19360456
Description
Mind Map by Erin Bailey, updated more than 1 year ago
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Created by Erin Bailey
over 5 years ago
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Network
- Hardware
- Router
- Routers, so that all the devices can
connect, usually have Ethernet
connections. Some devices have
wireless connections to the router.
Most routers can connect your
device to a WAN (wide area
network) because they have a
modem built in. By having a router,
you can share internet
connections, printers, files across
different devices using WiFi.
- Routers, so that all the devices can
connect, usually have Ethernet
connections. Some devices have
wireless connections to the router.
Most routers can connect your
device to a WAN (wide area
network) because they have a
modem built in. By having a router,
you can share internet
connections, printers, files across
different devices using WiFi.
- Switch
- A switch is used so that all of the
devices can reach a central point on
a LAN (local area network). Switches
can connect to other switches and
routers around a large LAN (like a
school, hospital or office block). It's
a way you can connect loads of
Ethernet cables to a server. The
switch will have 30 Ethernet cables
attached to it and then it will send
only 1 signal to the server, as an
example.
- A switch is used so that all of the
devices can reach a central point on
a LAN (local area network). Switches
can connect to other switches and
routers around a large LAN (like a
school, hospital or office block). It's
a way you can connect loads of
Ethernet cables to a server. The
switch will have 30 Ethernet cables
attached to it and then it will send
only 1 signal to the server, as an
example.
- Ethernet
Cables
- Ethernet cables allow the
users computer or device to
connect to a router, switch or
another computer. They allow
high data transfer speeds
across your LAN of up to 1000
Mbps (mega bites per
second).
- Ethernet cables allow the
users computer or device to
connect to a router, switch or
another computer. They allow
high data transfer speeds
across your LAN of up to 1000
Mbps (mega bites per
second).
- Network
Interface
Card
- Any device that connects to a LAN or a
WAN must have a network interface
card. The card will connect your device
to a switch,router or a wireless access
point. In portable devices a network
interface card will be wireless.
Desktop PCs will normally have a
network interface card with an
Ethernet port and an antenna to
connect wirelessly.
- Any device that connects to a LAN or a
WAN must have a network interface
card. The card will connect your device
to a switch,router or a wireless access
point. In portable devices a network
interface card will be wireless.
Desktop PCs will normally have a
network interface card with an
Ethernet port and an antenna to
connect wirelessly.
- Wireless
access point
(WiFi range
extender)
- They are used to connect
portable devices to your
LAN. They're used to
improve the signal in places
where the router can't
reach. They're commonly
used in large buildings and
transport like trains.
- They are used to connect
portable devices to your
LAN. They're used to
improve the signal in places
where the router can't
reach. They're commonly
used in large buildings and
transport like trains.
- Server
- A server is like a powerful
computer that controls the
network. This allows you to log
into your computer and it can
backup your files and manage
the security of the network. All
your files will be stored on the
server. Websites and cloud
storage is stored on a web
server. Your computer
connects this using a WAN.
- A server is like a powerful
computer that controls the
network. This allows you to log
into your computer and it can
backup your files and manage
the security of the network. All
your files will be stored on the
server. Websites and cloud
storage is stored on a web
server. Your computer
connects this using a WAN.
- Modem
- A modem is used to
connect you to a WAN
such as the internet.
- A modem is used to
connect you to a WAN
such as the internet.
- Peripherals
- A peripheral can connect
to a LAN if they have a
network interface card.
Other peripherals may
connect to your
computer system's WPAN
using bluetooth.
- A peripheral can connect
to a LAN if they have a
network interface card.
Other peripherals may
connect to your
computer system's WPAN
using bluetooth.
- Router
- Network
Types
- LAN
- Local Area Network. The LAN
is a small geographical area
that your router shares an
internet source with. It's
usually in homes and small
buildings but can be
connected to WAN's using a
modem or phone line.
Devices which are connected
together over a small
geographical area.
- Local Area Network. The LAN
is a small geographical area
that your router shares an
internet source with. It's
usually in homes and small
buildings but can be
connected to WAN's using a
modem or phone line.
Devices which are connected
together over a small
geographical area.
- WAN
- Wide Area Network.
WAN is a large area
where lots of LAN's can
connect to. An example is
the internet. You can use
it to access people on the
other side of the world.
Networks which are
connected together over
a large geographical area.
- Wide Area Network.
WAN is a large area
where lots of LAN's can
connect to. An example is
the internet. You can use
it to access people on the
other side of the world.
Networks which are
connected together over
a large geographical area.
- WPAN
- Stands for wireless
personal area
network. This allows
us to connect devices
together over a short
range. An example of
this is using
Bluetooth to connect
devices together (for
example a loud
speaker to a
smartphone; a
mouse to a laptop or
a PS4 controller to
your games console).
- Stands for wireless
personal area
network. This allows
us to connect devices
together over a short
range. An example of
this is using
Bluetooth to connect
devices together (for
example a loud
speaker to a
smartphone; a
mouse to a laptop or
a PS4 controller to
your games console).
- LAN
- Key Words
- Peripheral
- Peripheral devices are
devices which are not part
of the network but are
connected to it. For
example, a phone,
laptop,Xbox etc.
- Peripheral devices are
devices which are not part
of the network but are
connected to it. For
example, a phone,
laptop,Xbox etc.
- Data
Transfer
Speed
- The Data Transfer Rate (DTR) is the
amount of digital data that is moved
from one place to another given time.
It's usually measured in bits per
second.
- The Data Transfer Rate (DTR) is the
amount of digital data that is moved
from one place to another given time.
It's usually measured in bits per
second.
- Security
- The security of a
device, how safe
it is from threats.
- The security of a
device, how safe
it is from threats.
- Range
- The range is
how far a
connection
can reach.
- The range is
how far a
connection
can reach.
- Peripheral
- Connection Types
- Wifi
- LAN
- Advantages
- Cheap and
cost effective.
- Usually has a strong
data transfer speed.
- Cheap and
cost effective.
- Disadvantages
- Can't connect
over a large
area of land,
have to be in a
certain range.
- Can't connect
over a large
area of land,
have to be in a
certain range.
- LAN
- Ethernet Cables
- LAN
- Advantages
- Has a
high data
transfer
speed.
- Very secure,
hard to be
interrupted.
- Has a
high data
transfer
speed.
- Disadvantages
- Can be expensive.
- Not cost
effective
compared
to Wifi.
- Can be expensive.
- LAN
- Bluetooth
- WPAN
- Advantages
- You can
have up to
7 devices
connected
at once.
- You can
have up to
7 devices
connected
at once.
- WPAN
- Wifi
- Network Security
Threats
- Firewall
- It controls which programs can
send or receive data packets
from your computer or
network. It stops unauthorised
users/intruders from accessing
your computer system. Only
trusted programs should be
allowed to send and receive
data packets.
- It controls which programs can
send or receive data packets
from your computer or
network. It stops unauthorised
users/intruders from accessing
your computer system. Only
trusted programs should be
allowed to send and receive
data packets.
- Anti-malware
Software
- Antivirus softwares keep your computer
safe from viruses, trojan horses, worms
and zombies. It scans all downloads and
email attachments on your computer so
it can make sure you don’t open
anything that could cause harm to your
computer. It’s important that you
update the software often so it can keep
your device safe from new threats.
- Antivirus softwares keep your computer
safe from viruses, trojan horses, worms
and zombies. It scans all downloads and
email attachments on your computer so
it can make sure you don’t open
anything that could cause harm to your
computer. It’s important that you
update the software often so it can keep
your device safe from new threats.
- Passwords
- It keeps unauthorised users out
of your device or account. If you
have private information or data
in the account, it will keep
hackers or intruders out. If you
get the password wrong a certain
amount of times, it will
automatically lock you out for a
set amount of time.
- It keeps unauthorised users out
of your device or account. If you
have private information or data
in the account, it will keep
hackers or intruders out. If you
get the password wrong a certain
amount of times, it will
automatically lock you out for a
set amount of time.
- Encryption
- It scrambles data packets using a
cipher so that only people with the key
can decrypt. It means that you can
send personal information or
confidential information to people
with a strong chance that it won’t be
affected by hackers who are trying to
retrieve your data and make money on
it or use it against you.
- It scrambles data packets using a
cipher so that only people with the key
can decrypt. It means that you can
send personal information or
confidential information to people
with a strong chance that it won’t be
affected by hackers who are trying to
retrieve your data and make money on
it or use it against you.
- Firewall
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