Amazon Web Services (AWS) - Interview Questions and Answers for 'Aws security group' | Search Interview Question

Amazon Web Services (AWS) - Interview Questions and Answers for 'Aws security group' - 4 question(s) found - Order By Newest

Q1. Can a EC2 instance have multiple Security Groups ? Can a single security group be assigned to multiple Ec2 instances ? If either of them is true , doesn't it result in conflict ?

Amazon Web Services (AWS)

Ans. We can assign multiple security groups to single instance and we can use single security group with multiple instances.

It never results in conflict as security groups only have allow rules and no deny rules. Multiple security groups for an instance results in union of all rules.

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Q2. Can we deny access for particular IP using Security Groups ?

Amazon Web Services (AWS)

Ans. No, We can do that through ACL

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Q3. How have you configured Security Groups ?

Amazon Web Services (AWS)

Ans. AWS console >> security groups >> Create security group >> Configure security group bases on Network requirement of EC2 instance

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Q4. Describe best practices with respect to AWS security groups ?

Amazon Web Services (AWS)

Ans. Configure it while creating EC2 instance only

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