Day 9: ELB & ASG p2

ELB health checks may be (choose 3)

• A ping
• A key pair verification
• A connection attempt
• A page request
• EC2 instance status check

You want to create a custom application-based cookie in your ALB. Which of the following you can use as a cookie name?

• AWSALB
• AWSALBAPP
• AWSALBTG
• APPCOOKIE

When an EC2 instance registered with an ELB using connection draining is deregistered or unhealthy, which of the following will happen? (Choose 2)

• Immediately close all existing connections to that instance.
• Keep the connections open to that instance, and attempt to complete in-flight requests.

• Redirect the requests to a user-defined error page
• Forcibly close all connections to that instance after a timeout period.
• Leave the connections open as long as the load balancer is running

Which Protocol is NOT supported by ELB ?

• HTTP
• HTTPS
• TCP
• SSL
• NFS

Which one is NOT a configuration of an ELB ?

• cross-zone load balancing
• connection draining
• sticky sessions
• health checks
• maximum number of instances

Elastic Load Balancing allows you to distribute traffic across which of the following?

• Only within a single AZ
• Multi AZ within a Region
• Multi AZ within and between Regions

Your web application front end consists of multiple EC2 instances behind an ELB. You have configured the load balancer to perform health checks on these instances. If an instance fails to pass health checks, which statement will be true?

• The instance is replaced automatically by the load balancer.
• The instance is terminated automatically by the load balancer
• The load balancer stops sending traffic to the instance that failed its health check.
• he instance is quarantined by the load balancer for root cause analysis

Application Load Balancers provide a ___

• static IPv4
• static IPv6
• DNS name

You are required to design an architecture for a high-performance, low-latency application that will receive millions of requests per second. Which type of ELB should you choose?

• ALB
• CLB
• NLB

You are running a website on 10 EC2 instances fronted by an ALB. Your users are complaining about the fact that the website always asks them to re-authenticate when they are moving between website pages. What could be the solution ?

• enable cross-zone load balancing
• enable sticky sessions
• enable health checks
• enable SSL termination