1. How Encryption for Strong Security
Works
1. VPN
2. WAN
3.Router
4. Firmware

2. VPN
A virtual private
●
network (VPN) is a
computer network in
which some of the
links between nodes
are carried by open
connections or virtual
circuits in some larger
network instead of by
physical wires.

3. WAN
WAN is wide area
●
network. It is a
computer network that
covers broad area.
Less formally, a Wan
is a wireless network
that uses routers and
public
communications links.

4. Router
A router is a
●
networking device
whose software and
hardware are usually
tailored to the tasks of
routing and forwarding
information. For
example, on the
Internet, information is
directed to various
paths by routers.

5. Firmware
Software built into
equipment to do basic
control of hardware. It
is called the firmware
from installing in the
equipment fixing, and
no so much addition
of the change as
intermediate existence
of hardware and
software.

6. Reference
http://ja.wikipedia.org/
•
•www.fmmc.or.jp