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)

Introducing the security policy

Any organization depending on a network has a security policy in place. A security policy basically contains the following:

  • The organization's objectives
  • Rules and regulations for the network's users and administrators
  • Requirements for the system and management that collectively ensure network security

A security policy also lays down the guidelines, standards, and procedures for the functioning of a network. The main components of a security policy are the governing policy, the end-user policy, and the technical policy:

  • Governing policy: This policy contains the answers to the "what needs a security policy" question. It contains high-level categorization of the security elements that are important for the organization. People at the managerial or technical level are responsible for this policy.
  • End-user policy: This policy...