Module Knowledge Check Questions

what AWS tool lets you explore AWS services and create an estimate for the cost of your use cases on AWS?

AWS Pricing Calculator

which of the following are geographic areas that host two or more availability zones?

AWS Regions

which component of AWS Global Infrastructure does Amazon CloudFront use to ensure low-latency delivery?

AWS edge locations

which component of the AWS global infrastructure does Amazon CloudFront use to ensure low-latency delivery?

AWS edge locations

what are the advantages of cloud computing over computing on-premises?

All of the above: avoid large capital purchases, use on-demand capacity, go global in minutes, increase speed and agility

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

true or false? to receive the discounted rate associated with Reserved Instances, you must make a full, upfront payment for the term of the agreement.

false

true or false? unlimited services are available with AWS Free Tier to new AWS customers for 12 months following their AWS sign-up date

false

_means the infrastructure has built-in component redundancy and _means that resources dynamically adjust to increases or decreases in capacity requirements

fault tolerant, elastic and scalable

when are free data transfers applicable across AWS?

free inbound data transfer for Amazon EC2 instances, free outbound data transfer for Amazon EC2 instances

which of the following can be used as a storage class for an S3 object lifecycle policy?

glacier, S3-IA, standard

economies of scale result from _

having hundreds of thousands of customers aggregated in the cloud

you can use Amazon EFS to:

implement storage for Amazon EC2 instances that multiple virtual machines can access at the same time

there is no charge for which of the following? compute storage inbound data transfer (with some exceptions) outbound data transfer data transfer between services within the same AWS region

inbound data transfer (with some exceptions) data transfer between services within the same AWS region

which of the following the responsibility of AWS under the AWS shared responsibility model

maintaining physical hardware

which of the following are best practices to secure your account using AWS IAM?

manage access to AWS resources, define fine-grained access rights

AWS highly recommends provisioning your compute resources across ___ availability zones. Multiple single all no

multiple

your web application needs four instances to support steady traffic all fo 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 all the time, then run eight on-demand instances on the last day of each month

which of the following can be used to protect Amazon EC2 instances hosted in AWS?

security group

in the shared responsibility model, which of the following are examples of "security in the cloud"?

security group configurations, encryption of data at rest and data in transit

in the shared responsibility model, AWS is responsible for providing what?

security of the cloud

which of the following services is a serverless compute service in AWS?

AWS Lambda

with amazon VPC, what is maximum size IP address range you can have in a VPC?

/16

with amazon VPC, what is the smallest size subnet you can have in a VPC?

/28

which of these are ways to access AWS core services?

AWS Management Console AWS CLI SDKs

when you create a VPC, you assign it to an IPv4 CIDR block of 10.0.1.0 / 24 (which has 256 total IP addresses). how many IP addresses are available?

251

what is true about regions?

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

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) MURI DURI PURI AURI NURI

AURI NURI PURI

what is the service provided by AWS that enables developers to easily deploy and manage applications in the cloud?

AWS Elastic Beanstalk

Which of the following is a compute service?

Amazon EC2

which of the following must be specified when launching a new Amazon EC2 Windows instance?

Amazon EC2 instance type, Amazon Machine Image (AMI)

why is AWS more economical than traditional data centers for applications with varying compute workloads?

Amazon EC2 instances can be launched on-demand when needed

which AWS networking service enables a company to create a virtual network within AWS?

Amazon VPC

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

Scheduled Reserved Instances

true or false? containers contain an entire operating system?

false

regarding Amazon S3 glacier, what is a vault?

a container for storing archives

which of these statements about availability zones is not true?

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

what happens when you use Amazon VPC to create new VPC?

a main route table is created by default

what is included in an AMI?

all of the above - Template for root volume - Launch permissions - Block device mapping to specify EBS volumes to attach

which of the following are features of Amazon EBS?

amazon EBS volumes can be encrypted upon creation and used by an instance, as if they were not encrypted, data is automatically replicated within an availability zone

Module 1: Introduction to Cloud Computing

answer

Module 2: Cloud Economics and Billing

answer

Module 3: Global Infrastructure

answer

Module 4: Cloud Security

answer

Module 5: Network and Content Delivery

answer

Module 6- Compute Services

answer

Module 7- Storage

answer

true or false? private subnets have direct access to the internet

false

what are the four support plans by AWS Support?

basic, developer, business, enterprise

which of the following should be done by the AWS account root user?

change the AWS support plan

where can a customer go to get more details about Amazon EC2 billing activity that took place 3 months ago?

cost explorer

you can run applications and workloads from a Region closer to the end users to _ latency

decrease

which EC2 feature ensures your instances will not share a physical host with instances from any other AWS customer?

dedicated instances

after initial login, what does AWS recommend as the best practice for the AWS account root user?

delete the access keys of the AWS account root user

as AWS grows, the cost of doing business is reduced and savings are passed back to the customer with lower pricing. what is this optimization called?

economies of scale

how would a system administrator add an additional layer of login security to a user's AWS Management Console?

enable multi-factor authentication

true or false? AWS KMS enables you to assess, audit, and evaluate the configurations of your AWS resources

false

true or false? By default, all data stored in Amazon S3 is viewable by the public

false

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 AWS provisions what you need.

false

Which of the following are NOT benefits of AWS Cloud computing?

multiple procurement cycles, high latency

which of the following is an optional security control that can be applied at the subnet layer of VPC?

network ACL

Amazon S3 replicates all objects _

on multiple AZs within the same region

which of these is NOT a benefit of cloud computing over on-premises computing?

pay for racking, stacking, and powering servers

what is the pricing model that enables AWS customers to pay for resources on an as-needed basis?

pay-as-you-go

when creating an AWS IAM policy, what are the two types of access that can be granted to a user?

programmatic access, AWS Management Console access

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

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

Which Amazon EC2 option is best for long-term workloads with predictable usage patterns?

reserved instances

which of these is NOT a cloud computing model?

system administration as a service

true or false? AWS offers some services at no charge, such as, Amazon Virtual Private Cloud, AWS Identity and Access Management, Consolidated Billing, AWS Elastic Beanstalk, automatic scaling, AWS OpsWorks, and AWS CloudFormation. however, you might be charged for other AWS services that you use in conjunction with these services.

true

true or false? AWS owns and maintains that network-connected hardware required for application services, while you provision and use what you need

true

true or false? Amazon S3 is an object storage suitable for the storage of flat files like word documents, photos, etc.

true

true or false? Availability Zones within a region are connected through low-latency inks.

true

true or false? networking, storage, compute, and databases are examples of service categories that AWS offers

true

true or false? organizations enables you to consolidate multiple AWS accounts so that you centrally manage them

true

true or false? when you create a bucket in Amazon S3, it is associated with a specific AWS region

true

The name of an S3 bucket must be unique _________.

worldwide across all AWS accounts