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Karteikarten

Networks

Ashton Coatesworth Englisch 28 Karten

Karten in diesem Stapel (28)

  1. 1What is a computer network?Two or more computers connected together to share information resources.
  2. 2Describe a WanA wan is a wide area network
  3. 3Describe a LanA lan is a local area network
  4. 4What are the advantages of a computer network?You get to find out information
  5. 5What are the disadvantages of a computer network?Need a qualified person to look after it
  6. 6What devices are needed to produce a LAN?network adaptor, network medium, cable connecters, power supplys, hub/switch/router and network software.
  7. 7What is the purpose of a NIC?–The NICs convert the data signals from the nodes into data.
  8. 8What is the purpose of a Router?–Routers work by sending data between networks.
  9. 9What is the purpose of a Hub?A device that connects nodes together.
  10. 10What is the purpose of a Switch?A device that connects
    nodes together.
  11. 11What is the purpose of a WAP?A wireless access point is a hardware device or configured node on a local area network (LAN) that allows wireless capable devices and wired networks to connect through a wireless standard, including
    Wi-Fi or Bluetooth.
  12. 12What is the difference between a Hub and a Switch?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.
  13. 13What is the Internet?a global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardised communication protocols.
  14. 14What is the World Wide Web?an information system on the Internet which allows documents to be connected to other documents by hypertext links.
  15. 15What is the purpose of a Modem?modem stands for modulator/
    demodulator. A modem converts digital signals generated by the computer into analog signals.
  16. 16What is the purpose of an ISP?Image result for What is the purpose of an ISP?
    An Internet service provider (ISP) is an organisation that provides services accessing and using the Internet.
  17. 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.
  18. 18What does HTTP stand for?Hyper Text Transfer Protocol.
  19. 19What is a URL?the address of a World Wide Web page.
  20. 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."
  21. 21What are the three different network topologies?star, bus and ring.
  22. 22What are the advantages / disadvantages of a Star topology?Image result for What are the advantages / disadvantages of a Star topology?www.omnisecu.com
    Disadvantages of a Star Topology. Requires more cable length than a linear topology. If the hub, switch, or concentrator fails, nodes attached are disabled. More expensive than linear bus topologies because of the cost of the hubs, etc.
  23. 23What are the advantages / disadvantages of a Ring topology?Image result for What are the advantages / disadvantages of a Ring topology?www.ianswer4u.com
    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. The entire network will be impacted if one workstation shuts down.
  24. 24What are the advantages / disadvantages of a Bus topology?Bus Topology. 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.
  25. 25List examples of data that need to be kept securebank details
    ip address
    social security number
  26. 26What 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, and what actions Web servers and browsers should take in response to various commands
  27. 27What is encryption?the process of converting information or data into a code, especially to prevent unauthorized access.
  28. 28What is decryption?Decryption is the process of transforming data that has been rendered unreadable through encryption back to its unencrypted form

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Beschreibung
Karteikarten am Networks , erstellt von Ashton Coatesworth am 04/12/2017.
Erstellt von
Ashton Coatesworth · Dez 2017
Aktualisiert
11 Dez 2017
Aufrufe
3
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