Fichas
Networks
Fichas del conjunto (22)
- 1What is a computer network?two or more computers connected together to share information.
- 2Describe a LANlocal area network it is installed on one site
relativity small and it is owned by the organisation. - 3Describe a WANcover a large geographical area be worldwide .
- 4What are the advantages of a computer network?there are several advantages to networking:resource sharing -using network-connected devices like printers and scanners and copiers.
- 5What are the disadvantages of a computer network?purchasing the network cabling and file servers can be expensive .
managing a large network is complicated requires training and a network manager usually needs to be employed. - 6What devices are needed to produce a LAN? What devices are needed to produce a LAN?network adaptor network medium wired networks need a cable connecters power supply hub switch network software.
- 7What is the purpose of a NIC?the NIC contains the electronic circuity required to communicate using a wired connection or a wireless connection .
- 8What is the purpose of a Router?the main purpose of a router is to connect multiple networks and forward packets destined either for its own networks or other networks
- 9What is the purpose of a Hub?A hub, also called a network hub, is a common connection point for devices in a network.
- 10What is the purpose of a Switch?A network switch is a computer networking device that connects devices together on a computer network by using packet switching to receive, process, and forward data to the destination device.
- 11What is the purpose of a WAP?WAP (Wireless Application Protocol) is a specification for a set of communication protocols to standardise the way that wireless devices, such as cellular telephones and radio transceivers, can be used for Internet access, including e-mail, the World Wide Web, newsgroups, and instant messaging.
- 12What is the difference between a Hub and a Switch?What's the difference between a Ethernet hub, a switch, and a router? Ethernet hubs, switches, and routers are all devices that let you connect one or more computers to other computers, networked devices, or even other networks
- 13What is the Internet?a global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardised communication protocols.
- 14What is the World Wide Web?an information system on the Internet which allows documents to be connected to other documents by hypertext links, enabling the user to search for information by moving from one document to another.
- 15What is the purpose of a Modem?Modem stands for MOdulator/DEModulator. A modem converts digital signals generated by the computer into analogy signals which can be transmitted over a telephone or cable line and transforms incoming analogy signals into their digital equivalents.
- 16What is the purpose of an ISP?An Internet service provider (ISP) is an organisation that provides services accessing and using the Internet. Internet service providers may be organised in various forms, such as commercial, community-owned, non-profit, or otherwise privately owned.
- 17What is an IP address?a unique string of numbers separated by full stops that identifies each computer using the Internet Protocol to communicate over a network.
- 18What does HTTP stand forHTTPS is "Hyper Text Transfer Protocol" with Secure Sockets Layer (SSL), another protocol primarily developed with secure, safe Internet transactions in mind. The acronym SSL stands for Secure Sockets Layer. SSL is a secure encryption Web protocol used to make data safe when transmitted over the Internet.
- 19What is a URL?the address of a World Wide Web pag
- 20How is a URL constructed?A URL can be thought of as the "address" of a web page and is sometimes referred to informally as a "web address." ... A URL is made up of several parts. The first part is the protocol, which tells the web browser what sort of server it will be talking to in order to fetch the URL. In this example, the protocol is http.
- 21What are the three different network topologies?There are really three basic types of topologies. They are Star, Bus, and Ring. Let me explain them to you. Star – All computers and devices are connected to a centrally located hub or switch.
- 22List examples of data that need to be kept secure
Información
- Descripción
- Fichas sobre Networks, creado por Alisha Khan el 04/12/2017.
- Creado por
- Alisha Khan · dic 2017
- Actualizado
- 11 dic 2017
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