SCADA (Supervisory Control and Data Acquisition) is a system that collects data from various sensors at a factory, plant, or in other remote locations and sends this data to a central computer that then manages and controls the data. SCADA is a term that is used broadly to portray control and management solutions in a …
127.0.0.1 is the loopback Internet protocol (IP) address also referred to as the “localhost.” The address is used to establish an IP connection to the same machine or computer being used by the end-user. The same convention is defined for computer’s that support IPv6 addressing using the connotation of ::1. Establishing a connection using the …
Two factor authentication is term used to describe any authentication mechanism where more than one thing is required to authentate a user. The two components of two factor authentication are: Something you know Something you have Traditional authentication schemes used username and password pairs to authenticate users. This provides minimal security, because many user passwords …
A dial-up connection is any connection that is connected through a regular phone line. When that phone line is connected to a modem and then configured to dial a specific number, a user can access the Internet. It is the slowest form of Internet connection, but that is a result of also being the most …
Fixed/Mobile Mobile Circuit/Packet Circuit Max Bandwidth 57.6Kb Range Coverage area of host network Frequency Frequency of host network Host Network GSM Definer ETSI (European Telecommunications Standards Institute) URL http://www.etsi.org/ HSCSD (High Speed Circuit Switched Data) is a specification for data transfer over GSM networks. HSCSD utilizes up to four 9.6Kb or 14.4Kb time slots, for …
Cisco IOS software is installed in the manageable Cisco switches for better LAN management. It delivers network services and enabled networked applications. The Cisco IOS has a command line interface that helps users to execute the Cisco IOS commands. Cisco Switch Commands The Cisco switch IOS has different EXEC modes with distinctive prompts. These modes …
802.1Q is also known as IEEE 802.1Q or VLAN tagging. It defines a virtual local area network. It is a protocol that allows virtual LANs to communicate with one another using a 3-layered router. It was developed as a part of IEEE 802. Why Was The 802.1Q Standard Developed? Large networks use up a lot …
The ST (Straight Tip) connector is a fiber optic connector which uses a plug and socket which is locked in place with a half-twist bayonet lock. The ST connector was the first defactor standard for fiber optic cabling. It was first developed by AT&T. ST connectors were leading connectors in the late 80s and early …
RADIUS (Remote Authentication Dial In User Service) is a system procedure that offers centralized entrance, approval, as well as accounting administration for individuals or computers to add and utilize a network service. Individuals often need “Authentication” when they try to fix to a network. People have to face far more problems while connecting their computers …
An Analog Telephone Adapter (ATA), also known as the Analog Telephony Adapter, is an electronic device used to enable one or more analog telephones or facsimile machines for Voice over Internet Protocol (VoIP) calls and faxes. An Analog Telephone Adapter basically creates a physical connection by use of telephone and Internet cables between a conventional …