Security Group Troubleshooting Quiz

5 questions Pass: 70% +25 pts (50 with Pro)

Quiz covering Security Troubleshooting

What you'll be asked

  1. An administrator is troubleshooting a web server that cannot be accessed via HTTP (port 80). Which of the following is the most likely cause if the Security Group rules are correctly configured to allow inbound traffic on port 80?
  2. You have applied a Security Group to an EC2 instance that permits SSH (port 22) from your IP, but you still cannot connect. What is the first step you should take to troubleshoot the issue?
  3. Two instances are in the same VPC but cannot communicate with each other, even though they share the same Security Group. Why might this be happening?
  4. You are auditing a Security Group that has a rule allowing '0.0.0.0/0' on port 22. What is the primary security risk associated with this configuration?
  5. An application consists of a web tier and a database tier. The database Security Group is configured to allow inbound traffic on port 3306 only from the web tier's Security Group ID. If the web tier instances are moved to a different VPC, why does the database connectivity fail?

Answers and explanations come after you submit.