound data transfer from internet to S3Outbound data transfer from S3 to CloudFrontOutbound data transfer from S3 to all regionsOutbound data transfer from S3 to internet

Data transfer between services within the same region, Inbound data transfer

True or false? To receive the discounted rate associated with Reserved Instances, you must make a full, up-front payment for the term of the agreement. (Select the best answer)

False

There is no charge for which of the following?(Choose two)ComputeStorageInbound data transferOutbound data transferData transfer between services within the same region

Data transfer between services within the same region, Inbound data transfer

With the "pay as you go" pricing model, how often do you pay for compute resources from the time you launch a resource until you terminate it? (Select the best answer)Yearlyquarterlymonthlydailysecondly and hourly

Secondly and Hourly

What AWS tool compares the cost of running your application in an on-premises data center to AWS? (Select the best answer)Total Cost of Operation calculatorTotal cost of ownershiptotal cost of productstotal cost of application

Total cost of ownership

As AWS grows, the general cost of doing business is reduced and savings are passed back to the customer in the form of lower pricing. What is this optimization called? (Select the best answer)Economies of ScopeEconomies of optimizationeconomies of laboreconomies of scale

Economies of scale

True or false? AWS offers a variety of services at no charge. For example, Amazon Virtual Private Cloud, AWS Identity and Access Management, Consolidated Billing, AWS Elastic Beanstalk, AWS Auto Scaling, AWS OpsWorks and AWS Cloud Formation. Although there is no charge for these services, there may be charges associated with other AWS services used in conjunction with these services.

True

When are free data transfers applicable across AWS? (Choose two)Free inbound data transfer across all amazon web services in all regionsfree outbound data transfer across all amazon web services in all regionsfree inbound data transfer for EC2 instancesfree outbound data transfer between amazon web services within the same region

Free outbound data transfer between Amazon Web Services within the same region, Free inbound data transfer for EC2 instances

True or false? Unlimited services are available via the free tier to new AWS customers for 12 months following their AWS sign-up date. (Select the best answer)

False

Which component of AWS global infrastructure does Amazon CloudFront use to ensure low latency delivery?(Select the best answer)AWS regionsAWS edge locationAWS availability zoneAmazon virtual private cloud (amazon vpc)

AWS edge locations

You can run applications and workloads from a region to _______ latency to end users.increasedecrease

decrease

True or False? Each Availability Zone is designed to be isolated from failures in other Availability Zones.TrueFalse

True

Which of the following are geographic areas that host two or more Availability Zones?(Select the best answer)AWS regionsaws originsedge locationscompute zones

AWS regions

_____ means the infrastructure has built in component redundancy and ______ means that resources dynamically adjust to increases or decreases in capacity requirements.No human intervention, fault tolerantFault tolerant, no human interventionElastic and scalable, fault tolerantelastic and scalable, no human interventionfault tolerant, elastic and scalable

Fault tolerant, elastic and scalable

True or False? Availability Zones within a region are connected through low-latency links.

True

Which of these statements about Availability Zones is not true?(Select the best answer)Availability Zones are made up of one or more data centersAvailability zones are connected to each other using high-speed private linksa data center can be used for more than one availability zoneAvailability zones are designed for fault isolation

A data center can be used for more than one availability zone

What is true about regions? (choose two)They are the physical locations of your customersall regions are located in one specific geographic areaa region is a physical location that has multiple availability zonesPhysical location has multiple availability zoneseach region is located in a separate geographic area

A region is a physical location that has multiple Availability Zones., Each region is located in a separate geographic area

AWS highly recommends provisioning your compute resources across ___ availability zones.Multiplesingleallno

multiple

True or False? Edge locations are only located in the same general area as regions.

False

Which of the following is an example of Amazon Lightsail? (Select the best answer)

Platform as a service

True or False? You can launch multiple instances of different types from a single AMI when launching an EC2 instance.

true

If your project requires you to run monthly reports that iterate through very large amounts of data, which Amazon EC2 purchasing option should you consider?

Scheduled Reserved Instances

What is included in an Amazon Machine Image (AMI)? (Select the best answer)

All of the above

Dedicated Instances

With the "Pay as you go" pricing model, what is the billing interval for compute resources from the time you launch a resource until you terminate it? (Select the best answer)

Monthly

Your web application needs four instances to support steady traffic all of the time. On the last day of the month, the traffic triples. What is the most cost-effective way to handle this pattern?

Run four Reserved Instances constantly, then add eight On-Demand Instances on the last day of each month.

Which EC2 option is best for long-term workloads with predictable usage patterns? (Select the best answer)

Reserved instances

Which of the following must be specified when launching a new Amazon Elastic Compute Cloud (Amazon EC2) Windows instance? (Choose two)

Amazon EC2 instance type, Amazon Machine Image (AMI)

Why is AWS more economical than traditional data centers for applications with varying compute workloads? (Select the best answer)

Amazon EC2 instances can be launched on-demand when needed.

True or False? S3 is an object storage suitable for the storage of 'flat' files like Word documents, photos, etc.

true

S3 replicates all objects ______. (Select the best answer)

in multiple availability zones within the same region

Which of the following can be used as a storage class for an S3 object lifecycle policy? (Choose three)

Amazon Glacier, S3 - Infrequent Access, S3 - Standard Access

The name of an S3 bucket must be unique _________. (Select the best answer)

worldwide across all AWS accounts

What can you use S3 for with your web application? (Select the best answer)

Store static content such as images, video, CSS, JavaScript, etc.

Amazon EBS is recommended when data _______ and _______. (Choose two)

requires an encryption solution, must be quickly accessible, requiring long-term persistence

True or False? By default, all data stored in S3 is viewable by the public.

False

Regarding Amazon Glacier, what is a Vault?(Select the best answer)

A container for storing archives

Access Control Lists are used to make entire buckets (like one hosting an S3 website) public. (Select the best answer)

False

Which of the following are features of Amazon Elastic Block Store (Amazon EBS)? (Choose two)

Amazon EBS volumes can be encrypted transparently to workloads on the attached instance., Data stored on Amazon EBS is automatically replicated within an Availability Zone.

What is the minimum size subnet you can have in an Amazon VPC? (Select the best answer).

/28

What is the maximum size IP address range you can have in an Amazon VPC? (Select the best answer).

/16

You need to allow resources in a private subnet to access the internet. Which of the following must be present to enable this access? (Select the best answer).

NAT Gateway

Which AWS networking service enables a company to create a virtual network within AWS? (Select the best answer).

Amazon Virtual Private Cloud (Amazon VPC)

True or False? Private subnets have direct access to the Internet.

False

Which component of AWS global infrastructure does Amazon CloudFront use to ensure low-latency delivery? (Select the best answer)

AWS edge locations

Which of the following is an optional security control that can be applied at the subnet layer of a VPC? (Select the best answer)

Network ACL

What happens when you create a new Amazon VPC? (Select the best answer)

A main route table is created by default.

How many IGWs can you attach to an Amazon VPC at any one time? (Select the best answer)

1

You are a solutions architect working for a large retail company that is migrating its existing infrastructure to AWS. You recommend they use a custom Amazon VPC. They'll need a public subnet for their web servers and a private subnet for their databases. They require web servers and database servers be highly available, with a minimum of two web servers and two database servers each. How many subnets should you have to maintain high availability? (Select the best answer).

4

You are designing an e-commerce web application that will scale to hundreds of thousands of concurrent users. Which database technology is best suited to hold the session state in this example?

NoSQL database table using Amazon DynamoDB

You need to find an item in a DynamoDB table using an attribute other than the item's primary key. Which of the following operations should you use? (Select the best answer)

Scan

In Amazon DynamoDB, what does the query operation allow you to do? (Select the best answer)

All of the above.

Which AWS Cloud service is best suited for Online Analytics Processing (OLAP)? (Select the best answer)

Amazon Redshift

In Amazon DynamoDB, an attribute is ______. (Select the best answer)

a fundamental data element

When you create a table in Amazon DynamoDB, in addition to the table name, you must specify the _____ of the table. (Select the best answer)

primary key

_______ is up to five times faster than standard MySQL databases and three times faster than standard PostgreSQL databases. (Select the best answer)

Amazon Aurora

If you are developing an application that requires a database with extremely fast performance, fast scalability, and flexibility in the database schema, what should you consider? (Select the best answer)

Amazon DynamoDB

True or False? Amazon RDS automatically patches the database software and backs up your database, storing the backups for a user-defined retention period and enabling point-in-time recovery.

True

What should you consider when choosing a database type? (Select the best answer)

All of the above

Which of the following AWS tools help your application scale up or down based on demand? (Choose two)

Elastic Load Balancing, Auto Scaling

Which service would you use to send alerts based on Amazon CloudWatch alarms? (Select the best answer)

Amazon Simple Notification Service (Amazon SNS).

Which of the following are characteristics of the Auto Scaling service on AWS? (Choose three)

Enforces a minimum number of running Amazon EC2 instances, Launches instances from a specified Amazon Machine Image (AMI), Responds to changing conditions by adding or terminating Amazon Elastic Compute (Amazon EC2) instances

Which of the following must be configured on an Elastic Load Balancing load balancer to except incoming traffic? (Select the best answer)

A listener

What are the minimum elements required to create an Auto Scaling launch configuration? (Choose three)

Launch Configuration Name, Instance type, Amazon Machine Image (AMI)

How long does Amazon CloudWatch keep metric data? (Select the best answer)

15 months

Which of the following are required elements of an Auto Scaling group? (Choose two)

Launch configuration, Minimum size

Amazon CloudWatch supports which types of monitoring plans? (Choose two)

Basic monitoring, which is free, Detailed monitoring, which has an additional cost

Elastic Load Balancing health checks may be what? (Choose three)

An Amazon Elastic Compute Cloud (Amazon EC2) instance status check, A connection attempt, A ping

What are the three types of load balancers that ELB offers? (Choose three)

Classic Load Balancer, Network Load Balancer, Application Load Balancer

In the Shared Responsibility Model, AWS has responsibility of providing what? (Select the best answer)

Security of the cloud

In the Shared Responsibility Model, which of the following are examples of "security in the cloud?" (Choose two)

Which AWS services are used with the content, In which country content is stored

Which of the following are some of the security benefits that AWS offers? (Choose two)

Meet compliance requirements, Secure global infrastructure

True or False? AWS is responsible for the security of everything above the hypervisor layer.

False

Which of the following is AWS's responsibility under the AWS shared responsibility model? (Select the best answer)

Maintaining physical hardware

Which of the following services provides trusted users with temporary security credentials that can control access to your AWS resources? (Select the best answer)

AWS Security Token Service (STS)

Which of the following are AWS IAM best practices? (Choose two)

Rotate credentials regularly., Monitor activity in your AWS account.

What does the IAM policy simulator do? (Select the best answer)

Evaluates the policies you choose and determines the effective permissions for each of the actions you specify.

True or False? AWS IAM is appropriate for OS and application authentication.

False

What is an AWS IAM instance profile? (Select the best answer)

Is a container for an IAM role that you can use to pass role information to an EC2 instance when the instance starts

Where can a customer find information about prohibited actions on AWS infrastructure? (Select the best answer)

AWS Acceptable Use Policy

True or False? The Access Key and Secret Access Key are used to log into the AWS Management Console.

False

True or False? Using IAM Groups is the recommended way to manage IAM users' permissions by job function.

True

After initial login, what does AWS recommend as the best practice for the AWS Account Root User? (Select the best answer)

Delete root user access keys

How would a system administrator add an additional layer of login security to a user's AWS Management Console? (Select the best answer)

Enable Multi-Factor Authentication

Which of the following are advantages of AWS Cloud security? (Choose two)

AWS uses multi-factor access control systems., You retain complete control and ownership of your data region.

What is AWS Trusted Advisor?

Online tool that helps you configure resources to follow best practices

Which of the following are included in AWS Assurance Programs? (Choose two)

Certification/Attestations, Laws, regulations, and privacy

When creating an IAM policy, what are the two types of access that can be granted to a user? (Choose two)

AWS management Console Access, Programmatic Access

The AWS Risk and Compliance Programs is made up of which of the following components? (Choose three)

Information Security, Risk Management, Control Environment

Which of the following is not one of the four areas of the performance efficiency pillar? (Select the best answer)

Traceability

Which of the following is not a characteristic of the Auto Scaling service on AWS? (Select the best answer)

Sends traffic to healthy instances

Which of the following options will help increase the availability of a web server farm? (Choose two)

Leverage Auto Scaling to recover from failed instances., Launch the web server instance across multiple Availability Zones.

Which design principles are recommended when considering performance efficiency? (Choose two)

Democratize advanced technologies, Serverless architecture

Which AWS offering enables customers to find, buy, and immediately start using software solutions in their AWS environment? (Select the best answer)

AWS Marketplace

In a physical data center, security is typically considered in what area? (Select the best answer)

Only in the perimeter

To view all categories of instance metadata from within a running instance, which URI should you use? (Select the best answer)

http://169.254.169.254/latest/meta-data/

What is defined as the ability for a system to remain operational even if some of the components of that system fail? (Select the best answer)

Fault tolerance

Your company provides media content via the Internet to customers through a paid subscription model. You leverage Amazon CloudFront to distribute content to your customers with low latency. What approach can you use to serve this private content securely to your paid subscribers?

Provide signed Amazon CloudFront URLs to authenticated users to access the paid content.

Which of the following best describes a system that is always available, without the need for human intervention? (Select the best answer)

Highly-available

What are the four support plans offered by AWS? (Choose four)

Business, Enterprise, Basic, Developer

What are the characteristics of the Developer Support Plan? (Choose two)

Business hours access to Cloud Support Associates via email, One primary contact may open a case

Which of the following is not available in the Business Support Plan? (Select the best answer)

Access to Well-Architected review delivered by AWS Solution Architects

Which of the AWS Support levels offers 24 x 7 support via phone or chat? (Choose two)

Enterprise Support, Business Support

Your company's IT management team is looking for an online tool to provide recommendations to save money, improve system availability and performance, and to help close security gaps. What can help the management team?

AWS Trusted Advisor

AWS Support has five different severity levels for support cases. What are they? (Choose five)

Urgent, High, Normal, Low, Critical

What is the response time of urgent issues for Enterprise Support Plan customers? (Select the best answer)

1 hour or less

A Basic Support Plan allows how many support cases per month? (Select the best answer)

None

What will AWS Trusted Advisor tell you? (Choose three)

Whether or not you are using fault tolerance, Deployed resources not being used but incurring charges, How well the infrastructure is performing

Which of the following AWS Support levels includes the assistance of a Technical Account Manager (TAM)? (Select the best answer)

Enterprise Support