COMPUTER SCIENCE AND ENGINEERING
CLOUD COMPUTING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A security group, similar to a firewall, is used to set network access control for a single or multiple VMs. It is an important security isolation method.
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A security group is a logical group.
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Security groups are used to protect VM security.
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When a VM is created, a security group is generated at the same time.
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Detailed explanation-1: -Which of the following statements about security groups are true? A security group, similar to a firewall, is used to set network access control for asingle or multiple VMs. It is an important security isolation method.
Detailed explanation-2: -Which of the following is true for the default settings of a newly created security group? Blocks all inbound traffic and allows all outbound traffic.
Detailed explanation-3: -A security group acts as a virtual firewall for your EC2 instances to control incoming and outgoing traffic. Inbound rules control the incoming traffic to your instance, and outbound rules control the outgoing traffic from your instance. When you launch an instance, you can specify one or more security groups.
Detailed explanation-4: -The Function of Security Groups Also, when compared to a Network Access Control List (NACL), security groups form the first layer of defense at the instance level in a cloud computing environment whereas NACLs provides a second layer of protection at the subnet level.