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Question 118 - SAP-C01 discussion

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An organization is setting up a highly scalable application using Elastic Beanstalk. The organization is using ELB and RDS with VPC. The organization has public and private subnets within the cloud. Which of the below mentioned configurations will not work in this scenario?

A.
To setup RDS in a private subnet and ELB in a public subnet.
Answers
A.
To setup RDS in a private subnet and ELB in a public subnet.
B.
The configuration must have public and private subnets in the same AZ.
Answers
B.
The configuration must have public and private subnets in the same AZ.
C.
The configuration must have two private subnets in separate AZs.
Answers
C.
The configuration must have two private subnets in separate AZs.
D.
The EC2 instance should have a public IP assigned to it.
Answers
D.
The EC2 instance should have a public IP assigned to it.
Suggested answer: D

Explanation:

The Amazon Virtual Private Cloud (Amazon VPC) allows the user to define a virtual networking environment in a private, isolated section of the Amazon Web Services (AWS) cloud. The user has complete control over the virtual networking environment. If the organization is planning to implement a scalable secure application using RDS, VPC and ELB the organization should follow below mentioned configurations:

Setup RDS in a private subnet Setup ELB in a public subnet

Since RDS needs a subnet group, the organization should have two private subnets in the same zone The ELB needs private and public subnet to be part of same AZs It is not required that instances should have a public IP assigned to them. The instances can be a part of a private subnet and the organization can setup a corresponding routing mechanism.

Reference: http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/vpc-rds.html

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asked 16/09/2024
Dinu Jose Varghese
38 questions
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