Subnetting is a complicated topic that has confused students for a very long time, however, subnetting is an important topic for many different certifications with various vendors, including Cisco. 

WatchGuard wants to show you why they are the leading provider of network and content security solutions. Eligible organizations can try out the superior capabilities and advanced functions of a WatchGuard XTM or XCS solution in their own network with no obligation to buy. 

This video provides a short primer on VoIP and an attackers' objective. 

The way a switch learns Ethernet (MAC) addresses is by inspecting the Ethernet frame and recording the source MAC address in a dynamic table. The switch will also associate a learned MAC address with a port. It can then make intelligent forwarding decisions based on the destination MAC address. This white paper illustrates the process. 

On this webcast I'm going to put on my drill sergeant's hat and we're going to learn the basics that every network engineer, server chick, network manager, or IT dude should know about managing networks. This is going to be a no-frills webcast where we focus on the fundamentals and making sure that we all understand them. 

Check Point has developed a revolutionary solution to address the increasingly complex security landscape. View this webinar to learn how Check Point software blade architecture can help your organization reduce cost while enhancing overall security. 

With the Sophos Application Discovery Tool, you can quickly perform a scan and find the applications installed on your network, both legitimate and unwanted. The tool can be run without uninstalling or deactivating your current anti-virus software. 

This Presentation Transcript offers an overview of the cloud computing landscape as it relates to information security. Few organizations realize the vast and inherent risks that cloud computing presents, including data exposure, data loss, and a compromised infrastructure. 

In this article we first explore the motivation for protocol security solutions, ones that are capable of protecting data in transit. We describe several solutions, at various layers of the open systems interconnection (OSI) stack, addressing several key network and platform threats. 

Using Novell® Sentinel™ as part of its PROMETHEUS system, the Navy Cyber Defense Operations Command (NCDOC) has automated and centralized security monitoring across hundreds of diverse locations worldwide. 

Cost optimization is the main reason clients opt for IT services hosted in the cloud. Consequently it is one of the technologies expected to mature most rapidly and to attract many new players into the arena. Read this white paper to learn more about cloud security and Panda’s cloud security solutions. 

AVG Internet Security Business Edition is faster, smarter security that won’t slow businesses down. AVG Internet Security merges ground-breaking online threat prevention techniques with enhanced anti-virus and firewall technologies to deliver proactive protection that’s second to none. Download a trial version and use it free for the next 30 days.