<span>The answer is Firewall Log. The </span>Logging tab is a tabled, real-time and up-to-date integration
of the traffic logs generated by the Firewall. It will show all the connections
that have been active on your computer. <span>You can also use the Windows Firewall log file to monitor TCP and UDP connections and packets that are blocked by the firewall.</span>
I guess the answer in the blank is Column Heading.
A column letter above the grid, also called the column heading, identifies each column.
For MS Word 2010 and higher
Go to "View" and find checkbox "Ruler"
It’s hz and bandwidth, 5ghz is better then a 2.5ghz but the wavelength is more condensed so it won’t travel so far so the 5ghz will be faster but the 2.5ghz will go further.