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An quick fundamental overview of layer two devices. To learn more about this and similar topics, enroll in our exclusive Understanding Networking Fundamentals course.
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.
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.
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.
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.
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”.
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.
Agile is a group of methodologies (including SCRUM, XP, Lean, and Kanban) that values a pragmatic mind-set and a flexible approach. Most, but not all agile methodologies, apply an incremental approach utilizing short work intervals to provide functional results quickly and adjust for the customer’s evolving understanding of the real need. This session will look at the foundation for agile and then take a high-level walk through the agile life cycle.
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.
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.