You have a set of application , database and web servers hosted in AWS. The web servers are placed behind an ELB. There are separate security groups for the application, database and web servers…

Question

Options

• ACheck the Inbound security rules for the database security group Check the Outbound security
• BCheck the Outbound security rules for the database security group I Check the inbound security
• CCheck the both the Inbound and Outbound security rules for the database security group Check
• DCheck the Outbound security rules for the database security group Check the both the Inbound

• A
  80% (16)
• B
  10% (2)
• C
  5% (1)
• D
  5% (1)

Explanation

Here since the communication would be established inward to the database server and outward from the application server, you need to ensure that just the Outbound rules for application server security groups are checked. And then just the Inbound rules for database server security groups Option B can't be the correct answer. It says that we need to check the outbound security group which is not needed. We need to check the inbound for DB SG and outbound of Application SG. Because, this two group need to communicate with each other to function properly. Option C is invalid because you don't need to check for Outbound security rules for the database Option D is invalid because you don't need to check for Inbound security rules for the application

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