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 »
You need to create a spreadsheet naming convention for your Accounting department that is using Windows 7 on their laptops. What is the maximum size of a spreadsheet filename, including both the filename and the extension?
In Windows Vista and Windows 7, which of these events would normally activate a User Account Control prompt?
In this month’s study group; test your LAN, memory specifications, exam objectives, and pass the exam the first time! P
Professor Messer’s CompTIA A+ Study Group – January 2012 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?
You’ve recently received a laptop computer from your corporate office in London for reassignment to a new employee in New York. However, you’ve noticed that any reference to money is noted in British Pounds instead of American Dollars. What should you do to resolve this issue?
