INTRODUCTION OF THE INTERNET

1. INTERNET

1.1. the largest and most well-known computernetwork

1.2. ADVANTAGES

1.2.1. easy to connect to many type of information online

1.2.2. onlines services

1.2.3. buy or sell product online

1.3. DISADVANTAGES

1.3.1. theft of personal information

1.3.2. spamming

1.3.3. virus threat

1.3.4. pornography

2. EXTRANET

2.1. a private network that connects more than one organizations

2.1.1. USAGE- accessible only to limited users

2.1.2. SECURITY- low to moderate

3. INTRANET

3.1. the largest and most well-known computer network

3.1.1. USAGE- to provide information for organization employees

3.1.2. ADVANTAGES

3.1.2.1. confidential data is kept

3.1.2.2. email controlled by specific organization

3.1.2.3. high bandwidth

3.1.3. DISADVANTAGES

3.1.3.1. require more security

3.1.3.2. need more budgets

3.1.3.3. more cost of training