If I have multiple Read Replicas for my master DB Instance and I promote one of them, what happens to the rest of the Read Replicas?
Correct Answer:
A
If a source DB instance has several Read Replicas, promoting one of the Read Replicas to a DB instance has no effect on the other replicas.
You've been brought in as solutions architect to assist an enterprise customer with their migration of an e-commerce platform to Amazon Virtual Private Cloud (VPC) The previous architect has already
deployed a 3-tier VPC,
The configuration is as follows:<>
Correct Answer:
A
Create NAT instance in public subnet which is web server subnet (suDnet-258Dc44d) and add route (rtD-238Dc44D) from private subnet (database subnet-9189c6f9) to the public NAT one to
retrieve the updates.
You are running a web application with four Amazon EC2 instances across two Availability Zones. The instances are in an Auto Scaling group behind an ELB Classic Load Balancer. A scaling event adds one instance to the group. After the event, you notice that, although all instances are serving traffic,
some instances are serving more traffic than others. Which of the following could be the problem?
Correct Answer:
A
Can I encrypt connections between my application and my DB Instance using SSL?
Correct Answer:
B
Which of the following services can receive an alert from CloudWatch?
Correct Answer:
C
AWS Auto Scaling and Simple Notification Service (SNS) work in conjunction with CloudWatch. CloudWatch can send alerts to the AS policy or to the SNS end points. http://docs.aws.amazon.com/AmazonCloudWatch/latest/DeveloperGuide/related_services.html