Checkout

Cart () Loading...

    • Quantity:
    • Delivery:
    • Dates:
    • Location:

    $

Resource Library

Filter By
Show Filters
Result Filters:

174 Results Found

Results per page: 10 40 80

Layer 2 Device Overview

Video | Feb. 24, 2021

An quick fundamental overview of layer two devices.   To learn more about this and similar topics, enroll in our exclusive Understanding Networking Fundamentals course.    

18 IT and Business Certifications Worth Having

Article | Jan. 11, 2021

Here are 18 certification options, in no particular order, that are worth your effort based on site searches, feedback from subject matter experts and data in the Global Knowledge 2019 IT Skills and Salary Report.

How to Use MPLS Ping and Traceroute

Article | Dec. 17, 2020

With Multiprotocol Label Switching (MPLS) as popular as it is in the provider space and private MPLS clouds for larger enterprise, we needed some tools to help troubleshoot and maintain these networks. With the providers in mind, the normal ping or traceroute may not be enough.

What’s the Difference Between Hubs, Switches & Bridges?

Article | Dec. 17, 2020

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.

Can One VLAN Reach Another Without a Router or OSI Layer 3 Device?

Article | Dec. 15, 2020

Early one morning, an engineer end user discovered that the Engineer servers were unreachable, and he didn’t know if he could reach the Internet. The administrator investigated the user’s PC with the IPCONFIG /ALL command and verified that the PC was a DHCP client, but it had received an address from the Accounting DHCP server, not the Engineering DHCP server.

FLOGI, PLOGI, and PRLI

Article | Dec. 15, 2020

When you connect your server or storage, it will send a Fabric login (FLOGI) request. This FLOGI request serves two purposes: Fibre Channel ID is the WWPN connection to this port from the FLOGI server Exchange buffer credits with the switch To better understand the first function, it is exactly the same if I rewrite it as, “request an IP address for a MAC address from the DHCP server”.

The 10 Most Important IT Skills for 2020

Article | Aug. 17, 2020

As IT departments struggle with skills gaps and businesses attempt to recovery economically from the COVID-19 pandemic, these 10 IT skills are essential to drive success. Job roles in these areas pay well, but decision-makers are struggling to find qualified candidates. If you’re looking to make an IT skills investment or start a new career path this year, these are the areas to consider.

5 Most Popular IT Certifications for 2020

Article | May 11, 2020

While cybersecurity remains the most popular certification category in our IT Skills and Salary Report, foundational-level certifications highlight our list of the most popular IT certifications of 2020. 

BGP – What is it and why should I care?

Webinar – Recorded | April 07, 2020

This webinar will look at Border Gateway Protocol and explore why we have the protocol; how its involved and how it works. We will look at how and where BGP is used in today’s networks and Internet. We will look at the basics of configuring it and some not so basic configurations.  

New ‘next level’ Cisco Certification expands in 2020

Webinar – Recorded | March 11, 2020

Find out what changes have been made and how you now have multiple paths to success with the help of Cisco Certification 2020! The new set of certification exams launched on 24th February. It provides a common language for software developers and networkers to bring the two together. The certification programme will also open-up a brand new horizon of job roles and skill sets that are already starting to emerge. Announced at last year’s Cisco Live event in San Diego, the new DevNet certifications aim to help professionals combine infrastructure expertise with programming to take advantage of the possibilities of intent-based networking. Changes to the Cisco certification programme also include new training and certifications in five key technology tracks. In the traditional Cisco network programme, the certifications range from the associate level to the expert level. The new certification involves a DevNet Associate, a DevNet Professional and soon there will also be a DevNet Expert certification. In this one hour webinar, John Berry discusses what’s new in Cisco Certification, what the professional of the future should look like and how to prepare technology professionals for new roles as a network automation developer.