A Company Is Hosting Backend Web Services Across Amazon EC2

question 18

Multiple Choice

A company is hosting backend web services across Amazon EC2 Linux instances in public subnets in a VPC. A SysOps administrator tries to connect to the instance by using SSH but is unable to connect. What could be the cause of the failed connection?

• A) The security group does not allow inbound traffic on port 22.
• B) The network ACL does not allow outbound traffic on port 80.
• C) The security group does not allow outbound traffic on port 3389.
• D) The network ACL does not allow inbound traffic on port 443.

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Definitions:

Public Good

A good that is non-excludable and non-rivalrous, meaning it can be consumed by many people without reducing its availability to others.

Utilitarian Justice

An ethical framework that assesses actions based on their consequences, aiming to maximize overall happiness and minimize suffering.

Dollar Worth

The value of a currency expressed in terms of the amount of goods or services that one unit of money can buy.

After-Tax Distribution

The process of allocating income or assets to various recipients after all applicable taxes have been deducted.