For many years network administrators have expected security breaches to come from outside an organization or at the upper layers of the OSI model. This paper will focus on securing layer 2 switching at the access layer through port security and preventing denial of service (DoS) attacks at layer 2. 

This paper outlines the common CCNA-level commands that you should be familiar with when troubleshooting. 

Layered Tech chose Dell servers to build a new infrastructure that would take its managed hosting and cloud services to a new level, and saw performance increase by 22 percent. Download this case study for more information. 

In this paper, learn why the database layer is so important to the software selection of an enterprise resource planning (ERP) system. Also compare Oracle database to SQL Server databases. 

<p>This paper uncovers tips for choosing a cloud hosting provider and explores where and when to use cloud solutions, specific issues enterprises should raise with hosting providers before selecting a vendor, and ways in which SSL from a trusted certificate authority can help enterprises conduct business in the cloud with confidence.</p> 

<p>The web and email are not IT’s friends. They create risk and increase the workload because they distribute and prolong the payoff of known and unknown threats. Layering new and traditional techniques, including anti-malware, anti-spam, intrusion prevention, and application whitelisting, throughout the enterprise will minimize those risks.</p> 

Gain insight into the value of a new technology, overlay transport virtualization (OTV), in this expert resource. OTV enables network scaling and the moving of components of the data center from one side to the other. 

In this transcript, senior enterprise IT architect Nelson Ruest breaks down the seven different layers of the server virtualization architecture, and explains the role the hypervisor plays in the success of that infrastructure. 

This white paper introduces an end-to-end, unified virtual solution designed to lay the foundation for a successful cloud environment and quickly adapt to changing business needs. This technology can help your organization start saving time and operational costs across server, network and storage infrastructure layers. Read on to learn more. 

Antimalware products implemented on your networks can pile up overtime. And while layered security is traditionally the best way to mitigate risk, this accumulation can lead to a confusing, costly and inefficient mess. Access this guide for expert tips on how to manage antimalware products and determine how much is enough. 

Check out this white paper to learn about two network protocol models, TCP/IP and OSI. 

Download this white paper to discover how to unlock the full potential of your core operational systems and what to look for in your app development platform. 

Traditional enterprise resource planning (ERP) systems are too heavy, too complex, and too expensive. Read this paper to discover an alternative ERP strategy that provides the agility, visibility and controls beyond basic accounting needed in today’s climate of constant change, increasing regulatory oversight, and instant information access.