Book Image

CCNA Security 210-260 Certification Guide

By : Glen D. Singh, Michael Vinod, Vijay Anandh
Book Image

CCNA Security 210-260 Certification Guide

By: Glen D. Singh, Michael Vinod, Vijay Anandh

Overview of this book

With CCNA Security certification, a network professional can demonstrate the skills required to develop security infrastructure, recognize threats and vulnerabilities to networks, and mitigate security threats. The CCNA Security 210-260 Certification Guide will help you grasp the fundamentals of network security and prepare you for the Cisco CCNA Security Certification exam. You’ll begin by getting a grip on the fundamentals of network security and exploring the different tools available. Then, you’ll see how to securely manage your network devices by implementing the AAA framework and configuring different management plane protocols. Next, you’ll learn about security on the data link layer by implementing various security toolkits. You’ll be introduced to various firewall technologies and will understand how to configure a zone-based firewall on a Cisco IOS device. You’ll configure a site-to-site VPN on a Cisco device and get familiar with different types of VPNs and configurations. Finally, you’ll delve into the concepts of IPS and endpoint security to secure your organization’s network infrastructure. By the end of this book, you’ll be ready to take the CCNA Security Exam (210-260).
Table of Contents (19 chapters)

Deep Diving into Cryptography

As technology advances to assist us in the modern world, so does the rise of new cyber threats. Some of these threats focus on stealing another person's personal identifiable information (PII) such as their identity, address, medical information, or even their credit card details as a user is conducting an online transaction on an e-commerce website. As security professionals, we try to ensure that our clients' data is not intercepted or leaked in any way. We use cryptographic methods to ensure the confidentiality of the data, whether it's data at rest, data in motion, or data in use.

In this chapter, we'll take a look at the following topics:

  • An overview of cryptography
  • Types of cipher
  • Differences between symmetric and asymmetric algorithms
  • Encryption algorithms
  • Hashing algorithms
  • Cryptographic systems
  • Overview of the Public...