ICT GCSE Revision - Connectivity

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What does a home network allow?
Users to share an internet connection
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What does LAN stand for?
Local Area Network
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What are the benefits of a home network?
Sharing files, internet connection, peripherals, internet telephone services
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To create a home network you need to set up a...?
Local Area Network
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What does an NIC stand for?
Network Interface Card
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What do you need an NIC to do?
connect computers to the network
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What is a router needed for?
Connecting the home network to the internet
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What does the router connect to? What does thsi give them?
Modem > Internal IP Address
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What will usually give you the modem and router combined?
Internet Service Providers
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What do you have to look at when choosing a type of network?
Setting up, Cost, Bandwidth, Security, Inference, Mobility
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What is another way of connection?
Powerline
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What does a powerline do?
Uses existing power wiring as a framework to carry data
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Wireless networks are ---- secure than cable ones
Less
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Why are wireless networks less secure than cable ones?
Because anyone within range can access it
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What are the ways of securing wireless networks?
Changing default admin password on router, encryption, setting up Media Access Control (MAC), reducing transmitter power, turnign off router when not in use, hiding router by stopping router broadcasting its SSID (Service Set Identifier
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What does encryption do?
scrambles data so that the only computers that can read it are the ones with the right key
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What are forms of protection foer wireless networks?
WEP, WPA-PSK and WPA2
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Each device in your network has a ___ address?
MAC
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What does a compatible device mean?
Can come together with other devices without a problem
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In which ways can phones connect?
4G, mini USB port, Wi-Fi, Bluetooth
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In which ways can a laptop connect?
Bluetooth, Ethernet port, Firewire port, USB port, Wi-Fi
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What does converging mean?
performing functions that were orignally performed by different devices
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What are the bandwidth and latency?
measurements to describe the performance of a network connection
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What is the network performance?
how well the network can transfer the bits
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What is bandwidth?
the number of bits go through a network connection in 1 second
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what is bandwidth measured in?
bps - bits per second
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what is latency?
the time in miliseconds between a bit leaving one device and it arriving at the second
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what is latency measured in?
miliseconds (ms)
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what bandwidth do you need to stream videos?
high
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to get results on google, what bandwidth do you need?
low
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The best networks have a ____ bandwidth and ____ latency
high, low
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Wi-Fi needs to be within a range of...?
wireless access point or hotspot
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What is a peer to peer network?
when devices communicate wirelessly directly without a need for a transmitter
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What is WiFi direct?
allows devices to connect directly without the need for a wireless access point
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How many devices can Bluetooth connect to at a time?
8
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What does VoIP stand for?
Voice over Internet Protocol
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What does VoIP enable you to do?
make free voice calls from computer to computer
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What is VoIP?
the set of rules for transmitting audio messages over the internet
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What are the communication protocols when sending and receiving emails?
POP3, IMAP, SMTP
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What is STMP?
Simple Mail Transfer Protocol
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What is POP3?
Post Office Protocol - downloads email, then deleted from server
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What is IMAP?
Internet Message Access Protocol - the email is read on the mail server, not deleted from server
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What is HTTP?
the procotol to surf the internet
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WHat is HTTPS?
the send confidential information procotol
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Other cards in this set

Card 2

Front

Local Area Network

Back

What does LAN stand for?

Card 3

Front

Sharing files, internet connection, peripherals, internet telephone services

Back

Preview of the back of card 3

Card 4

Front

Local Area Network

Back

Preview of the back of card 4

Card 5

Front

Network Interface Card

Back

Preview of the back of card 5
View more cards

Comments

AZLEEFA

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Thank you, this is very helpful.

KLISS SMALL

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