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Articles

This chapter from CompTIA Security+ SY0-401 Exam Cram, 4th Edition discusses how to use the proper network implementation of protocols and services as a tool to protect and mitigate threats against network infrastructure based on organizational needs. It also has a section specifically dedicated to wireless security implementation based on organization requirements.

This chapter from Implementing Cisco IP Routing (ROUTE) Foundation Learning Guide: (CCNP ROUTE 300-101) examines the Open Shortest Path First (OSPF) Protocol, one of the most commonly used interior gateway protocols in IP networking.

This chapter from Troubleshooting and Maintaining Cisco IP Networks (TSHOOT) Foundation Learning Guide: (CCNP TSHOOT 300-135) defines troubleshooting and troubleshooting principles. Next, six different troubleshooting approaches are described. The third section of this chapter presents a troubleshooting example based on each of the six troubleshooting approaches.

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Blogs

Ed Tittel

Hadoop is an Apache project, which means it's open source in nature. It's also a popular framework based on Java that's designed to support distributed storage, especially in connection with distributed processing of humongous data sets on generic computing clusters. As such, it's also an important element in many Big Data projects and activities. Given how popular Big Data is nowadays, no big stretch is needed to see Hadoop in the same light.

Ed Tittel

On April 15, 2015, CompTIA reported that it has launched new exams for its Linux+ Powered by LPI certification, an entry-level credential aimed at what the organization identifies as "junior-level Linux administrators." These new exams incorporate changes and updates to reflect advancements in modern Linux kernels and the various tools, utilities, and command line programs so beloved of Unix admins everywhere.

Ed Tittel

In perusing the Cisco Learning pages this morning, I came across a wealth of "IT Careers" offerings, including a very nice set of videos (both instructor-led training and pre-recorded Webinars) that provide career guidance as well as certification prep content. In this blog post, I provide more information about what's available, along with some hopefully helpful links.

Ed Tittel

Over the past month, the folks over at Certification Magazine (who also own and run the excellent GoCertify.com site) have been mining their recently published end-of-year (2014) salary survey. As I chew over the numbers they report and the implicit career guidance they can dangle in front of current and aspiring IT professionals, I'm reminded of that old aphorism, often erroneously attributed to American humorist Samuel Clemens/Mark Twain: "There are three kinds of lies: lies, damn lies, and statistics." Read on for further musings on what CertMag found and what it can, but doesn't have to mean, when it comes to crafting career plans.

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