Karteikarten
Topic 2 Revision
Karten in diesem Stapel (28)
- 1LANLocal area network
- 2WANWireless area network
- 3MANmetropolitan area network
- 4Device to deviceWhen a connection is established between two devices directly via a satellite.
- 5digital informationDigital information is a type of information stored using a series of ones and zeros. It is the most commonly used method of storing and reading data, as it can be copied, edited and moved without losing any quality.
- 6NetworkA unique string of numbers separated by full stops that identifies each computer using the Internet Protocol to communicate over a network.
- 7IP addressA unique string of numbers separated by full stops that identifies each computer using the Internet Protocol to communicate over a network.
- 8EthernetA system for connecting a number of computer systems to form a local area network, with protocols to control the passing of information and to avoid simultaneous transmission by two or more systems.
- 9Wirelesswithout a wire
- 10power-linePowerline adaptors turn your electrical cables into a speedy network, and will revolutionise the way you download movies, TV programs and browse the Internet in your home.
- 11modemA combined device for modulation and demodulation, for example, between the digital data of a computer and the analogue signal of a telephone line
- 12routerA networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet.
- 13ISPInternet service provider
- 14NICNetwork interface card
- 15WPA2Wi-Fi Protected Access version 2 (WPA2): Based on the 802.11i wireless security standard, which was finalized in 2004. The most significant enhancement to WPA2 over WPA is the use of the Advanced Encryption Standard (AES) for encryption.
- 16EncryptionThe most effective way to achieve data security. To read an encrypted file, you must have access to a secret key or password that enables you to decrypt it. Unencrypted data is called plain text; encrypted data is referred to as cipher text.
- 17ConvergenceFunctions originally performed in multiple devices which can now be done on one
- 18bluetoothA standard for the short-range wireless interconnection of mobile phones, computers, and other electronic devices
- 19malwareAn “umbrella term” used to refer to a variety of forms of hostile or intrusive software, including computer viruses, worms, Trojan horses, ransom ware, spyware, adware, scare ware, and other malicious programs. It can take the form of executable code, scripts, active content, and other software.
- 20PhishingThe attempt to obtain sensitive information such as usernames, passwords, and credit card details (and sometimes, indirectly, money), often for malicious reasons, by masquerading as a trustworthy entity in an electronic communication.
- 21Service set identifier (SSID)A sequence of characters that uniquely names a wireless local area network (WLAN)
- 22Voice Over Internet ProtocolA category of hardware and software that enables people to use the Internet as the transmission medium for telephone calls by sending voice data in packets using IP rather than by traditional circuit transmissions of the PSTN.
- 23HTTPThe Hypertext Transfer Protocol (HTTP) is an application protocol for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web. Hypertext is structured text that uses logical links (hyperlinks) between nodes containing text.
- 24HTTPSA protocol for secure communication over a computer network which is widely used on the Internet. HTTPS consists of communication over Hypertext Transfer Protocol (HTTP) within a connection encrypted by Transport Layer Security or its predecessor, Secure Sockets Layer. The main motivation for HTTPS is authentication of the visited website and protection of the privacy and integrity of the exchanged data.
- 25Remote accessConnection to a data-processing system from a remote location, for example through a virtual private network. Remote desktop software refers to software or an OS feature allowing applications to be run remotely on a server while being graphically displayed locally.
- 26Digital AuthenticationVerifying the identity of a user logging into a network. ... Passwords and digital certificates can also be used to identify the network to the client.
- 27Captcha testA computer program or system intended to distinguish human from machine input, typically as a way of thwarting spam and automated extraction of data from websites.
- 28dongleA small device able to be connected to and used with a computer, especially to allow access to wireless broadband or use of protected software.
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- Karteikarten am Topic 2 Revision , erstellt von Conor Guinan am 15/11/2016.
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