Book Image

AWS Certified Advanced Networking - Specialty Exam Guide

By : Marko Sluga
3 (1)
Book Image

AWS Certified Advanced Networking - Specialty Exam Guide

3 (1)
By: Marko Sluga

Overview of this book

Amazon has recently come up a with specialty certifications which validates a particular user's expertise that he/she would want to build a career in. Since the Cloud market now demands of AWS networking skills this becomes the most wanted certification to upheld ones industry portfolio. This book would be your ideal companion to getting skilled with complex and creative networking solutions. Cloud practitioners or associate-level certified individuals interested in validating advanced skills in networking can opt for this practical guide. This book will include topics that will help you design and implement AWS and hybrid IT network architectures along with some network automation tasks. You will also delve deep into topics that will help you design and maintain network architecture for all AWS services. Like most of our certification guides this book will also follow a unique approach of testing your learning with chapter-level practice exercises and certification-based mock tests. The exam mock tests will help you gauge whether you are ready to take the certification exam or not. This book will also be an advanced guide for networking professionals to enhance their networking skills and get certified. By the end of this book, you will be all equipped with AWS networking concepts and techniques and will have mastered core architectural best practices.
Table of Contents (21 chapters)
Free Chapter
Section 1: Introduction
Section 2: Managing Networks in AWS
Section 3: Managing and Securing Network-Attached Platform Services in AWS
Section 4: Monitoring and Operating the AWS Networks
Section 5: Network automation in AWS
Section 6: The Exam

Working with VPC Flow Logs

To diagnose and troubleshoot the network connectivity at the Virtual Private Cloud (VPC) level, we can use VPC Flow Logs. The VPC Flow Logs feature provides us with the ability to capture information about the IP packets travelling through our VPC. When a VPC Flow Log is created, we are able to get an overview the logs created in the management console directly through the CLI, SDKs, or the API.

We can enable VPC Flow Logs on the level of a subnet, or we can log each and every network adapter in the subnet. This allows us to view the traffic and diagnose whether network packets are reaching the intended target and what the state of the packet flow during a certain collection period was. Flow logs can be used as a diagnostic tool when network traffic is not reaching a certain target; this can be a subnet, an EC2 or RDS instance, an Elastic Container...