Flashcards
networks
Cards in this deck (24)
- 1What is a computer network?two or more computers connect together to share information and resources.
- 2What are the advantages of a computer network?Advantages of computer networking. There are several distinct advantages to networking, including: ... Resource sharing – using network-connected peripheral devices like printers, scanners and copiers, or sharing software between multiple users, saves money
- 3What devices are needed to produce a LAN?routers
NIC
Switch
Hub
WAP - 4What is the purpose of a NIC?Allows a computer to connect to a network
- 5What is the purpose of a Router?The main purpose of a router is to connect multiple networks.
- 6What is the purpose of a Hub?A hub, also called a network hub, is a common connection point for devices in a network
- 7what is the purpose of a switchto connect the computer together
- 8What is the purpose of a WAP?it is a computer which let us connect the wire to the computer.
- 9What is the difference between a Hub and a Switch?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,
- 10What is the Internet?a global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardised communication protocols.
- 11What 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
- 12What is the purpose of a Modem?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.
- 13What 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.
- 14What 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.
- 15What does HTTP stand for?HTTP stands for Hypertext Transfer Protocol Secure, and instead of acting as its own application layer protocol, it uses separate protocols called SSL
- 16What is a URL?The address of a World Wide Web page.
- 17How is a URL constructed?It links to the ip address which is left with a name HTTP//www.google.co.uk
- 18What are the three different network topologies?.Bus Topology. ...
Ring Topology. ...
Tree Topology - 19What are the advantages / disadvantages of a Star topology?Star Topology: Advantages and Disadvantages. In Star topology,all the components of network are connected to the central device called “hub.
- 20What are the advantages / disadvantages of a Ring topology?Disadvantages of ring topology. All data being transferred over the network must pass through each workstation on the network, which can make it slower than a star topology.
- 21What are the advantages / disadvantages of a Bus topology?Search Results
Alternatively referred to as a line topology, a bus topology is a network setup in which each computer and network device are connected to a single cable or backbone topology with your devices. - 22List examples of data that need to be kept securebank account and bank details.
- 23What is HTTPS and what is it used for?HTTP is the underlying protocol used by the World Wide Web and this protocol defines how messages are formatted and transmitted
- 24What is encryption What is decryption?Data Encryption and Decryption. Encryption is the process of translating plain text data (plain text) into something that appears to be random and meaningless .
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- Flashcards on networks, created by Maryam Farooq on 14/11/2017.
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- Maryam Farooq
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