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Question 638 - CLF-C02 discussion

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A company needs a firewall that will control network connections to and from a single Amazon EC2 instance. This firewall will not control network connections to and from other instances that are in the same subnet.

Which AWS service or feature can the company use to meet these requirements?

A.
Network ACL
Answers
A.
Network ACL
B.
AWS WAF
Answers
B.
AWS WAF
C.
Route table
Answers
C.
Route table
D.
Security group
Answers
D.
Security group
Suggested answer: D

Explanation:

A Security Group acts as a virtual firewall for your Amazon EC2 instances to control inbound and outbound traffic. It provides granular control over network connections to and from a specific EC2 instance or set of instances. Unlike Network ACLs, which operate at the subnet level, Security Groups operate at the instance level, allowing control over network traffic for individual instances.

A . Network ACL: Incorrect, as it controls traffic at the subnet level and not for individual instances.

B . AWS WAF: Incorrect, as AWS WAF is a web application firewall that helps protect web applications from common web exploits but is not designed for controlling instance-level traffic.

C . Route table: Incorrect, as route tables are used for network routing within a VPC and do not act as firewalls.

AWS Cloud References:

AWS Security Groups


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asked 16/09/2024
Pablo Hilario
38 questions
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