Module 3: Network Troubleshooting

Looking for ‘Cloud Support Essentials: A Technical Approach Module 3 Answers‘?

In this post, I provide accurate answers and detailed explanations for Module 3: Network Troubleshooting of Course 4: Cloud Support Essentials: A Technical Approach – AWS Cloud Support Associate Professional Certificate.

Whether you’re preparing for quizzes or brushing up on your knowledge, these insights will help you master the concepts effectively. Let’s dive into the correct answers and detailed explanations for each question.

Module 3 Quiz

Graded Assignment

1. Which of the following statements about VPC Flow Logs is correct? (Select TWO)

  • VPC Flow Logs capture the contents of network traffic.
  • VPC Flow Logs provide information about the source, destination, and action taken on network traffic. ✅
  • VPC Flow Logs can only be created for an entire VPC, not individual resources.
  • VPC Flow Logs are automatically enabled for all VPCs and cannot be disabled.
  • VPC Flow Logs are used to monitor and troubleshoot network traffic within a VPC and between a VPC and the internet. ✅

Explanation:
VPC Flow Logs do not capture the actual contents of network traffic — they only capture metadata like source IP, destination IP, ports, protocol, and whether the traffic was allowed or denied.

2. Which of the following statements accurately describes the relationship between ports and network communication?

  • Ports are dedicated channels that allow services or applications to communicate over a network. ✅
  • Ports are physical hardware components that facilitate data transfer between devices.
  • Ports are software programs that encrypt and decrypt network traffic.
  • Ports are virtual pathways used for routing data packets within a single device.
  • Ports are temporary storage locations for data packets during network transmission.

Explanation:
Ports are logical endpoints for network communication, used by protocols like TCP and UDP to differentiate services on the same machine.

3. Which command is used to remotely connect to a Linux instance with the goal of administering that machine?

  • telnet
  • ssh ✅
  • rdp
  • putty
  • connect

Explanation:
The ssh (Secure Shell) command is used to securely connect to a remote Linux machine for administration and management.

4. Which of the following statements accurately describes the purpose of an alias record in Amazon Route 53?

  • An alias record maps a domain name to an IP address.
  • An alias record maps multiple domain names to the same destination.
  • An alias record automatically updates the IP address when the underlying AWS resource changes its IP. ✅
  • An alias record is used to create a private hosted zone for internal DNS resolution.
  • An alias record is used to register a new domain name with Amazon Route 53.

Explanation:
Alias records in Route 53 can point to AWS resources like Elastic Load Balancers or CloudFront distributions and automatically track changes to their IP addresses without needing manual updates.

Related contents:

Module 1: Linux Command Line
Module 2: Command Line Troubleshooting
Module 4: Troubleshooting Scenarios

You might also like:

Course 1: Introduction to Information Technology and AWS Cloud
Course 2: AWS Cloud Technical Essentials
Course 3: Skills and Best Practices for Cloud Support Associates
Course 5: Skills for Working as an AWS Cloud Consultant
Course 6: DevOps on AWS and Project Management
Course 7: Capstone: Preparing to work as a Cloud Support Associate

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