Review - Chapter 5 AWS Study Guide Test.

Review - Chapter 5 AWS Study Guide Test. 1. Which of the following are required elements of an Auto Scaling group? (Choose 2 answers) A. Minimum size B. Health checks C. Desired capacity D. Launch configuration - CORRECT ANSWER 1. A, D. An Auto Scaling group must have a minimum size and a launch configuration defined in order to be created. Health checks and a desired capacity are optional. 2. You have created an Elastic Load Balancing load balancer listening on port 80, and you registered it with a single Amazon Elastic Compute Cloud (Amazon EC2) instance also listening on port 80. A client makes a request to the load balancer with the correct protocol and port for the load balancer. In this scenario, how many connections does the balancer maintain? A. 1 B. 2 C. 3 D. 4 - CORRECT ANSWER 2. B. The load balancer maintains two separate connections: one connection with the client and one connection with the Amazon EC2 instance. 3. How long does Amazon CloudWatch keep metric data? A. 1 day B. 2 days C. 1 week D. 2 weeks - CORRECT ANSWER 3. D. Amazon CloudWatch metric data is kept for 2 weeks. 4. Which of the following are the minimum required elements to create an Auto Scaling launch configuration? A. Launch configuration name, Amazon Machine Image (AMI), and instance type B. Launch configuration name, AMI, instance type, and key pair C. Launch configuration name, AMI, instance type, key pair, and security group D. Launch configuration name, AMI, instance type, key pair, security group, and block device mapping - CORRECT ANSWER 4. A. Only the launch configuration name, AMI, and instance type are needed to create an Auto Scaling launch configuration. Identifying a key pair, security group, and a block device mapping are optional elements for an Auto Scaling launch configuration. 5. You are responsible for the application logging solution for your company's existing applications running on multiple Amazon EC2 instances. Which of the following is the best approach for aggregating the application logs within AWS? A. Amazon CloudWatch custom metrics B. Amazon CloudWatch Logs Agent C. An Elastic Load Balancing listener D. An internal Elastic Load Balancing load balancer - CORRECT ANSWER 5. B. You can use the Amazon CloudWatch Logs Agent installer on existing Amazon EC2 instances to install and configure the CloudWatch Logs Agent.