M01 - M04 Quiz Questions Flashcards by Victoria Jones

When using On-Demand instances in AWS, which of the following is false in regard to the cost of the instance:

You have to pay the termination fees if you terminate the instance
You are charged per second based on the hourly rate
You pay for what you use
You pay no upfront costs for the instance

You have to pay the termination fees if you terminate the instance

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Which of the following are the costing attributes for using S3? Choose all that apply.
The number of total S3 buckets
The total size in GB of all objects stored
Whether encryption is used for the S3 bucket
The storage class for the objects being stored

The total size in GB of all objects stored
The storage class for the objects being stored

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Which of the following can assist you with cost optimization?
AWS Inspector
AWS WAF
AWS Shield
AWS Trusted Advisor

AWS Trusted Advisor

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Organizations allow you to group multiple accounts into a consolidated bill and thereby achieve greater discounts due to higher aggregate usage.
Correct!
True
False

True

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You have a distributed application that periodically processes large volumes of data across multiple EC2 instances. The application is designed to recover gracefully from EC2 instance failures. You are required to accomplish this task in the most efficient manner. Which of the following BEST meets the requirements?
On-demand instances
Reserved instances
Spot instances
Dedicated instances

Spot instances

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A company wants to store files that are not frequently accessed. What is the most cost-effective method?
Amazon Glacier
Amazon EBS
Amazon S3
Amazon Storage Gateway

Amazon Glacier

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Where can a customer go to find out more information about EC2 billing activity that happened 3 months ago?
Cost and Usage Reports
EC2 Dashboard
CloudTrail Logs
Trusted Advisor Dashboard

Cost and Usage Reports

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When working on the costing for on-demand EC2 instances, which of the following are attributes that determine the cost of the instance? Choose all that apply.
Instance type
Edge location
Region
AMI type

Instance type
Region
AMI type

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In AWS billing, what option can be used to ensure that costs can be reduced if you have multiple accounts?
Consolidated billing
Compiled billing
Combined billing
Condensed billing

Consolidated billing

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Typically, a TCO analysis looks at the “as is” on-premises infrastructure and compares this with the cost of the “to be” infrastructure state in the cloud and provides a comprehensive view of the total financial impact of moving to the cloud.
True
False

True

There are also many soft benefits, including increased customer satisfaction, increased employee morale, increased developer productivity, and more agility for the business.

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Which AWS offering enables customers to find, buy, and immediately start using software solutions in their AWS environment?
A) AWS Config
B) AWS OpsWorks
C) AWS SDK
D) AWS Marketplace

C) AWS SDK

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Which of the following is a benefit an Amazon EC2 over on-premises physical servers?
Only pay for what you use
Root/Admin access
Ability to choose hardware vendors
Automated backup

Only pay for what you use

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AWS Organizations allow you to (choose all that apply):

CONSOLIDATE BILLING ACROSS MULTIPLE AWS ACCOUNTS
AUTOMATE AWS ACCOUNT CREATION AND MANAGEMENT
CENTRALLY MANAGE POLICIES ACROSS MULTIPLE AWS ACCOUNTS
CONFIGURE AWS SERVICES ACROSS MULTIPLE ACCOUNTS
GOVERN ACCESS TO AWS SERVICES, RESOURCES, AND REGIONS

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There is a requirement for a development environment for the next 3 months. Which instance type would you use?
Reserved No Upfront
Reserved Partial Upfront
Spot instance
On-demand instance

On-demand instance

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Which of the following is used to estimate the costs for moving resources from on-premises to the AWS Cloud?
AWS Cost Explorer
AWS Consolidated Billing
AWS TCO Calculator
AWS Config

AWS TCO Calculator

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You need to host a database server for at least a year. Which of the following would result in the least cost?
Reserved All Upfront
On-demand instance
Spot instance
Reserved No Upfront

Reserved All Upfront

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_____________________ can help effectively and efficiently manage AWS accounts that are split among departments, but paid for by a single company.
AWS Organizations
AWS Trusted Advisor
AWS Cost Explorer
Amazon Dev Pay

AWS Organizations

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Which of the following is a factor when calculating the TCO?
Number of users migrated to AWS
Number of encryption keys migrated to AWS
Number of servers migrated to AWS
Number of passwords migrated to AWS

Number of servers migrated to AWS

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Which service can help manage the cost for all AWS resources? Choose the BEST answer.
CloudWatch
TCO Calculator
CloudTrail
Cost explorer

Cost explorer

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You have two accounts in your AWS account, one for the DEV team and the other for the QA team. All are part of consolidated billing. The master account has purchased three reserved instances. The DEV team currently uses two reserved instances. The QA team is planning to use three instances of the same instance type. What is the pricing tier of the instances that can be used by the QA team?
1 reserved and 2 on demand
2 reserved and 1 on demand
3 reserved and none on demand
No reserved and 3 on demand

1 reserved and 2 on demand

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You are currently hosting an infrastructure and most of the EC2 instances are being used 90-100% and you expect this to continue for at least a year. What type of EC2 instance would you use to ensure costs are minimized?
Reserved instances
Spot instances
Dedicated host instances
On-demand instances

Reserved instances

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There is a requirement hosting a set of servers in the cloud for a short period of 3 months. Which of the following types of instances should be chosen in order to be cost effective? Choose the BEST answer.
On-demand
No upfront Reserved
Partial upfront Reserved
Spot

On-demand

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Which of the following are ways that allow you to link accounts? Choose all that apply.
AWS Config
AWS Organizations
AWS Cloud Formation
Consolidated Billing

AWS Organizations
Consolidated Billing

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Which tool helps you forecast your AWS spending? Choose the best answer.
AWS Cost Explorer
AWS TCO Calculator
AWS Organizations
AWS Trusted Advisor

AWS Cost Explorer

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To improve control over your AWS environment, you can use AWS Organizations to create groups of accounts, and then attach policies to a group to ensure the correct policies are applied across the accounts without requiring custom scripts and manual processes. True False

True

Which of the following services can a customer use to obtain detail about Amazon Elastic Compute Cloud (EC2) billing activity that took place 3 months ago? AWS CloudWatch AWS Cost and Usage reports AWS Trusted Advisor Dashboard Amazon EC2 Dashboard

AWS Cost and Usage reports

Which of the following concepts is used when you want to manage the bills for multiple accounts under one master account? Cost explorer IAM Combined billing Consolidated billing

Consolidated billing

The AWS Simple Monthly Calculator can be used to estimate cost savings. True False

False The Simple Monthly Calculator provides monthly cost estimates, while the TCO Calculator estimates cost savings.

You need to compare the cost of running resources in an on-premises environment or in a co-location environment with AWS. Which of the following options can be used to estimate savings? AWS WAF AWS Trusted Advisor AWS TCO Calculator AWS Inspector

AWS TCO Calculator

According to the shared security model, who is responsible for security of the cloud? The customer AWS The AWS Concierge Both AWS and the customer

AWS

You want to take a snapshot of an EC2 instance and create a new instance from it. In AWS terminology, what is this snapshot equivalent to? EC2 snapshot AMI EBS volume IAM

AMI

What does Amazon EC2 provide? A platform to run code such as Java, PHP, or Python Physical servers remotely managed by the customer Computer clusters in the cloud Virtual servers in the cloud

Virtual servers in the cloud

AWS manages which of the following security requirements for AWS resources according to the Shared Responsibility Model? (choose 3) User policies Disk disposal Physical security Hardware patching Password policies

Disk disposal Physical security Hardware patching

Allowing the customer to adapt to changing business needs and focus on infrastructure are key benefits of the AWS pricing model. True False

False The AWS pricing model allows the customer to adapt to changing business needs and focus on the customer's core business rather than focusing on IT infrastructure.

What is the key difference between an Availability Zone and an Edge Location? An AZ is a grouping of AWS resources in a specific region; an edge location is a specific resource within the region An AZ is an isolated location within a region, whereas an edge location will deliver cached content to the closest location to reduce latency None of the above

An AZ is an isolated location within a region, whereas an edge location will deliver cached content to the closest location to reduce latency Edge locations are used as control stations for AWS resources

Select the three models of Cloud Computing: PaaS - Platform as a Service Saas - Software as a Service IaaS - Infrastructure as a Service AaaS - Archiving as a Service

PaaS - Platform as a Service Saas - Software as a Service IaaS - Infrastructure as a Service

If you wanted to backup an EBS volume, what would you do? Choose the BEST answer. Store the EBS volume in S3 Create an EBS snapshot Store the EBS volume in DynamoDB Store the EBS volume in an RDS database

Create an EBS snapshot

Fault Tolerance refers to the built-in redundancy of an application's components and its ability to remain operational. True False

True

Which of the following is the responsibility of the customer according to the Shared Security Model? Managing IAM Monitoring physical device security Securing Edge Locations

Managing IAM Implementing Service Organization Control (SOC) standards

Which of the following is a benefit of running an application across two AZs? more secure than running in a single AZ increases the availability of an application performance improvement over running in a single AZ significantly reduces the TCO

increases the availability of an application

The AWS pricing policy is that "you only pay for what you use" with no long-term contracts required. True False

True

AWS Free Tier accounts are good for one year, only for new accounts, and allow access to all AWS services. True False

False The limitations for Free Tier accounts are: Only new customers Up to one year Applicable to only certain services and options

Which of the following allows you to carve out a portion of the AWS cloud? AWS Regions AWS VPCs AWS Availability Zones AWS Edge Locations

AWS VPCs

Recoverability refers to the process, policies, and procedures related to restoring service after a catastrophic event. True False

True

You have a mission critical application which must be globally available 24/7/365. Which deployment method is the BEST solution? Deploy to multiple data centers Deploy to multiple regions Deploy to multiple edge locations Deploy to multiple availability zones

Deploy to multiple regions

Which of the following examples supports AWS's Architecting for the Cloud best practice principle: "Design for failure and nothing will fail?" Deploying an application in multiple AZs Creating and deploying the most cost-effective solution Using CloudWatch alerts to monitor performance Adding an elastic load balancer in front of a single EC2 instance

Deploying an application in multiple AZs

Select all possible responses that correctly describe one of the six benefit of cloud computing. eliminate guessing on capacity needs trade a monthly variable cost for a monthly fixed cost focus on infrastructure benefit from massive economies of scale

eliminate guessing on capacity needs benefit from massive economies of scale

What is the concept of an AWS Region? A collection of EC2 instances The same thing as an Availability Zone A geographical area divided into AZs A collection of Edge Locations

A geographical area divided into AZs

Why is AWS more economical than traditional data centers for applications with varying compute workloads? A) Amazon Elastic Compute Cloud (Amazon EC2) costs are billed on a monthly basis. B) Customers retain full administrative access to their Amazon EC2 instances. C) Amazon EC2 instances can be launched on-demand when needed. D) Customers can permanently run enough instances to handle peak workloads.

C – The ability to launch instances on-demand when needed allows customers launch and terminate instances in response to a varying workload. This is a more economical practice than purchasing enough on-premises servers to handle the peak load.

One benefit of cloud computing is that you can go global in a matter of days instead of several weeks under a traditional model. True False

False Correct! You can actually go global in a matter of minutes!

On-premises High Availability is usually less expensive than a cloud High Availability solution since most on-premises costs are fixed and a one-time expense. True False

False

You are planning to serve a web application on the AWS platform by using EC2 instances. Which of the following principles would you adopt to ensure that even if some EC2 instances crash, you still have a working application? Use a fault tolerant system Use a regional system Use a scalable system Use an elastic system

Use a fault tolerant system

Reliability is the measure of how long a resource performs its intended function and is measured in percentage of up-time. True False

False The correct answer is false. Reliability is the measure of how long a resource performs its intended function. It is normally measured in a unit of time (hours/days/weeks) since the last failure (MTBF, or Mean Time Between Failures). Availability is measured in terms of up-time. These two terms are very related but both need to be taken into account. For example, if a system goes off-line for 1 minute every day it may have relatively high availability (99.93%) but very low reliability.

Which of the following options of AWS RDS allows for AWS to fail over to a secondary database in case the primary one fails? AWS Multi-AZ AWS Secondary AWS Standby AWS Failover

AWS Multi-AZ

The three cloud deployment models are: Hybrid All-in Cloud On-demand Cloud Private Cloud

Hybrid All-in Cloud Private Cloud On-demand Cloud is not a deployment model.

AWS provides cost savings to the customer through (select all that apply): Data transfers out are always free Savings as the amount of usage increases Tiered pricing structure Multiple storage options help lower costs

Savings as the amount of usage increases Tiered pricing structure Multiple storage options help lower costs All answers are correct except that data transfers OUT have a charge. Data transfers IN are free.

Which of the following is normally present in all of the AWS support plans? A Technical Account Manager 24/7 access to Customer Service Access to all features in Trusted Advisor A dedicated support person

24/7 access to Customer Service

Your disaster recovery strategy should launching resources in a separate: Security Group Subnet Region VPC

Region

Which of the following is NOT a disaster recovery deployment technique? Pilot light Single site Warm standby Multi-site

Single site

According to AWS, what is the benefit of elasticity? To accommodate workloads where the availability of EC2 instances can be flexible. Enable AWS to automatically select the most cost-efficient services Accelerate the design process by automating recovery from failure. Having the ability to scale up and scale down to meet user demand

Having the ability to scale up and scale down to meet user demand

The main benefit of decoupling an application is to: enable synchronization reduce inter-dependencies create a tightly integrated application execute automated bootstrap actions

reduce inter-dependencies

Which of the following are the responsibility of AWS (choose all that apply)? instance termination intrusion detection physical security of data centers instance isolation

intrusion detection physical security of data centers instance isolation

Which of the following options would entice a company to use AWS over an on-premises data center? Choose all that apply. Access to free, unlimited storage Access to unlimited physical servers Use resources on demand Highly available infrastructure

Use resources on demand Highly available infrastructure

Which AWS networking service enables a company to create a virtual network within AWS? A) AWS Config B) Amazon Route 53 C) AWS Direct Connect D) Amazon Virtual Private Cloud (Amazon VPC)

D) Amazon Virtual Private Cloud (Amazon VPC)

5) Which of the following is AWS's responsibility under the AWS shared responsibility model? A) Configuring third-party applications B) Maintaining physical hardware C) Securing application access and data D) Managing custom Amazon Machine Images (AMIs)

B) Maintaining physical hardware

Which component of AWS global infrastructure does Amazon CloudFront use to ensure low-latency delivery? A) AWS Regions B) AWS edge locations C) AWS Availability Zones D) Amazon Virtual Private Cloud (Amazon VPC)

B) AWS edge locations

How would a system administrator add an additional layer of login security to a user's AWS Management Console? A) Use AWS Cloud Directory B) Audit AWS Identity and Access Management (IAM) roles C) Enable Multi-Factor Authentication D) Enable AWS CloudTrail

C) Enable Multi-Factor Authentication

Which service can identify the user that made the API call when an Amazon Elastic Compute Cloud (Amazon EC2) instance is terminated? A) Amazon CloudWatch B) AWS CloudTrail C) AWS X-Ray D) AWS Identity and Access Management (AWS IAM)

B) AWS CloudTrail

Which service would you use to send alerts based on Amazon CloudWatch alarms? A) Amazon Simple Notification Service (Amazon SNS) B) AWS CloudTrail C) AWS Trusted Advisor D) Amazon Route 53

A) Amazon Simple Notification Service (Amazon SNS)

Where can a customer find information about prohibited actions on AWS infrastructure? A) AWS Trusted Advisor B) AWS Identity and Access Management (IAM) C) AWS Billing Console D) AWS Acceptable Use Policy

D) AWS Acceptable Use Policy