Cisco ACS Recovery Procedure


In this post we will cover the recovery procedure steps of a Cisco Secure Access Server ACS. We assume you have the ACS Recovery disc and that you have physical access to the appliance. Insert the recovery disc into the ... Read More »

MAC Protocols And CSMA/CD


We will talk about MAC protocols and Ethernet technology, both operating at the lowest two layers of the OSI model, which corresponds to the Link layer in TCP/IP. Shared Ethernet In 10Base-2 and 10Base-5 networks, hosts share the same medium ... Read More »

Cisco CCNA 200-125: The Complete Course


This post is a review of a popular CCNA video course called “Cisco CCNA R/S 200-125: The Complete Course”, by Lazaro Diaz. About “Cisco CCNA (200-125) The Complete Course” The course teaches the student to configure the following protocols and features ... Read More »

Basic Concepts In Communication Systems


In this post, we will have an introduction into the world of communication systems, related to computer engineering. The communication process The communication process can be summarized in the following diagram: The source of information delivers what is called the signal message. ... Read More »

Udemy December Promotion


Until December 18th, you can take any Udemy course for only 15$. I’ve collected the list of IT courses that benefit from the offer. Click on any of the links below the get more information: The Complete Ethical Hacking Course: Beginner ... Read More »

IT Certification vs College Degree


When you are studying in college and are a couple of years before graduating, you may be thinking a lot about the time you are spending studying for a college degree vs studying for an IT certification. So let’s suppose you ... Read More »

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