Messaging, Queueing, ELB
Compute in the Cloud
EC2
AutoScaling
Potpourri
100

True or False: Amazon SQS is a cloud-based message queuing service that enables you to decouple and scale microservices, distributed systems, and serverless applications. 

True

100

True or False: It is recommended to use AWS ECS to deploy Kubernetes containers in the AWS cloud.

False

100

Which EC2 Purchasing Option should you use for an application you plan on running on a server continuously for 1 year ?

  1. Reserved Instances

  2. Spot Instances

  3. On-demand Instances

  4. Convertible Instances

1. Reserved Instances

100

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?

1. Amazon EC2 AutoScaling

2. Amazon RedShift

3. Amazon ElastiCache

4. Amazon Elastic Load Balancer

1. Amazon EC2 AutoScaling

100

Which of the following is NOT an EC2 instance purchasing Option ?

  1. Spot Instances

  2. Reserved Instances

  3. On-demand Instances

  4. Connect Instances

4. Connect Instances

200

Which AWS service is the best choice for publishing messages to subscribers?

  1. Amazon Simple Queue Service (Amazon SQS)

  2. Amazon EC2 Auto Scaling 

  3. Amazon Simple Notification Service (Amazon SNS)

  4. Elastic Load Balancing

  5. Amazon EC2

3. Amazon Simple Notification Service (Amazon SNS)

200

Which of the following Amazon services is not serverless?

  1. Amazon SNS

  2. Amazon SQS

  3. Amazon EC2

  4. AWS Lambda

3. Amazon EC2

200

Which EC2 Purchasing option can provide the biggest discount, but is not suitable for critical jobs or databases? 

  1. Scheduled Instances

  2. Convertible Instances

  3. Dedicated Hosts

  4. Spot Instances

4. Spot Instances

200

How does Amazon EC2 Auto Scaling help with resiliency?

1. By launching and terminating instances as needed

2. By automating the failover applications

3. By distributing connections to EC2 instances

4. By changing instance types to increase capacity

1. By launching and terminating instances as needed

200

Which cloud computing model deals with services such as EC2 Instances? 

  1. IaaS

  2. PaaS

  3. SaaS

  4. DBaaS

1. IaaS

300

Which statement best describes Elastic Load Balancing? 

1. It translates a domain name into an IP address using DNS 

2. It distributes incoming application traffic across one or more Amazon EC2 instances

3. It automatically adjusts the number of Amazon EC2 instances to support incoming traffic 

4. It collects metrics on connected Amazon EC2 instances 

2. It distributes incoming application traffic across one or more Amazon EC2 instances

300

A company is planning on building an application using the services available on AWS. This application will be stateless in nature, and the service must have the ability to scale according to the demand. Which of the following would be an ideal compute service to use in this scenario?

  1. AWS EC2

  2. AWS Lambda

  3. AWS EKS

2. AWS Lambda

300

How long can you reserve an EC2 Reserved Instance ? 

  1. 1 or 3 years

  2. 2 or 4 years

  3. 6 months or 1 year

  4. Anytime between 1 and 3 years

1. 1 or 3 years

300

Which of the advantages of the cloud listed below is most closely addressed by the capabilities of AWS Auto scaling? 

1. Stop guessing about capacity

2. Benefit from massive economies of scale 

3. Stop sending money running and maintaining data centers 

4. Go global in minutes 

1. Stop guessing about capacity

300

A website needs a minimum of 2 EC2 instances to operate. One day a week, there is more traffic no the website and the system needs an extra EC2 instance to handle the load. Somedays, the traffic doubles and the system needs 2 extra EC2 instances to operate? What should be the settings on the auto-scaling group to support the above scenario, optimized for cost ?

  1. Minimum capacity = 2, Desired Capacity = 4, Max Capacity  = 6

  2. Minimum capacity = 2, Desired Capacity = 3, Max Capacity  = 4

  3. Minimum capacity = 2, Desired Capacity = 3, Max Capacity  = 3

  4. Minimum capacity = 3, Desired Capacity = 3, Max Capacity  = 4

 

2. Minimum capacity = 2, Desired Capacity = 3, Max Capacity  = 4 

400

Which process is an example of Elastic Load Balancing?

1. Ensuring that no single Amazon EC2 instance has to carry the full workload on its own

2. Removing unneeded Amazon EC2 instances when demand is low

3. Adding a second Amazon EC2 instance during an online store's popular sale

4. Automatically adjusting the number of Amazon EC2 instances to meet demand

1. Ensuring that no single Amazon EC2 instance has to carry the full workload on its own

400

A company wants to deploy Kubernetes containers to the AWS Cloud. They also want a highly scalable service which can help manage the orchestration of these containers. Which of the following would be ideal for such a requirement?

 

  1. Use the Amazon Elastic Container Service for Kubernetes (AWS EKS)

  2. Install a custom orchestration tool on EC2 Instances.

  3. Use SQS to orchestrate the messages between docker containers.

  4. Use the Amazon Elastic Container Service for Kubernetes (AWS ECS)

1. Use the Amazon Elastic Container Service for Kubernetes (AWS EKS) 

400

A company would like to deploy a high-performance computing ( HPC) application on EC2. Which EC2 instance type should it choose ?

  1. Compute optimized

  2. Storage Optimized

  3. Memory Optimized

  4. General Purpose

1. Compute Optimized

400

Where can resources be launched when configuring Amazon EC2 Auto Scaling? 

1. Multiple AZs and multiple regions

2. Multiple AZs within a region

3. Multiple VPCs

4. A single subnet

2. Multiple AZs within a region

400

Reserved Instance pricing is available for which of the following AWS services? (Select two)

1. Amazon Elastic Compute Cloud (Amazon EC2)

2. Amazon CloudFront

3. Amazon Simple Storage Service (Amazon S3)

4. AWS Identity & Access Management (IAM)

5. Amazon Relational Database Service (Amazon RDS)

1. Amazon Elastic Compute Cloud (Amazon EC2)

5. Amazon Relational Database Service (Amazon RDS)

500

Which of the following options are the benefits of using AWS Elastic Load 

Balancing (ELB)? (Select TWO)

1. Agility

2. Fault tolerance

3. Storage

4. Less costly

5. High availability

2. Fault tolerance

5. High availability

500

A company plans on deploying a batch processing application in AWS. Which of the following is an ideal way to host this application? Choose 2 answers from the options below. Each answer forms a part of the solution.

 

  1. Copy the batch processing application to an ECS Container.

  2. Create a docker image of your batch processing application.

  3. Deploy the image as an Amazon ECS task.

  4. Deploy the container behind the ELB.

2. Create a docker image of your batch processing application.

3. Deploy the image as an Amazon ECS task.

500

The DevOps team at a Big Data consultancy has set up EC2 instances across two AWS Regions for

its flagship application. Which of the following characterizes this application architecture?

1. Deploying the application across two AWS Regions improves security

2. Deploying the application across two AWS Regions improves agility

3. Deploying the application across two AWS Regions improves availability

4. Deploying the application across two AWS Regions improves scalability

3. Deploying the application across two AWS Regions improves availability

500

In Amazon EC2 Auto-scaling, what TWO approaches are used for scaling: 

  1. Fixed Scaling

  2. Dynamic Scaling

  3. Predictive Scaling

  4. Max capacity Scaling

2. Dynamic Scaling

3. Predictive Scaling

500

Which AWS services can be used together to send alerts whenever the AWS account root user

signs in? (Select two)

1. SNS

2. SQS

3. CloudWatch

4. Step Function

5. Lambda

1. SNS

2. CloudWatch