Network basics and internet - SC

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Network basics and internet - SC by Mind Map: Network basics and internet - SC

1. How networks are structured

1.1. Server based network

1.1.1. Node is any network device

1.1.2. Servers control what the node accesses

1.1.3. Users gain access by logging in

1.1.4. Nodes and servers share data roles

1.1.5. Servers are used to control access

1.2. Peer to peer networks (P2PN)

1.2.1. All nodes are equal

1.2.2. Nodes access resources on other nodes

1.2.3. Most modern OS allows PSPN

1.2.4. Each node controls its own resources

2. Network topologies

2.1. Topology

2.1.1. Logical layout of wires and equipment

2.2. Packets

2.2.1. Pieces of data transmitted over a networks

3. Types of networks

3.1. Common Network Types

3.1.1. Local Area Network (LAN)

3.1.2. Wide Area Network (WAN)

3.2. Hybrid Network Types

3.2.1. Campus Area Network (CAN)

3.2.2. Metropolitan Area Network (MAN)

3.2.3. Home Area Network (HAN)

3.2.4. Personal Area Network (PAN)

4. Network media

4.1. Links that connects nodes

4.2. Twisted-pair cabling

4.3. Coaxial cable

4.4. Fiber-optic cable

4.5. Wireless

5. Network Hardware

5.1. Network interface card (NIC)

5.1.1. Network adapter

5.1.2. Connects node to the media

5.2. Network linking devices

5.2.1. Hub

5.2.2. Switch

5.2.3. Bridge

5.2.4. Router

5.2.5. Gateway

6. Definition

6.1. Set of technologies that connects computers

6.2. Allows communication and collaboration between users

7. Searching the web

7.1. Directories categorize the Internet

7.2. Search engines find sites by keyword

7.3. Search Techniques

7.3.1. Quote the exact phrase

7.3.2. Use the keyword AND, NEAR, OR

7.3.3. Avoid common words

8. About the internet

8.1. Internet allows accessing resources

8.2. The web simplifies the Internet

8.3. The web connects documents

8.4. Web site is a collection of documents

8.5. HTML- creates web pages

8.6. Browser- reads and translates the HTML

9. Accessing the Internet

9.1. Internet Service Provider (ISP)

9.1.1. Company that provides Internet acces

9.2. Dial up

9.2.1. Connects to Internet through phone line

9.3. High speed access

9.3.1. Connects through a special line

10. Major Services

10.1. The World Wide Web (WWW)

10.1.1. Allowed connection of documents

10.1.2. Required a browser to read documents

10.2. Electronic mail (e-mail)

10.2.1. Instantaneous transmission of documents

10.3. News

10.3.1. Electronic discussions on several topics

10.4. File Transfer Protocol

10.4.1. Sends and recieves files

10.5. Peer-to-peer services

10.5.1. Allows sharing of files among users

10.6. Network basics and internet

11. Network

12. Internet