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Question 212 - SAP-C01 discussion

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Which of the following statements is correct about the number of security groups and rules applicable for an EC2-Classic instance and an EC2-VPC network interface?

A.
In EC2-Classic, you can associate an instance with up to 5 security groups and add up to 50 rules to a security group. In EC2-VPC, you can associate a network interface with up to 500 security groups and add up to 100 rules to a security group.
Answers
A.
In EC2-Classic, you can associate an instance with up to 5 security groups and add up to 50 rules to a security group. In EC2-VPC, you can associate a network interface with up to 500 security groups and add up to 100 rules to a security group.
B.
In EC2-Classic, you can associate an instance with up to 500 security groups and add up to 50 rules to a security group. In EC2-VPC, you can associate a network interface with up to 5 security groups and add up to 100 rules to a security group.
Answers
B.
In EC2-Classic, you can associate an instance with up to 500 security groups and add up to 50 rules to a security group. In EC2-VPC, you can associate a network interface with up to 5 security groups and add up to 100 rules to a security group.
C.
In EC2-Classic, you can associate an instance with up to 5 security groups and add up to 100 rules to a security group. In EC2-VPC, you can associate a network interface with up to 500 security groups and add up to 50 rules to a security group.
Answers
C.
In EC2-Classic, you can associate an instance with up to 5 security groups and add up to 100 rules to a security group. In EC2-VPC, you can associate a network interface with up to 500 security groups and add up to 50 rules to a security group.
D.
In EC2-Classic, you can associate an instance with up to 500 security groups and add up to 100 rules to a security group. In EC2-VPC, you can associate a network interface with up to 5 security groups and add up to 50 rules to a security group.
Answers
D.
In EC2-Classic, you can associate an instance with up to 500 security groups and add up to 100 rules to a security group. In EC2-VPC, you can associate a network interface with up to 5 security groups and add up to 50 rules to a security group.
Suggested answer: D

Explanation:

A security group acts as a virtual firewall that controls the traffic for one or more instances. When you launch an instance, you associate one or more security groups with the instance. You add rules to each security group that allow traffic to or from its associated instances. If you're using EC2-Classic, you must use security groups created specifically for EC2-Classic. In EC2-Classic, you can associate an instance with up to 500 security groups and add up to 100 rules to a security group. If you're using EC2-VPC, you must use security groups created specifically for your VPC. In EC2-VPC, you can associate a network interface with up to 5 security groups and add up to 50 rules to a security group.

Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-network-security.html

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asked 16/09/2024
Michael Marzotto
36 questions
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