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TCP/IP (Transmission Control Protocol/Internet Protocol) is the basic communication language or protocol of the Internet. It can also be used as a communications protocol in a private network (either an intranet or an extranet).
Last Revised: 2015-09-12
This is a program that allows you log in to a Unix computer via a text-based interface. If you have an account on a Telnet server, you can access certain resources on the system such your home directory, your email account, FTP files, etc. The downside of Telnet is that, to use it, you need to use Unix commands, which can be a challenge. Telnet has been largely replaced with SSH.
Last Revised: 2015-08-27
A top-level domain (TLD) is one of the domains at the highest level in the hierarchical Domain Name System of the Internet. The top-level domain names are installed in the root zone of the name space. For all domains in lower levels, it is the last part of the domain name, that is, the last label of a fully qualified domain name. For example, in the domain name www.example.com, the top-level domain is com. Responsibility for management of most top-level domains is delegated to specific organizations by the Internet Corporation for Assigned Names and Numbers (ICANN), which operates the Internet Assigned Numbers Authority (IANA), and is in charge of maintaining the DNS root zone.
Last Revised: 2015-09-06
Traceroute allows you to find out precisely how a data transmission traveled from your computer to another. Essentially, the traceroute compiles a list of the computers on the network that are involved with a specific Internet activity. The traceroute identifies each computer/server on that list and the amount of time it took the data to get from one computer to the next. If there was an interruption in the transfer of data, the traceroute will show where along the chain the problem occurred.
Last Revised: 2015-09-01