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RAW CS 1.4

Networks -Part 1

QuestionAnswer
What can affect the performance of a network? Bandwidth Interference Hardware / Wired Networks Cables - Copper / Fibre Optic Topology
What connections are fast and reliable - Wired or Wireless? Wired
Do Copper Cables or Fibre Optic Cables give the better performance? Fibre Optic
What affects the performance of wireless? The performance depends on the signal quality and the signal quality can be affected by; the range of the device; interference from other devices and physical obstructions such as a wall
What can affect bandwidth performance? Too many Users Heavy Use (Streaming) Amount of Bandwidth
What type of network would a company hire cables for? PAN, WAN or LAN WAN
What type of network would a company use their own cables for? PAN, WAN or LAN LAN
What network is located on a large single site? LAN, PAN or WAN LAN
What network is located on a small single site? LAN, PAN, or WAN PAN
What network is located across different geographical locations? LAN, PAN or WAN WAN
Who would use a LAN? Businesses, Schools and Universities
LANs are either______ using ethernet cables or _______ using WiFi Wired and Wireless
Why would you use a LAN? Share files Share the same hardware (like printers) Install and update software all at once Communicate with LAN users cheaply and easily User accounts stored centrally so users can log on from any device Users can work at the same time
Why would you use Encryption Software? To scramble (encrypts) data to stop third-parties from accessing it.
How can encrypted data be decrypted / accessed With the correct encryption key
Encryption data is translated in to a _______ Code
What is encrypted text called? Cipher text
What is non-encrypted data called? Plain text
What would you encrypt data? To send securely send data over a network
Why would a website use use HTTPS
What is the name given for sending out fake / spoof emails? Phishing
What is the function of a Domain Name Server? (DNS) A Domain Name Server translates a website's domain name in to its IP address / stores domain names of website in a directory
What are the differences between the internet and the World Wide Web? The internet is a global network of networks. The World Wide Web is a collection of websites hosted on webservers (Global Network Vs Collection of Websites)
Name 5 Ethernet features 1) Reduces the possibility of being hacked 2) Stable connection 3) generally a good quality signal 4) More secure 5) Faster traffic speed
Name 5 WiFi features 1) User not tied down to a specific location 2) The signal quality will reduce through walls or obstructions 3) Cheap set-up costs 4) More vulnerable to hacking 5) The connection is not as stable as wired networks and can 'drop off'
Created by: Jennybutton
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