You work for an online retailer where any downtime at all can cause a significant loss of revenue. You have architected your application to be deployed on an Auto Scaling Group of EC2 instances behind a load balancer. You have configured and deployed these resources using a CloudFormation template. The Auto Scaling Group is configured with default settings and a simple CPU utilization scaling policy. You have also set up multiple Availability Zones for high availability. The load balancer does health checks against an HTML file generated by script. When you begin performing load testing on your application and notice in CloudWatch that the load balancer is not sending traffic to one of your EC2 instances. What could be the problem?

AWS Certified Solutions Architect - Associate (SAA-C03) - 1

Quiz
•
Computers
•
1st Grade
•
Medium
José Diaz
Used 10+ times
FREE Resource
65 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The EC2 instance has failed the load balancer health check.
The instance has not been registered with CloudWatch.
The EC2 instance has failed EC2 status checks.
You are load testing at a moderate traffic level and not all instances are needed.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Your company has performed a Disaster Recovery drill which failed to meet the Recovery Time Objective (RTO) desired by executive management. The failure was due in large part to the amount of time taken to restore proper functioning on the database side. You have given management a recommendation of implementing synchronous data replication for the RDS database to help meet the RTO. Which of these options can perform synchronous data replication in RDS?
RDS Multi-AZ
Read replicas
DAX
AWS Database Migration Service
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
You work for an advertising company that has a real-time bidding application. You are also using CloudFront on the front end to accommodate a worldwide user base. Your users begin complaining about response times and pauses in real-time bidding. What is the best service that can be used to reduce DynamoDB response times by an order of magnitude (milliseconds to microseconds)?
CloudFront Edge Caches
ElastiCache
DynamoDB Auto Scaling
DAX
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
You work for a large healthcare provider as an AWS lead architect. There is a need to collect data in real-time from devices throughout the organization. The data will include log and event data from sources such as servers, desktops, and mobile devices. The data initially captured will be technical device data, but the goal is to expand the effort to collecting clinical data in real-time from handheld devices used by nurses and doctors. Which AWS service best meets this requirement?
Kinesis Video Streams
AWS Lambda
AWS Redshift
Kinesis Data Streams
5.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
A new startup is considering the advantages of using Amazon DynamoDB versus a traditional relational database in AWS RDS. The NoSQL nature of DynamoDB presents a small learning curve to the team members who all have experience with traditional databases. The company will have multiple databases, and the decision will be made on a case-by-case basis. Which of the following use cases would favor Amazon DynamoDB?
(Choose3)
Strong referential integrity between tables
Managing web session data
Storing metadata for S3 objects
Storing binary large object (BLOB) data
High-performance reads and writes for online transaction processing (OLTP) workloads
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
After an IT Steering Committee meeting, you have been put in charge of configuring a hybrid environment for the company’s compute resources. You weigh the pros and cons of various technologies, such as VPN and Direct Connect, and based on the requirements you have decided to configure a VPN connection. What features and advantages can a VPN connection provide?
It provides a network connection between two VPCs that can route traffic using IPv4 or IPv6.
It provides a cost-effective, private network connection that bypasses the internet.
It provides a connection between an on-premises network and a VPC, using a secure and private connection with IPsec and TLS.
It provides a private, dedicated network connection between an on-premises network and the VPC.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
You are designing a new application for a social media gaming company and they want to be able to use people’s facebook account to login and to sign up to the new app. They’ve asked that you use Cognito to achieve this. However, management wants to know the steps involved for user authentication. Which of the steps below is the correct order to authenticate with Cognito?
Step 1 - Exchange tokens and get AWS credentials. Step 2 - Access AWS services using credentials. Step 3 - Authenticate and get tokens.
Step 1 - Authenticate and get tokens. Step 2 - Exchange tokens and get AWS credentials. Step 3 - Access AWS services using credentials.
Step 1 - Access AWS services using credentials. Step 2 - Exchange tokens and get AWS credentials. Step 3 - Authenticate and get tokens.
Step 1 - Exchange tokens and get AWS credentials. Step 2 - Authenticate and get tokens. Step 3 - Access AWS services using credentials.
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