A Network Engineer Is Troubleshooting a Network Connectivity Issue for an Instance

question 318

Multiple Choice

A Network Engineer is troubleshooting a network connectivity issue for an instance within a public subnet that cannot connect to the internet. The first step the Engineer takes is to SSH to the instance via a local bastion within the VPC and runs an ifconfig command to inspect the IP addresses configured on the instance. The output is as follows: The Engineer notices that the command output does not contain a public IP address. In the AWS Management Console, the public subnet has a route to the internet gateway. The instance also has a public IP address associated with it. What should the Engineer do next to troubleshoot this situation?

• A) Configure the public IP on the interface.
• B) Disable source/destination checking for the instance.
• C) Associate an Elastic IP address to the interface.
• D) Evaluate the security groups and the network access control list.

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Definitions:

Annual Depreciation

The annual allocation of the cost of an asset over its useful life, reflecting the consumption or the decline in the value of the asset over that period.

Net Working Capital

The difference between a company's current assets and current liabilities, indicating its short-term liquidity and ability to finance day-to-day operations.

Shipping Cost

The expense associated with transporting goods from one location to another.

Net Investment

The total amount invested in a project or asset after deducting depreciation or other capital allowances.