CIDR-block addressing has added new flexibility to IP subnetting. In this video, you’ll learn about classless inter-domain routing and the notation used to designate a CIDR-block address.
CompTIA Network+ N10-005: 1.3 – Classless Inter-Domain Routing Read More »
The history of TCP/IP includes numerous changes in network technologies and subnetting. In this video, you’ll learn how the IP class-based numbering system was used in the past and how it’s used today.
Calculating in binary is an important skill for any network professional. In this video, you’ll learn the fundamentals for converting between decimal and binary numbers.
The OSI model is a useful reference, but how does it really work in the real world? In this video, we’ll investigate how the OSI model maps into an encrypted email conversation with Google Mail.
CompTIA Network+ N10-005: 1.2 – The OSI Model in the Real World Read More »
The OSI model isn’t the only model in town. In this video, you’ll learn about the TCP/IP model and how real-world applications are associated with each layer.
CompTIA Network+ N10-005: 1.1 – The TCP/IP Model Read More »
Through the years, the OSI model has been the fundamental model for networking. In this video, you’ll get an overview of the OSI model and a detailed breakdown of each of each OSI layer.
This is the index to our free CompTIA N10-005 Network+ training course videos. All of our training videos are completely free; watch all of our videos online right now!
Professor Messer’s CompTIA N10-005 Network+ Training Read More »
One of your computers is having problems surfing the Internet. Which of these Windows utilities can give you a consolidated view of the computer’s network address configuration, including subnet mask and default gateway?
In this study group episode; port numbers, IPv6 in the mainstream, network address translation (NAT), and last-minute study tips. Professor Messer’s Network+ Course Notes: Have you watched my CompTIA Network+ videos, but you’d like to have all of the notes available in one place? With these detailed Network+ study guides, you can focus your study
Professor Messer’s CompTIA Network+ Study Group – December 2011 Read More »
In this study group; IPv6 overview, switching vs. routing, the OSI model and the TCP/IP model, and what’s new in the latest Network+ certification version!
Professor Messer’s Network+ Study Group – November 19, 2011 Read More »
