introduction to computers lesson 8b. home ways to connect to the internet direct connection remote...
Post on 29-Jan-2016
214 Views
Preview:
TRANSCRIPT
Introduction to Computers
Lesson 8BLesson 8B
homehome
Ways to Connect to the Internet
Direct connectionRemote terminal connectionGateway connectionLANModemHigh-speed data linkISDNDSLCable
homehome
Two PC Internet Connection Issues
Software
Network connection
homehome
Winsock
Lets multiple software applications work
with multiple network connections
homehome
Firewall
A firewall blocks unauthorized entry into
a network that is connected to the
Internet
homehome
Examples of Firewalls
Proxy server
Packet filter
Application gateway
Circuit gateway
homehome
Two Corporate Web Spin-offs
Intranet
Extranet
homehome
Intranet
A LAN or WAN that uses TCP/IP
protocols but belongs exclusively to a
corporation, school or organization
homehome
Extranet
An intranet accessible to outside
Internet users
homehome
Internet Business Concerns
Ownership
Libel
Appropriate use
homehome
E-commerce
Doing business online
homehome
Two Payment Options for E-Commerce Consumers
One-time credit card purchase
Online account
homehome
Methods for Providing Personal Information Security on Web Sites
Secure sockets layer (SSL) and encryption
Secure HTTP (S-HTTP)
Lesson 8BLesson 8B
Getting Online, Working Getting Online, Working OnlineOnline
top related