Become familiar with the following concepts: denial-of-service, distributed denial-of-service, and how the denial-of-service and distributed denial-of-service attacks take place. You will also see what botnets are and how they are used to attack your system or network. You will find explanations on the tools that are used to attack, and how you can detect such attacks. You will be introduced to different countermeasures, so that you can plan, prepare, and establish the relevant countermeasures to protect your organization. You will also learn how DoS and DDoS can be used in penetration testing. You will go through discussions on how to protect your organization from the distributed denial-of-service attacks and denial-of-service penetration testing. Altogether, these topics focus on deepening your understanding of security concepts and practices, so that youâ€™re a more efficient network administrator. With the skills you gain here, youâ€™re equipped to pursue a number of security certifications from CompTIA, EC-Council, and CEH.