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CCNA Security Practice Exam Training Questions

Friday, August 1st, 2008 | Study Guide

Performing One-Step Lockdown With Security Device Manager

To pass the 640-553 Implementing Cisco IOS Network Security (IINS) exam and become CCNA Security certified, you’ll have to master the ins and outs of the Security Device Manager – SDM. (You also must become a CCNA first – that’s a prerequisite for all three additional CCNA certifications.)

SDM is a Cisco GUI that can perform tasks from creating VPNs to carrying out a security audit on your router. In today’s CCNA Security tutorial, we’ll take a look at the process of performing a lockdown on a router.

I have no first-hand knowledge of this, but when a prison goes into lockdown, everyone and everything is locked up so there will be no trouble. When you perform a lockdown on a router, you’ll enabling and disabling certain network services – so there will be no trouble!

Performing a lockdown does not guarantee the router is 100% safe, but it’s going to be more secure than it was before. Later in this tutorial, we’ll talk about how a lockdown can actually cause trouble – so do read this tutorial to learn how to use SDM for a lockdown, but do not rush to work tomorrow to run one!

The first golden rule of SDM: If you need to carry out a task, always start by clicking the Configure button. After doing so, I’ll click on Security Audit.

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CCNA Security Audit

SDM does give excellent descriptions of the task you’re about to carry out, and the Security Audit section is no exception. We’ll be shown two options on the Security Audit screen, with the first being the Security Audit option itself.

Security Audit In SDM