By Greg Bastien
Legit self-study try training advisor for the Cisco SNRS examination 642-502 * assault threats * Router administration and management * Authentication, Authorization, and Accounting (AAA) and Cisco safe entry regulate Server * RADIUS and TACACS+ * Cisco IOSR Firewall function set * Securing networks with Cisco routers * Mitigating Layer 2 assaults * IPsec and simple digital deepest community (VPN) * safeguard equipment supervisor (SDM)
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Additional info for CCSP SNRS Exam Certification Guide
It is important to identify when your network is under attack and when the attack has resulted in a system or network breach. It is also important to develop an incident-response plan so that the security personnel know how to react to the compromise. Although the ultimate goal is to discover all breaches, some might go unnoticed. The policy must state the actions to take upon discovery of a breach. Most policies differentiate between breaches occurring from within the organization and those originating externally, such as from the Internet.
Part I: Overview of Network Security 35 36 Part I: Overview of Network Security Security Is an Ongoing Process Security is a recurring process, not a single implementation effort. Figure 1-1 depicts what is commonly referred to as the security wheel. This figure, and many similar to it, appear throughout security documentation. It illustrates the recurring efforts necessary to effectively implement security within a corporation. These recurring efforts are referred to as the security posture assessment (SPA).
Figure 1-1. The Security Wheel Network Security as a Process The security wheel demonstrates the ongoing process to ensure that networks are secured and remain secure. The driving force behind the SPA is the security policy. The security policy states how often testing and monitoring must occur, which areas are tested, and how new security initiatives are implemented. Four steps must be considered while implementing a security policy. Keep in mind that this is not a single process you complete after one round.