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Question 189 - SAP-C01 discussion

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A user has created a VPC with two subnets: one public and one private. The user is planning to run the patch update for the instances in the private subnet. How can the instances in the private subnet connect to the internet?

A.
The private subnet can never connect to the internet
Answers
A.
The private subnet can never connect to the internet
B.
Use NAT with an elastic IP
Answers
B.
Use NAT with an elastic IP
C.
Use the internet gateway with a private IP
Answers
C.
Use the internet gateway with a private IP
D.
Allow outbound traffic in the security group for port 80 to allow internet updates
Answers
D.
Allow outbound traffic in the security group for port 80 to allow internet updates
Suggested answer: B

Explanation:

A Virtual Private Cloud (VPC) is a virtual network dedicated to the user's AWS account. A user can create a subnet with VPC and launch instances inside that subnet. If the user has created two subnets (one private and one public), they would need a Network Address Translation (NAT) instance with the elastic IP address. This enables the instances in the private subnet to send requests to the internet (for example, to perform software updates).

Reference: http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_Scenario2.html

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asked 16/09/2024
Daniel Kuzmanovski
34 questions
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