CINS 210 Cloud Computing Fundamentals MidTerm - AWS
You are a solutions architect who works at a large retail company that is migrating its existing infrastructure to AWS. You recommend that they use a custom VPC. When you create a VPC, you assign it to an IPv4 Classless Inter-Domain Routing (CIDR) block of 10.0.1.0/24 (which has 256 total IP addresses). How many IP addresses are available? (Select the best answer.) 250 251 256 246
251
Which of these are ways to access AWS core services? (Choose three.) Technical support calls AWS Marketplace AWS Management Console AWS Command Line Interface (AWS CLI) Software Development Kits (SDKs)
AWS Management Console AWS Command Line Interface (AWS CLI) Software Development Kits (SDKs)
What AWS tool lets you explore AWS services and create an estimate for the cost of your use cases on AWS? (Select the best answer.) AWS Pricing Calculator AWS Budgets AWS Cost and Usage Report AWS Billing Dashboard
AWS Pricing Calculator
Which of the following are geographic areas that host two or more Availability Zones? (Select the best answer.) AWS Origins AWS Regions Compute zones Edge locations
AWS Regions
Which of the following are geographic areas that host two or more Availability Zones? (Select the best answer.) Group of answer choices Edge locations Compute zones AWS Origins AWS Regions
AWS Regions
Where can a customer find information about prohibited actions on AWS infrastructure? Group of answer choices AWS Trusted Advisor AWS Billing Console AWS Acceptable Use AWS Identity and Access Management (IAM)
AWS Trusted Advisor
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
True or False? Edge locations are only located in the same general area as Regions.
False
True or False? Private subnets have direct access to the internet.
False
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. (Select the best answer.)
False
True or false? Unlimited services are available with the AWS Free Tier to new AWS customers for 12 months following their AWS sign-up date. (Select the best answer.)
False
What is the pricing model that enables AWS customers to pay for resources on an as needed basis? (Select the best answer.) Pay as you decommission Pay as you go Pay as you buy Pay as you reserve
Pay as you go
Which component of AWS Global Infrastructure does Amazon CloudFront use to ensure low latency delivery? (Select the best answer.) Amazon Virtual Private Cloud (Amazon VPC) AWS edge locations AWS Regions AWS Availability Zones
AWS edge locations
Which component of AWS Global Infrastructure does Amazon CloudFront use to ensure low-latency delivery? (Select the best answer.) Group of answer choices Amazon Virtual Private Cloud (Amazon VPC) AWS Region AWS Availability Zones AWS edge locations
AWS edge locations
Which component of AWS global infrastructure does Amazon CloudFront use to ensure low-latency delivery? AWS edge locations Amazon Virtual Private Cloud (Amazon VPC) AWS Regions AWS Availability Zones
AWS edge locations
Which component of the AWS Global Infrastructure does Amazon CloudFront use to ensure low latency delivery? (Select the best answer.) AWS Regions AWS edge locations AWS Availability Zones Amazon Virtual Private Cloud (Amazon VPC)
AWS edge locations
What are the advantages of cloud computing over computing on-premises? (Select the best answer.) Avoid large capital purchases Use on-demand capacity Go global in minutes Increase speed and agility All of the above
All of the above
How does cloud computing increase a company's speed and agility? Group of answer choices Allows the company to reduce cost and time of experimenting because IT resources are a click away Allows the company to experiment with new ideas Allows the company to quickly develop plans that enhance business success Allows the company to improve the computing power to promote business goals
Allows the company to reduce cost and time of experimenting because IT resources are a click away
Which of the following is a compute service? (Select the best answer) Amazon VPC Amazon S3 Amazon EC2 Amazon CloudFront Amazon Redshift
Amazon EC2
Why is AWS more economical than traditional data centers for applications with varying compute workloads? Group of answer choices Amazon Elastic Compute Cloud (Amazon EC2) costs are billed on a monthly basis Customers can permanently run enough instances to handle peak workloads. Customers retain full administrative access to their Amazon EC2 instances. Amazon EC2 instances can be launched on-demand when needed.
Amazon EC2 instances can be launched on-demand when needed.
What are the four support plans offered by AWS Support? (Select the best answer.) Basic, Developer, Business, Enterprise Basic, Startup, Business, Enterprise Free, Bronze, Silver, Gold All support is free
Basic, Developer, Business, Enterprise
Which of the following should be done by the AWS account root user? (Select the best answer.) Secure access for applications Integrate with other AWS services Change granular permissions Change the AWS support plan
Change the AWS support plan
What are the 3 types of cloud deployment models? Choose 3 Group of answer choices Offline Cloud Hybrid On Premises On Demand
Cloud Hybrid On Premises
True or False? AWS Key Management Service (AWS KMS) enables you to assess, audit, and evaluate the configurations of your AWS resources.
False
True or False? AWS Organizations enables you to consolidate multiple AWS accounts so that you centrally manage them.
True
True or False? AWS owns and maintains the network connected hardware required for application services, while you provision and use what you need.
True
True or False? Availability Zones within a Region are connected through low latency links.
True
True or False? Networking, storage, compute, and databases are examples of service categories that AWS offers.
True
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
How can cloud computing help you stop guessing capacity? Group of answer choices You can access as much or little as you need, but cannot scale up or down You can access as much or as little as you need, and scale up and down as required with only a few minutes' notice You can scale up or down as required with only a few minutes notice. You can access as much as you need with scaling limited to one direction.
You can access as much or as little as you need, and scale up and down as required with only a few minutes' notice
AWS highly recommends provisioning your compute resources across _____ Availability Zones. (Select the best answer.) no all single multiple
multiple
Cloud pricing is a utility style model which includes which of the following? 2 answers Group of answer choices pay for what you use and less when you reserve pay less when you use more and less as AWS grows pay less when you use more and pay more as AWS grows pay for what you use and more when you reserve
pay for what you use and less when you reserve pay less when you use more and less as AWS grows
What are benefits of using AWS Organizations? (Choose two.) *Replaces existing AWS Identity and Access Management (IAM) policies with service control policies (SCPs), which are simpler to manage *Provides the ability to create groups of accounts and then attach policies to a group *Provides the ability to create an unlimited number of nested organizational units (OUs) to support your desired structure *Simplifies automating account creation and management by using APIs *Prevents any restrictions from being put on the root user that is associated with the main organization in an account
*Provides the ability to create groups of accounts and then attach policies to a group *Simplifies automating account creation and management by using APIs
With Amazon Virtual Private Cloud (Amazon VPC), what is the maximum size IP address range you can have in a VPC? (Select the best answer.) Group of answer choices /24 /28 /16 /30
/16
With Amazon Virtual Private Cloud (Amazon VPC), what is the maximum size IP address range you can have in a VPC? (Select the best answer.) /30 /16 /24 /28
/16
With Amazon Virtual Private Cloud (Amazon VPC), what is the smallest size subnet you can have in a VPC? (Select the best answer.) Group of answer choices /28 /30 /26 /24
/28
With Amazon Virtual Private Cloud (Amazon VPC), what is the smallest size subnet you can have in a VPC? (Select the best answer.) /30 /26 /24 /28
/28
Which of these statements about Availability Zones is not true? (Select the best answer.) Availability Zones are designed for fault isolation. Availability Zones are made up of one or more data centers. A data center can be used for more than one Availability Zone. Availability Zones are connected to each other using high-speed private links.
A data center can be used for more than one Availability Zone.
What happens when you use Amazon Virtual Private Cloud (Amazon VPC) to create a new VPC? (Select the best answer.) Group of answer choices A main route table is created by default An internet gateway is created by default Three subnets are created by default in on Availability Zone Three subnets are created by default: one for each Availability Zone
A main route table is created by default
What happens when you use Amazon Virtual Private Cloud (Amazon VPC) to create a new VPC? (Select the best answer.) Three subnets are created by default: one for each Availability Zone. Three subnets are created by default in one Availability Zone. A main route table is created by default. An internet gateway is created by default.
A main route table is created by default.
For certain services like Amazon Elastic Compute Cloud (Amazon EC2) and Amazon Relational Database Service (Amazon RDS), you can invest in reserved capacity. What options are available for Reserved Instances? Choose 3 Group of answer choices DURI MURI AURI PURI NURI
AURI PURI NURI
For certain services like Amazon Elastic Compute Cloud (Amazon EC2) and Amazon Relational Database Service (Amazon RDS), you can invest in reserved capacity. What options are available for Reserved Instances? (Choose three.) AURI MURI NURI PURI DURI
AURI PURI NURI
Which service can identify the user that made the API call when an Amazon Elastic Compute Cloud (Amazon EC2) instance is terminated? Group of answer choices AWS Identity and Access Management (AWS IAM) Amazon CloudWatch AWS CloudTrail AWS X-Ray
AWS CloudTrail
Where can a customer go to get more details about Amazon Elastic Compute Cloud (Amazon EC2) billing activity that took place 3 months ago? (Select the best answer.) Amazon EC2 dashboard AWS Cost Explorer AWS Trusted Advisor dashboard AWS CloudTrail logs stored in Amazon Simple Storage Service (Amazon SS)
AWS Cost Explorer
Which component of the AWS Global Infrastructure does Amazon CloudFront use to ensure low-latency delivery? (Select the best answer.) Group of answer choices Amazon Virtual Private Cloud (Amazon VPC) AWS Edge locations AWS Regions AWS Availability Zones
AWS Edge locations
Which service would you use to send alerts based on Amazon CloudWatch alarms? Group of answer choices Amazon Route 53 AWS CloudTrail AWS Trusted Advisor Amazon Simple Notification Service (Amazon SNS)
Amazon Simple Notification Service (Amazon SNS)
Which AWS networking service enables a company to create a virtual network within AWS? (Select the best answer.) AWS Config Amazon Route 53 Amazon Virtual Private Cloud (Amazon VPC) AWS Direct Connect
Amazon Virtual Private Cloud (Amazon VPC)
What are four support plans offered by AWS Support? Group of answer choices All support is free Free, Bronze, Silver, Gold Basic, Developer, Business, Enterprise Basic, Startup, Business, Enterprise
Basic, Developer, Business, Enterprise
You can run applications and workloads from a Region closer to the end users to ____ latency. Increase Decrease
Decrease
After initial login, what does AWS recommend as the best practice for the AWS account root user? (Select the best answer.) Delete the AWS account root user Revoke all permissions on the AWS account root user Restrict permission on the AWS account root user Delete the access keys of the AWS account root user
Delete the access keys of the AWS account root user
What is true about Regions? (Choose two.) Group of answer choices Each Region is located in a separate geographic area. All Regions are located in one specific geographic area. They are the physical locations of your customers. A Region is a physical location that has multiple Availability Zones.
Each Region is located in a separate geographic area. A Region is a physical location that has multiple Availability Zones.
What is true about Regions? (Choose two.) Each Region is located in a separate geographic area. All Regions are located in one specific geographic area. They are the physical locations of your customers. A Region is a physical location that has multiple Availability Zones.
Each Region is located in a separate geographic area. A Region is a physical location that has multiple Availability Zones.
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? Group of answer choices Economies of Scale EC2 Right Sizing Expenditure awareness Matching supply and demand
Economies of Scale
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? (Select the best answer.) Expenditure awareness Economies of scale Matching supply and demand EC2 Right Sizing
Economies of scale
How would a system administrator add an additional layer of login security to a user's AWS Management Console? (Select the best answer.) Use Amazon Cloud Directory Audit AWS Identity and Access Management (IAM) roles Enable multi-factor authentication Enable AWS CloudTrail
Enable multi-factor authentication
Which support plan is the only one that offers critical response as part of their severity level response? Group of answer choices Developer Plan Basic Plan Business Plan Enterprise Plan
Enterprise Plan
____ 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 tolerant Elastic and scalable, no human intervention Fault tolerant, elastic and scalable Fault tolerant, no human intervention Elastic and scalable, fault tolerant
Fault tolerant, elastic and scalable
______ means the infrastructure has built-in component redundancy and ______ means that resources dynamically adjust to increases or decreases in capacity requirements Group of answer choices Fault tolerant, no human intervention Fault tolerant, elastic and scalable No human intervention, fault tolerant Elastic and scalable, no human intervention Elastic and Scalable, fault tolerant
Fault tolerant, elastic and scalable
What does Massive Economies of Scale mean? Group of answer choices Higher variable cost that you cannot get on your own Lower variable cost than you can get on your own Higher variable cost due to demand Demand of services drops the cost
Lower variable cost than you can get on your own
Economies of scale result from. (Select the best answer.) having many different cloud providers Having hundreds of thousands of customers aggregated in the cloud having hundreds of cloud services available over the internet having to invest heavily in data centers and servers
Having hundreds of thousands of customers aggregated in the cloud
What are the 3 types of cloud services? Choose 3 AWS IaaS SaaS CaaS PaaS
IaaS SaaS PaaS
Which of the following is the responsibility of AWS under the AWS shared responsibility model? (Select the best answer.) Configuring third-party applications Maintaining physical hardware Security application access and data Managing custom Amazon Machine Images (AMIs)
Maintaining physical hardware
Which of the following are best practices to secure your account using AWS Identity and Access Management (IAM)? (Choose two.) Provide users with default administrative privileges. Leave unused and unnecessary users and credentials in place. Manage access to AWS resources. Avoid using IAM groups to grant the same access permissions to multiple users. Define fine-grained access rights.
Manage access to AWS resources. Define fine-grained access rights.
AWS highly recommends provisioning your compute resources across _______ Availability Zones. (Select the best answer.) Group of answer choices All Single Multiple No
Multiple
Which of the following are NOT benefits of AWS Cloud computing? (Choose two.) Multiple procurement cycles High availability High latency Temporary and disposable resources Fault-tolerant databases
Multiple procurement cycles High latency
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.) Network access control lists Security groups NAT gateway Route tables
NAT gateway
Which of the following is an optional security control that can be applied at the subnet layer of a VPC? (Select the best answer.) Group of answer choices Web application firewall Security group Firewall Network ACL
Network ACL
Which of the following is an optional security control that can be applied at the subnet layer of a VPC? (Select the best answer.) Firewall Network ACL Security group Web application firewall
Network ACL
Which of these is NOT a benefit of cloud computing over on-premises computing? (Select the best answer.) Increase speed and agility Pay for racking, stacking, and powering servers Eliminate guessing on your infrastructure capacity needs Trade capital expense for variable expense Benefit from massive economies of scale
Pay for racking, stacking, and powering servers
When creating an AWS Identity and Access Management (IAM) policy, what are the two types of access that can be granted to a user? (Choose two.) Institutional access Authorized access Programmatic access AWS Management Console access Administrative root access
Programmatic access AWS Management Console access
Which of the following can be used to protect Amazon Elastic Compute Cloud (Amazon EC2) instances hosted in AWS? (Select the best answer.) AMI Security group Internet Gateway All of the above
Security group
In the shared responsibility model, which of the following are examples of 'Security in the cloud"? (Choose two.) Compliance with compute security standards and regulations Physical security of the facilities in which the services operate Security group configurations Encryption of data at rest and data in transit Protecting the global infrastructure
Security group configurations Encryption of data at rest and data in transit
In the shared responsibility model, AWS is responsible for providing what? (Select the best answer.) Security of the cloud Security to the cloud Security for the cloud Security in the cloud
Security of the cloud
Which statement is true about the pricing model on AWS? (Select the best answer.) In most cases, there is a per gigabyte charge for inbound data transfer. Storage is typically charged per gigabyte. Compute is typically charged as a monthly fee based on instance type. Outbound charges are free up to a per account limit.
Storage is typically charged per gigabyte.
Which of these is NOT a cloud computing model? (Select the best answer.) Platform as a service Infrastructure as a service System administration as a service Software as a service
System administration as a service