1. How Encryption for
Strong Security Works
s1160145 Daisuke Tochigi
s1160147 Satoru Tomioka
s1160169 Taichi Hasegawa
s1160170 Fumiya Hanafusa

2. VPN
VPN is the service that can use
a public line as if it is a dedicated line.

3. Router
Router is communications equipment
to connect networks more than two.

4. WAN
Abbreviation of Wide Area Network.
Connect the computer that exists mutually
in a point away witha line mutually and
exchange data.

5. TCP/IP
Protocol used standard
by the Internet and Intranet .

6. Firewall
System that prevents it from invading
computer network in organization
from the outside.