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Routers and switches make up the bulk of network infrastructure and are vulnerable to attack. We hear about mass Denial of Service (DOS) attacks or Distributed Denial of Service (DDOS), but the network itself is as big a risk because if it is taken out, there is no path for the data to flow.
Take charge of your Cisco network devices with Python programming As a network engineer, you might wonder why there’s any need for you to learn Python. After all, network automation is clearly where the industry is headed. And there are many tools that allow yo...
This overview of the Cisco On-Demand Learning portfolio covers the various products and solutions available. Including all access collections, certification e-camps, and individual course titles. With Cisco On-Demand Learning you can train your workforce easily and effectively.
Topping this year’s list is ISACA with four IT certifications, followed by AWS, Cisco and Citrix. Our 2018 IT Skills & Salary Report also shows trending areas in cybersecurity, cloud computing, and business—demonstrating what skills you need to become a more valuable and higher-paid IT professional.
Every second of every day, data is being sent and received. Billions of data packets are processed by your company’s network every day. In fact, you received dozens of packets just to read this article, but the vast majority of us have no idea how this works. People have no clue as to what goes on behind the scenes to ensure data actually gets to the right device.
The key difference between hubs, switches and bridges is that hubs operate at Layer 1 of the OSI model, while bridges and switches work with MAC addresses at Layer 2 of the OSI model.
Certifications are the most common way in IT to prove you have the skills to solve various technical and business challenges. In this article, I'll address a range of skill sets. For each certification listed, I've included what the certification measures, the requirements to obtain it.
In 2013, Cisco released their Software Defined Networking (SDN) solution for the data center known as Cisco Application Centric Infrastructure (ACI). For many years, the networking industry has been asking for an approach to configuring networking devices more efficiently than having to individually configure each and every router and switch.
A 60 minute, interview style webinar with Tejas Vashi of Learning@Cisco to discuss network security trends, risk mitigation and the recently released Cisco Cybersecurity Report. As organizations go through digital business transformation, attack surfaces are increasing, making it more difficult for Enterprises to secure today’s networks and proactively mitigate security breaches. Businesses and IT security professionals must focus on their most important goal: establish a secure communications environment. Join us to hear from Tejas Vashi, Senior Director of Learning@Cisco’s Product Strategy & Marketing, about key trends from Cisco’s latest cybersecurity industry research, the security challenges organizations face today, and what they can do to mitigate the risks.
The purpose of Interior Routing Protocols (IGP), and routing protocols more generally, is to advertise the existence of destination networks. All protocols then have some method of picking what they would consider to be the best path and maintain the information. By...