CPSC 4440 Cloud Computing Midterm

T/F: AWS owns and maintains the network-connected hardware required for application services, while you provision and use what you need.

T

Which of these are ways to access AWS core services? (Choose Three) a. Technical support calls b. AWS Marketplace c. AWS Management Console d. AWS Command Line Interface (AWS CLI) e. Software Development Kits (SDKs)

The three ways to access AWS core services is with the c. AWS Management Console, d. AWS Command Line Interface, and e. Software Development Kits (SDKs).

Which of the following are elements of an Auto Scaling group? (Choose Three) a. Minimum size b. Health checks c. Desired capacity d. Maximum size

a. Minimum size, c. Desired capacity, d. Maximum size

Which of the following are NOT benefits of AWS Cloud computing? (Choose two) a. Multiple procurement cycles b. High availability c. High latency d. Temporary and disposable resources e. Fault-tolerant databases

a. Multiple procurement cycles and c. High latency are not benefits of AWS Cloud computing

What is defined as the ability for a system to remain operational even if some of the components of that system fail? a. High durability b. Fault tolerance c. High availability d. High durability

b. Fault tolerance

T/F: 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.

F: One of the key benefits of cloud computing is the opportunity to replace upfront capital infrastructure expenses (HARDWARE) with low variable costs that scale with your business.

Which of the following elements are used to create an Amazon EC2 Auto Scaling launch configuration? (Choose Three) a. Amazon Machine Image (AMI) b. Load balancer c. Instance type d. Virtual private cloud (VPC) and subnets e. Amazon Elastic Book Store (Amazon EBS) volumes

a. Amazon Machine Image (AMI), c. Instance type, e. Amazon Elastic Book Store (Amazon EBS) volumes

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)

AWS Trusted Advisor provides insight regarding which five categories of an AWS account? a. Performance, cost optimization, security, fault tolerance, service limits b. Security, access control, high availability, performance, service limits c. Security, fault tolerance, high availability, connectivity, service limits d. Performance, cost optimization, access control, connectivity, security

a. Performance, cost optimization, security, fault tolerance, service limits

In Elastic Load Balancing, when the load balancing detects an unhealthy target, which of the following are true? (Choose three) a. Stops routing traffic to that target b. Triggers an alarm c. Resumes routing traffic when it detects that the target is healthy again d. Resumes routing traffic when manually restarted e. Routes traffic to a healthy target

a. Stops routing traffic to that target, c. Resumes routing traffic when it detects that the target is healthy again, e. Routes traffic to a healthy target

Which design principles are recommended when considering performance efficiency? (Choose Two) a. Use serverless architectures b. Match supply with demand c. Democratize advanced technologies d. Analyze and attribute expenditure e. Enable traceability

a. Use serverless architectures and c. Democratize advanced technologies

Which of the following are the pillars of the AWS Well-Architected Framework? (Choose Three) a. Security b. Persistence c. Operational Excellence d. Cost optimization

a. security, c. operational excellence, d. cost optimization

There is an audit at your company and they need to have a log of all access to AWS resources in the account. Which of the following services can assist in providing these details? a. Amazon CloudWatch b. AWS CloudTrail c. Amazon Elastic Compute Cloud (Amazon EC2) d. Amazon Simple Notification Service (Amazon SNS)

b. AWS CloudTrail

Which of the following AWS tolls help your application scale up or down based on demand? (Choose two) a. Availability Zones b. Amazon EC2 Auto Scaling c. AWS CloudFormation d. Elastic Load Balancing e. AWS Config

b. Amazon EC2 Auto Scaling and d. Elastic Load Balancing

What are the three types of load balancers that Elastic Load Balancing offers? a. Internet Load Balancer b. Application Load Balancer c. Network Load Balancer d. Compute Load Balancer e. Classic Load Balancer f. Auto Scaling Load Balancer

b. Application Load Balancer, c. Network Load Balancer, e. Classic Load Balancer

Economies of scale result from __________. a. Having many different cloud providers b. Having hundreds of thousands of customers aggregated in the cloud c. Having hundreds of cloud services available over the internet d. Having to invest heavily in data centers and servers

b. Having hundreds of thousands of customers aggregated in the cloud

What is the focus of the sustainability pillar of the Well-Architected Framework? a. Designing workloads that recover quickly from failures. b. Minimizing the environmental impacts of running cloud workloads. c. Avoiding unnecessary costs in cloud workloads. d. Automating updates to cloud workloads.

b. Minimizing the environmental impacts of running cloud workloads.

What is the pricing model that enables AWS customers to pay for resources on an as-needed bases? a. Pay as you decommission b. Pay as you go c. Pay as you buy d. Pay as you reserve

b. Pay as you go

Which of these is NOT a benefit of cloud computing over on-premises computing? a. Increasing speed and agility b. Pay for racking, stacking, and powering servers c. Eliminate guessing on your infrastructure capacity needs d. Trade capital expense for variable expense e. Benefit from massive economies of scale

b. Pay for racking, stacking, and powering servers

Which of the following are characteristics of Amazon EC2 Auto Scaling? (Choose three) a. Only supports dynamic scaling b. Responds to changing conditions by adding or terminating instances c. Delivers push notifications d. Launches instances from a specified Amazon Machine Image (AMI) e. Enforces a minimum number of running Amazon EC2 instances

b. Responds to changing conditions by adding or terminating instances, d. Launches instances from a specified Amazon Machine Image (AMI), e. Enforces a minimum number of running Amazon EC2 instances

Which of the following must be configured on an Elastic Load Balancing load balancer to expect incoming traffic? a. A port b. A network interface c. A listener d. An instance

c. A listener

After you move to the AWS Cloud, you want to ensure that the right security settings are put in place. Which online tool can assist in security compliance? a. Amazon Kinesis b. AWS Support c. AWS Trusted Advisor d. Amazon CloudWatch

c. AWS Trusted Advisor

Which of the following is a compute service? a. Amazon VPC b. Amazon S3 c. Amazon EC2 d. Amazon CloudFront e. Amazon Redshift

c. Amazon EC2

Which of the following is a principle when designing cloud-based systems? a. Build tightly-coupled components b. Make infrequent, large batch changes c. Assume everything will fail d. Use as many services as possible

c. Assume everything will fail

Which of the following is a measure of your system's ability to provide functionality when desired by the user? a. Availability b. Fault Tolerance c. Reliability d. Performance efficiency

c. Reliability

Which of these is NOT a cloud computing model? a. Platform as a service b. Infrastructure as a service c. System administration as a service d. Software as a service

c. System administration as a service

Which of the following is not one of the four areas of the performance efficiency pillar of the AWS Well-Architected Framework? a. Tradeoffs b. Selection c. Traceability d. Monitoring

c. Traceability

Which of the following best describes a system that can withstand some measures of degradation, experiences minimal downtime, and requires minimal human intervention? a. Scalable b. Fault-tolerant c. Elastic d. Highly available

d. A Highly available system is always available, without the need for human intervention

Which of the following services can help you collect important metrics from Amazon Relational Database Service (Amazon RDS) and Amazon Elastic Compute Cloud (Amazon EC2) instances? a. Amazon CloudFront b. Amazon CloudSearch c. Amazon CloudWatch d. AWS CloudTrail e. Amazon EC2 Auto Scaling

d. AWS CloudWatch is a monitoring service for AWS cloud resources and the applications you run on AWS

What are the advantages of cloud computing over computing on-premises? (best answer) a. Avoid large capital purchases b. Use on-demand capacity c. Go global in minutes d. Increase speed and agility e. All of the above

e. All of the above