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Question 269 - CLF-C02 discussion

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Which AWS service or feature can be used to control inbound and outbound traffic on an Amazon EC2 instance?

A.
Internet gateways
Answers
A.
Internet gateways
B.
AWS Identity and Access Management (1AM)
Answers
B.
AWS Identity and Access Management (1AM)
C.
Network ACLs
Answers
C.
Network ACLs
D.
Security groups
Answers
D.
Security groups
Suggested answer: D

Explanation:

D is correct because security groups are the AWS service or feature that can be used to control inbound and outbound traffic on an Amazon EC2 instance. Security groups act as a virtual firewall for the EC2 instance, allowing users to specify which protocols, ports, and source or destination IP addresses are allowed or denied. A is incorrect because internet gateways are the AWS service or feature that enable communication between instances in a VPC and the internet. They do not control the traffic on an EC2 instance. B is incorrect because AWS Identity and Access Management (IAM) is the AWS service or feature that enables users to manage access to AWS services and resources securely. It does not control the traffic on an EC2 instance. C is incorrect because network ACLs are the AWS service or feature that provide an optional layer of security for the VPC that acts as a firewall for controlling traffic in and out of one or more subnets. They do not control the traffic on an EC2 instance.

asked 16/09/2024
isaac linares
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