Introduction to Top-Down Design Approach

While the topic may sound boring and analytical, top-down network design is actually more intricate, involving not only the technical requirements but also understanding the various business factors that affect the network you are designing. In this article, Sean Wilkins walks through this approach to designing networks and examines the many factors that go into […]

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How to Increase Your IT Salary with Cisco Certifications

In the current working environment, it can be hard to locate a position in the IT field, especially when just entering the workplace or the field specifically. However, with some experience and the right certifications come additional positions and additional financial incentives. So let’s take a look at some salary figures for networking professionals specifically […]

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Advanced Zone-based Firewall Configuration

The advanced configuration of zone based firewalls, while not hard, can be confusing to understand without proper perspective of what is possible. While my previous article, “Basic Zone-Based Firewall Configuration” reviewed the steps required for configuring a basic zone based firewall, it did not review all of the capabilities of the feature. The zone based […]

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IOS Zone-based Firewall Configuration Overview

As reviewed in the zone-based firewall fundamentals article, it is important that the basic concepts of zone-based firewalls be understood in order for a good configuration to be designed and implemented. In this article, Sean Wilkins reviews these concepts and offers some steps for proper configuration. A zone-based firewall configuration starts with a review of […]

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Basic Zone-Based Firewall Fundamentals

In order to truly understand the concept of a zone-based firewall and to configure it in such a way that would be the most useful for each specific application, some basic concepts must be considered and understood. In this article, Sean Wilkins focuses on these, basic zone-based firewall fundamental concepts, how to interpret them, and […]

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Top 5 VoIP Concepts to Know for CCNA Voice

The implementation of Voice over IP (VoIP) has become more common as an organizational alternative to traditional voice services. This article reviews the basic concepts of voice operations, and provides a base of knowledge for deploying and operating these technologies. The CCNA Voice certification provides the candidate an associate level of knowledge in several common […]

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