AWS Certified Cloud Practitioner: Test 2 Flashcards
Which service provides visibility into user activity by recording actions taken on your account? A.Amazon CloudTrail B.Amazon CloudHSM C.Amazon CloudWatch D.Amazon CloudFormation
A.Amazon CloudTrail
Explanation:
CloudTrail is a web service that records activity made on your account and delivers log files to an Amazon S3 bucket. CloudTrail records API activity. CloudTrail is used for auditing whereas CloudWatch is used for performance monitoring.
CORRECT: “Amazon CloudTrail” is the correct answer.
INCORRECT: “Amazon CloudWatch” is incorrect. CloudWatch is used for performance monitoring.
INCORRECT: “Amazon CloudFormation” is incorrect. CloudFormation is used for deploying infrastructure through code
INCORRECT: “Amazon CloudHSM” is incorrect. CloudHSM is a hardware security module for generating, managing and storing encryption keys.
Which AWS-managed service can be used to process vast amounts of data using a hosted Hadoop framework? A.Amazon Redshift B.Amazon DynamoDB C.Amazon Athena D.Amazon EMR
D.Amazon EMR
Explanation:
Amazon Elastic Map Reduce (EMR) is a web service that enables businesses, researchers, data analysts, and developers to easily and cost-effectively process vast amounts of data. EMR utilizes a hosted Hadoop framework running on Amazon EC2 and Amazon S3.
CORRECT: “Amazon EMR” is the correct answer.
INCORRECT: “Amazon DynamoDB” is incorrect. DynamoDB is not a hosted Hadoop framework, it is a no-SQL database.
INCORRECT: “Amazon Athena” is incorrect. Amazon Athena is a serverless, interactive query service to query data and analyze big data in Amazon S3 using standard SQL
INCORRECT: “Amazon Redshift” is incorrect. Amazon Redshift is a fast, simple, cost-effective data warehousing service.
Which AWS service or feature allows a company to receive a single monthly AWS bill when using multiple AWS accounts? A.Consolidating billing B.AWS Cost and Usage Report C.Amazon Cloud Directory D.AWS Cost explorer
A.Consolidating billing
Explanation;
You can use the consolidated billing feature in AWS Organizations to consolidate billing and payment for multiple AWS accounts or multiple Amazon Internet Services Pvt. Ltd (AISPL) accounts. Every organization in AWS Organizations has a master (payer) account that pays the charges of all the member (linked) accounts.
Consolidated billing has the following benefits:
- One bill – You get one bill for multiple accounts.
- Easy tracking – You can track the charges across multiple accounts and download the combined cost and usage data.
- Combined usage – You can combine the usage across all accounts in the organization to share the volume pricing discounts, Reserved Instance discounts, and Savings Plans. This can result in a lower charge for your project, department, or company than with individual standalone accounts.
- No extra fee – Consolidated billing is offered at no additional cost.
CORRECT: “Consolidated billing” is the correct answer.
INCORRECT: “Amazon Cloud Directory” is incorrect. Cloud Directory is used for creating cloud-native directories. This is not related to billing.
INCORRECT: “AWS Cost Explorer” is incorrect. AWS Cost Explorer has an easy-to-use interface that lets you visualize, understand, and manage your AWS costs and usage over time. It does not centralize billing.
INCORRECT: “AWS Cost and Usage report” is incorrect. The AWS Cost & Usage Report lists AWS usage for each service category used by an account and its IAM users in hourly or daily line items, as well as any tags that you have activated for cost allocation purposes.
Which of the following security operations tasks must be performed by AWS customers? (Select TWO.)
A.Installing security updates for server firmware
B.Issuing data center access keycards
C.Installing security updates on EC@ instances
D.Enabling multi-factor authentiucation (MFA) for privleged users
C.Installing security updates on EC@ instances
D.Enabling multi-factor authentiucation (MFA) for privleged users
Explanation
The customer is responsible for installing security updates on EC2 instances and enabling MFA. AWS is responsible for security of the physical data center and the infrastructure upon which customer services run.
CORRECT: “Installing security updates on EC2 instances” is a correct answer.
CORRECT: “Enabling multi-factor authentication (MFA) for privileged users” is also a correct answer.
INCORRECT: “Collecting syslog messages from physical firewalls” is incorrect as this is an AWS responsibility.
INCORRECT: “Issuing data center access keycards” is incorrect as this is an AWS responsibility.
INCORRECT: “Installing security updates for server firmware” is incorrect as this is an AWS responsibility.
Which AWS service should a Cloud Practitioner use to establish a secure network connection between an on-premises network and AWS? A.Amazon Virtual Private Cloud (VPC) B.Amazon Web Application Firewall (WAF) C.Virtual Private Network D.AWS Mobile Hub
C.Virtual Private Network
AWS Virtual Private Network solutions establish secure connections between your on-premises networks, remote offices, client devices, and the AWS global network.
CORRECT: “Virtual Private Network” is the correct answer.
INCORRECT: “AWS Mobile Hub” is incorrect. This service is used for building, testing, and monitoring mobile applications that make use of one or more AWS services.
INCORRECT: “AWS Web Application Firewall (WAF)” is incorrect. This service is used for protecting against common web exploits.
INCORRECT: “Amazon Virtual Private Cloud (VPC)” is incorrect. This is a virtual network in the cloud. You connect your AWS VPN to your Amazon VPC.
Which of the following should be used to improve the security of access to the AWS Management Console? (Select TWO.)
A. Security group rules
B.Strong password policies
C.AWS multi-Factor Authentication(AWS MFA)
D.AWS Certificate Manager
E.AWS Secret Manager
B.Strong password policies
C.AWS multi-Factor Authentication(AWS MFA)
Epxplanation;
For extra security, AWS recommends that you require multi-factor authentication (MFA) for all users in your account. With MFA, users have a device that generates a response to an authentication challenge.
Both the user’s credentials (something you know) and the device-generated response (something you have) are required to complete the sign-in process. If a user’s password or access keys are compromised, your account resources are still secure because of the additional authentication requirement.
Additionally, strong password policies should be used to enforce measures including minimum password length, complexity, and password reuse restrictions.
CORRECT: “AWS Multi-Factor Authentication (AWS MFA)” is a correct answer.
CORRECT: “Strong password policies” is also a correct answer.
INCORRECT: “AWS Secrets Manager” is incorrect. This service enables you to easily rotate, manage, and retrieve database credentials, API keys, and other secrets throughout their lifecycle.
INCORRECT: “AWS Certificate Manager” is incorrect. This service is used for creating SSL/TLS certificates for use with HTTPS connections.
INCORRECT: “Security group rules” is incorrect as these are used to restrict traffic to/from your EC2 instances.
An eCommerce company plans to use the AWS Cloud to quickly deliver new functionality in an iterative manner, minimizing the time to market.
Which feature of the AWS Cloud provides this functionality?
A.Cost effectiveness
B.Fault tolerance
C.Elasticity
D.Agility
D.Agility
Explanation:
In a cloud computing environment, new IT resources are only a click away, which means that you reduce the time to make those resources available to your developers from weeks to just minutes.
This results in a dramatic increase in agility for the organization, since the cost and time it takes to experiment and develop is significantly lower.
CORRECT: “Agility” is the correct answer.
INCORRECT: “Elasticity” is incorrect. Elasticity enables infrastructure to scale based on demand and helps applications perform and be cost effective. It does not reduce time to market.
INCORRECT: “Fault tolerance” is incorrect as this is involved with ensuring applications stay available in the event of a fault.
INCORRECT: “Cost effectiveness” is incorrect. The AWS Cloud can be cost effective but this is not the benefit that allows faster time to market.
An application stores images which will be retrieved infrequently, but must be available for retrieval immediately. Which is the most cost-effective storage option that meets these requirements?
A.Amazon S3 Standard
B.Amazon Glacier with expedited retrievals
C.Amazon S3 Standard-Infrequent Access
D.Amazon EFS
C.Amazon S3 Standard-Infrequent Access
Explanation:
Amazon S3 Standard-Infrequent Access is the most cost-effective choice. It provides immediate access and is suitable for this use case as it is lower cost than S3 standard. Note that you must pay a fee for retrievals which is why you would only use this tier for infrequent access use cases.
CORRECT: “Amazon S3 Standard-Infrequent Access” is the correct answer.
INCORRECT: “Amazon Glacier with expedited retrievals” is incorrect. Amazon Glacier with expedited retrievals is fast (1-5 minutes) but not immediate.
INCORRECT: “Amazon EFS” is incorrect. Amazon EFS is a high-performance file system and not ideally suited to this scenario, it is also not the most cost-effective option.
INCORRECT: “Amazon S3 Standard” is incorrect. Amazon S3 Standard provides immediate retrieval but is not less cost-effective compared to Standard-Infrequent access.
Which AWS service helps customers meet corporate, contractual, and regulatory compliance requirements for data security by using dedicated hardware appliances within the AWS Cloud? A.AWS Directory Service B.AWS Key Management Service (AWS KMS) C.AWS Secret manager D.AWS CloudHSM
D.AWS CloudHSM
Explanation:
The AWS CloudHSM service helps you meet corporate, contractual, and regulatory compliance requirements for data security by using dedicated Hardware Security Module (HSM) instances within the AWS cloud. AWS CloudHSM enables you to easily generate and use your own encryption keys on the AWS Cloud.
CORRECT: “AWS CloudHSM” is the correct answer.
INCORRECT: “AWS Secrets Manager” is incorrect. AWS Secrets Manager enables you to easily rotate, manage, and retrieve database credentials, API keys, and other secrets throughout their lifecycle.
INCORRECT: “AWS Key Management Service (AWS KMS)” is incorrect. This service is also involved with creating and managing encryption keys but does not use dedicated hardware.
INCORRECT: “AWS Directory Service” is incorrect. AWS Directory Service for Microsoft Active Directory, also known as AWS Managed Microsoft AD, enables your directory-aware workloads and AWS resources to use managed Active Directory in the AWS Cloud
A company is planning to migrate some resources into the cloud. What factors need to be considered when determining the cost of the AWS Cloud? (Select TWO.)
A. The amount of ingress data per month
B.The number of VPC’s created
C.The number of servers migrated into EC2
D.The number of IAM users created
C.The number of servers migrated into EC2
Explanation
There are three fundamental drivers of cost with AWS: compute, storage, and outbound data transfer. These characteristics vary somewhat, depending on the AWS product and pricing model you choose.
In most cases, there is no charge for inbound data transfer or for data transfer between other AWS services within the same region. However, there are some exceptions.
CORRECT: “The number of servers migrated into EC2” is a correct answer.
CORRECT: “The amount of egress data per month” is also a correct answer.
INCORRECT: “The number of VPCs created” is incorrect as you are not charged for VPCs.
INCORRECT: “The number of IAM users created” is incorrect as you are not charged for IAM.
INCORRECT: “The amount of ingress data per month” is incorrect as you are not charged for data ingress.
What is a Resource Group?
A.A collection of services within a category
B.A collection of services within a region
C.A collection for resources that share one or more tags
D. A collection of resources within a VPC
C.A collection for resources that share one or more tags
Explanation:
A resource group is a collection of resources that share one or more tags or portions of tags. To create a resource group, you simply identify the tags that contain the items that members of the group should have in common.
CORRECT: “A collection of resources that share one or more tags” is the correct answer.
INCORRECT: “A collection of resources within a VPC” is incorrect.
INCORRECT: “A collection of services within a category” is incorrect.
INCORRECT: “A collection of services within a region” is incorrect.
What can a Cloud Practitioner do with the AWS Cost Management tools? (Select TWO.)
A.Automatically modify EC2 instances to use Spot pricing to reduce costs
B.Terminate EC2 instances automatically if budgeted thresholds are exceeded
C.Archive data to Amazon Glacier if it not accessed for a configured period of time
D.Create budgets and receive notifications if current or forecasted usage exceeds the budget
D.Create budgets and receive notifications if current or forecasted usage exceeds the budget
Explanation:
AWS Cost Explorer has an easy-to-use interface that lets you visualize, understand, and manage your AWS costs and usage over time. It can be used to visualize AWS costs by day, service, and linked AWS account.
AWS Budgets can be used to receive notifications if current or forecasted usage exceeds the budgets.
CORRECT: “Visualize AWS costs by day, service, and linked AWS account” is a correct answer.
CORRECT: “Create budgets and receive notifications if current or forecasted usage exceeds the budgets” is also a correct answer.
INCORRECT: “Terminate EC2 instances automatically if budget thresholds are exceeded” is incorrect. The cost management tools can alert on budget breaches but they do not directly terminate instances.
INCORRECT: “Automatically modify EC2 instances to use Spot pricing to reduce costs” is incorrect. The cost management tools cannot modify the pricing model of EC2 instances.
INCORRECT: “Archive data to Amazon Glacier if it is not accessed for a configured period of time” is incorrect. Use lifecycle rules in Amazon S3 to automatically move data between storage classes.
What features does Amazon RDS provide to deliver scalability, availability and durability? (Select TWO.) A.DB Mirroring B.Multi-AZ C.Read Replicas DD.Multi-Subnet E.Clutstering
B.Multi-AZ
C.Read Replicas
Explanation:
Multi-AZ RDS creates a replica in another AZ and synchronously replicates to it (DR only). Read replicas are used for read heavy DBs and replication is asynchronous. With a read replica you direct your database queries to the read replica and this offloads pressure from the main database.
CORRECT: “Multi-AZ” is a correct answer.
CORRECT: “Read Replicas” is also a correct answer.
INCORRECT: “DB mirroring” is incorrect as it is not offered by RDS.
INCORRECT: “Clustering” is incorrect as this is not offered by RDS.
INCORRECT: “Multi-Subnet” is incorrect as this is not offered by RDS
Which Amazon EC2 pricing model should be avoided if a workload cannot accept interruption if capacity becomes temporarily unavailable? A.Convertible Reserved Instances B.Standard Reserved Instabnces C.On-demand instances D.Spot instances
D.Spot instances
Explanation;
Amazon EC2 Spot Instances let you take advantage of unused EC2 capacity in the AWS cloud. Spot Instances are available at up to a 90% discount compared to On-Demand prices.
The downside is that if capacity becomes temporarily unavailable, your instances may be terminated.
CORRECT: “Spot Instances” is the correct answer.
INCORRECT: “On-Demand Instances” is incorrect. On-demand instances are not subject to interruption if capacity becomes temporarily unavailable.
INCORRECT: “Standard Reserved Instances” is incorrect. Reserved instances are not subject to interruption if capacity becomes temporarily unavailable
INCORRECT: “Convertible Reserved Instances” is incorrect. Reserved instances are not subject to interruption if capacity becomes temporarily unavailable.
Which of the statements below is correct in relation to Consolidated Billing? (Select TWO.)
A. You are charged a fee per user
B.You can combine usage and share volume pricing discounts
C.You pay a fee per linked account
D.You receive one bill per AWS accoount
E.You receive single bill for multiple accounts
B.You can combine usage and share volume pricing discounts
E.You receive single bill for multiple accounts
Exaplantion:
Consolidated billing has the following benefits:
One bill – You get one bill for multiple accounts.
Easy tracking – You can track the charges across multiple accounts and download the combined cost and usage data.
Combined usage – You can combine the usage across all accounts in the organization to share the volume pricing discounts and Reserved Instance discounts. This can result in a lower charge for your project, department, or company than with individual standalone accounts.
CORRECT: “You receive a single bill for multiple accounts” is a correct answer.
CORRECT: “You can combine usage and share volume pricing discounts” is also a correct answer.
INCORRECT: “You receive one bill per AWS account” is incorrect as you receive a single bill for multiple accounts.
INCORRECT: “You pay a fee per linked account” is incorrect as you do not pay a fee.
INCORRECT: “You are charged a fee per user” is incorrect as you do not pay a fee.
Which benefits can a company immediately realize using the AWS Cloud? (Select TWO.)
A.User control of physical infrastructure
B.Capital expenses are replaced with variable expenses
C.Increased agility
D.No responsibility for security
E.Variable expenses are replaced with capital expenses
B.Capital expenses are replaced with variable expenses
C.Increased agility
Explanation:
A couple of the benefits that companies will realize immediately when using the AWS Cloud are increased agility and a change from capital expenditure to variable operational expenditure.
Agility is enabled through the flexibility of cloud services and the ease with which applications can be deployed, scaled, and managed. When using cloud services you pay for what you use and this is a variable, operational expense which can be beneficial to company cashflow.
CORRECT: “Capital expenses are replaced with variable expenses” is a correct answer.
CORRECT: “Increased agility” is also a correct answer.
INCORRECT: “Variable expenses are replaced with capital expenses” is incorrect. This is the wrong way around, capital expenses are replaced with variable expenses.
INCORRECT: “User control of physical infrastructure” is incorrect. This is not true, you do not get control of the physical infrastructure.
INCORRECT: “No responsibility for security” is incorrect. This is not true, you are still responsible for “security in the cloud”.
What is the function of Amazon EC2 Auto Scaling?
A.Automatically updates the EC2 pricing model, based on demand
B.Automatically modifies the network throughput of the EC2 instances, based on demand
C.Scales the size of EC2 instances up or down automatically based on demand
D.Scales the number of EC2 instances in or out automatically, based on demand
D.Scales the number of EC2 instances in or out automatically, based on demand
Explanation;
Amazon EC2 Auto Scaling helps you maintain application availability and allows you to automatically add or remove EC2 instances according to conditions you define. You can use the fleet management features of EC2 Auto Scaling to maintain the health and availability of your fleet. You can also use the dynamic and predictive scaling features of EC2 Auto Scaling to add or remove EC2 instances.
CORRECT: “Scales the number of EC2 instances in or out automatically, based on demand.” is the correct answer.
INCORRECT: “Scales the size of EC2 instances up or down automatically, based on demand.” is incorrect. Auto Scaling adjusts the number of EC2 instances, not the size of EC2 instances.
INCORRECT: “Automatically updates the EC2 pricing model, based on demand.” is incorrect. Auto Scaling does not change pricing models
INCORRECT: “Automatically modifies the network throughput of EC2 instances, based on demand.” is incorrect. Auto Scaling does not modify network throughput for instances.
Which AWS service can be used to run Docker containers? A.AWS Lambda B.Amazon ECR C.Amazon ECS D.Amazon AMI
C.Amazon ECS
Explanation:
Amazon Elastic Container Service (ECS) is a highly scalable, high performance container management service that supports Docker containers and allows you to easily run applications on a managed cluster of Amazon EC2 instances.
CORRECT: “Amazon ECS” is the correct answer.
INCORRECT: “AWS Lambda” is incorrect. AWS Lambda is a serverless technology that lets you run code in response to events as functions
INCORRECT: “Amazon ECR” is incorrect. Amazon Elastic Container Registry (ECR) is a fully-managed Docker container registry that makes it easy for developers to store, manage, and deploy Docker container images
INCORRECT: “Amazon AMI” is incorrect. Amazon Machine Images (AMI) store configuration information for Amazon EC2 instances.
You need to implement a hosted queue for storing messages in transit between application servers. Which service should you use? A.Amazon SQS B.Amazon DynamoDB C.Amazon SNS D.Amazon SWF
A.Amazon SQS
Explanation:
Amazon Simple Queue Service (Amazon SQS) is a web service that gives you access to message queues that store messages waiting to be processed. SQS offers a reliable, highly-scalable, hosted queue for storing messages in transit between computers. SQS is used for distributed/decoupled application.
CORRECT: “Amazon SQS” is a correct answer.
INCORRECT: “Amazon SNS” is incorrect. Amazon Simple Notification Service (SNS) is a highly available, durable, secure, fully managed pub/sub messaging service that enables you to decouple microservices, distributed systems, and serverless applications.
INCORRECT: “Amazon DynamoDB” is incorrect. Amazon DynamoDB is a nonrelational database that delivers reliable performance at any scale.
INCORRECT: “Amazon SWF” is incorrect. Amazon SWF helps developers build, run, and scale background jobs that have parallel or sequential steps.
A user has limited knowledge of AWS services, but wants to quickly deploy a scalable Node.js application in an Amazon VPC.
Which service should be used to deploy the application? A.Amazon LightSail B.AWS Elastic Beanstalk C.AWS CloudFormation D.Amazon EC2
B.AWS Elastic Beanstalk
Explanation;
AWS Elastic Beanstalk is an easy-to-use service for deploying and scaling web applications and services developed with Java, .NET, PHP, Node.js, Python, Ruby, Go, and Docker on familiar servers such as Apache, Nginx, Passenger, and IIS.
You can simply upload your code and Elastic Beanstalk automatically handles the deployment, from capacity provisioning, load balancing, auto-scaling to application health monitoring. At the same time, you retain full control over the AWS resources powering your application and can access the underlying resources at any time.
CORRECT: “AWS Elastic Beanstalk” is the correct answer.
INCORRECT: “Amazon LightSail” is incorrect. LightSail is a good service to use when you don’t have good knowledge of AWS. However, you cannot deploy a scalable node.js application into a VPC.
INCORRECT: “AWS CloudFormation” is incorrect. CloudFormation is used for automating the deployment of infrastructure resources in AWS.
INCORRECT: “Amazon EC2” is incorrect. This would require more expertise that using Elastic Beanstalk.
What type of database is fully managed and can be scaled without incurring downtime? A. Amazon S3 B.Amazon ElastiCache C.Amazon RDS D.Amazon DynamoDB
D.Amazon DynamoDB
Explanation
Amazon DynamoDB is fully managed and can be scaled without incurring downtime. DynamoDB scales horizontally and it does so seamlessly.
Both RDS and ElastiCache use EC2 instances and therefore scaling (vertically) requires downtime.
CORRECT: “Amazon DynamoDB” is the correct answer.
INCORRECT: “Amazon RDS” is incorrect as it must be scaled vertically and this requires downtime.
INCORRECT: “Amazon S3” is incorrect. S3 is not a fully managed database, it is an object store.
INCORRECT: “Amazon ElastiCache” is incorrect as it must be scaled vertically and this requires downtime.
You need to ensure you have the right amount of compute available to service demand. Which AWS service can automatically scale the number of EC2 instances for your application? A.Amazon RedShift B.Amazon EC2 Auto Scaling C.Amazon Elastic Load balancer D.Amazon ElastiCache
B.Amazon EC2 Auto Scaling
Explanation:
Auto Scaling automates the process of adding (scaling up) OR removing (scaling down) EC2 instances based on the traffic demand for your application.
CORRECT: “Amazon EC2 Auto Scaling” is the correct answer.
INCORRECT: “Amazon Elastic Load Balancer” is incorrect. ELB automatically distributes incoming application traffic across multiple targets, such as Amazon EC2 instances, containers, and IP addresses.
INCORRECT: “Amazon ElastiCache” is incorrect. Amazon ElastiCache offers fully managed Redis and Memcached database services.
INCORRECT: “Amazon RedShift” is incorrect. Amazon Redshift is a fast, scalable data warehouse that makes it simple and cost-effective to analyze all your data across your data warehouse and data lake.
A Cloud Practitioner wants to configure the AWS CLI for programmatic access to AWS services. Which credential components are required? (Select TWO.) A.An IAM Role B.A public key C.A private key D.An access key ID E.A secret access key
D.An access key ID
E.A secret access key
Explanation;
Access keys are long-term credentials for an IAM user or the AWS account root user. You can use access keys to sign programmatic requests to the AWS CLI or AWS API (directly or using the AWS SDK).
Access keys consist of two parts: an access key ID (for example, AKIAIOSFODNN7EXAMPLE) and a secret access key (for example, wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY).
Like a user name and password, you must use both the access key ID and secret access key together to authenticate your requests. Manage your access keys as securely as you do your user name and password.
CORRECT: “An access key ID” is a correct answer.
CORRECT: “A secret access key” is also a correct answer.
INCORRECT: “A public key” is incorrect. Public/private keys are used for encryption and are also associated with the key pairs used to authenticate to EC2 instances.
INCORRECT: “A private key” is incorrect. Public/private keys are used for encryption and are also associated with the key pairs used to authenticate to EC2 instances.
INCORRECT: “An IAM Role” is incorrect. IAM Roles are not used for configuring the CLI for programmatic access. They can be used for delegating access to AWS services and cross-account access.
Which AWS support plans provide support via email, chat and phone? (Select TWO.) A.basic B.Global C.Developer D.Business E.Enterprise
D.Business
E.Enterprise
Explanation:
Only the business and enterprise plans provide support via email, chat and phone.
CORRECT: “Business” is the correct answer.
CORRECT: “Enterprise” is the correct answer.
INCORRECT: “Basic” is incorrect does not provide support via email, chat and phone.
INCORRECT: “Developer” is incorrect only provides email support.
INCORRECT: “Global” is incorrect is not a support plan offered by AWS.
An application has highly dynamic usage patterns. Which characteristics of the AWS Cloud make it cost-effective for this type of workload? (Select TWO.) A.Elasticity B.High availability C.Strict security D.Pay-as-you-go pricing E.Reliability
A.Elasticity
D.Pay-as-you-go pricing
Explanation:
AWS is a cost-effective for dynamic workloads because it is elastic, meaning your workload can scale based on demand. And because you only pay for what you use (pay-as-you-go pricing).
CORRECT: “Elasticity” is the correct answer.
CORRECT: “Pay-as-you-go pricing” is the correct answer.
INCORRECT: “High availability” is incorrect. This is not a characteristic that results in cost-effectiveness.
INCORRECT: “Strict security” is incorrect. This is not a characteristic that results in cost-effectiveness.
INCORRECT: “Reliability” is incorrect. This is not a characteristic that results in cost-effectiveness.
Which items should be included in a TCO analysis comparing on-premise to AWS Cloud? (Select TWO.) A.Operating system patching B.Application licensing C.Data center security D.Compute hardware E.Firewall management
C.Data center security
D.Compute hardware
Explanation:
You need to identify the items that have a cost on-premise and that will be rolled into the service in the cloud. Compute hardware costs and data center security costs will be rolled in the service cost in the cloud so you need to include them in the model so you can really understand the true TCO on-premise vs. the cloud.
Firewall management, application licensing and operating system patching need to be paid for on-premise and in the cloud so there is little difference.
CORRECT: “Compute hardware” is a correct answer.
CORRECT: “Data center security” is also a correct answer.
INCORRECT: “Firewall management” is incorrect as explained above.
INCORRECT: “Application licensing” is incorrect as explained above.
INCORRECT: “Operating system patching” is incorrect as explained above.
