M01 Check for Understanding - Cloud Concepts

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Which of the following is normally present in all of the AWS support plans?

24/7 access to Customer Service

The three cloud deployment models are

All-in Cloud + Private Cloud + Hybrid

Which of the following is a compute service?

Amazon EC2

What is the key difference between an Availability Zone and an Edge Location?

An AZ is an isolated location within a region; whereas an edge location will deliver cached content to the closest location to reduce latency

TRUE or FALSE? In AWS cloud computing; you own the network-connected hardware required for AWS services and AWS provisions what you need?

FALSE

AWS Free Tier accounts are good for one year; only for new accounts; and allow access to all AWS services

False

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

False

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.

False

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

False

Which of the following is NOT a disaster recovery deployment technique?

Single site

TRUE or FALSE? AWS owns and maintains the network connected hardware required for application services; while you provision what you need

TRUE

Select all possible responses that correctly describe one of the six benefits of cloud computing

eliminate guessing on capacity needs + benefit from massive economies of scale

Which of these are ways to access AWS core services?

AWS Management Console + AWS Command Line + Software Development Kits (SDKs)

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

Which of the following allows you to carve out a portion of the AWS cloud?

AWS VPCs

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

Avoid large capital purchases + use on-demand capacity + go global in minutes + increase speed and agility

If you wanted to backup an EBS volume; what would you do?

Create an EBS snapshot

You have a mission critical application which must be globally available 24/7/365. Which deployment method is the BEST solution?

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

AWS manages which of the following security requirements for AWS resources according to the Shared Responsibility Model?

Disk disposal + Hardware patching + Physical security

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

False (it takes minutes not days)

Which of the following options would entice a company to use AWS over an on-premises data center?

Highly available infrastructure & Use resources on demand

Which of the following is the responsibility of the customer according to the Shared Security Model?

Managing IAM

Which of the following are NOT benefits of AWS cloud computing

Multiple procurement cycles + High latency

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

Pay as you go

Your disaster recovery strategy should launching resources in a separate

Region

Select the three models of Cloud Computing

Saas (Software as a Service) PaaS (Platform as a Service) IaaS (Infrastructure as a Service)

AWS provides cost savings to the customer through

Savings as the amount of usage increases + Multiple storage options help lower costs + Tiered pricing structure

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

True

Recoverability refers to the process policies and procedures related to restoring service after a catastrophic event

True

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

True

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

What does Amazon EC2 provide?

Virtual servers in the cloud

Economies of scale result from ________.

having hundreds of thousands of customers aggregated in the cloud

Which of the following is a benefit of running an application across two AZs?

increases the availability of an application

Which of the following are the responsibility of AWS

intrusion detection + instance isolation + physical security of data centers

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

pay for racking stacking and powering servers

The main benefit of decoupling an application is to

reduce inter-dependencies

Which is NOT a cloud computing model?

system administration as a service


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