2. *The single worldwide computer network that
interconnects other computer networks, on
which end-user services, such as World Wide
Web sites or data archives, are located,
enabling data and other information to be
exchanged Also known as the Net.
*Internet
3. *A domain name translates to an IP address. For
example, we would call Google, ‘Google’
which is it’s domain name and not it’s IP
address which would be 72.14.207.99. It is
possible that the IP will change if the
computer configuration changes there.
*State the link between domain
names and IP addresses
4. *Data packets: a data packet is a basic unit of
communication over a digital network. A data
packet is also called a datagram, a segment,
a block, a cell or a frame.
*Packet switching: the structure of the packets
vary depending on the protocols effecting
them.
*A very simple explanation of
data packets and packet
switching
5. *The function of routers: a router is a
device that is used on a network to
direct internet traffic from a source
to it’s destination. They are used in
private networks and on the internet.
Routers can also function to protect
against the outside internet traffic
entering an internal network.
*A very simple explanation of
the function of routers
