air pressure: Air has weight. Air pressure is the weight of the air, or atmosphere, pushing down on Earth. The closer you are to sea level, the higher the air pressure because thereâs that much air above you. The higher you are, there is less air pressure.
Applies To: Forefront Threat Management Gateway (TMG). This topic describes how to create a Fully Qualified Domain Name (FQDN) for Forefront TMG in a workgroup. The FQDN is a name used to enable array members and the Enterprise Management Server (EMS) to communicate with each other.
In our Internet address, http://whatis.techtarget.com: com is the top-level domain name; techtarget.com is the second-level domain name; and whatis is a subdomain name. All together, these constitute a fully-qualified domain name (FQDN); the addition of HTTP:// makes an FQDN a complete URL.CANN identifies the following categories of TLDs: 1  Country-code top-level domains (ccTLD) -- Each ccTLD identifies a particular country and is two letters long. 2  The ccTLD for the United States, for example, is .us.