2.0 Network

Define the computer network.

• A network is a collection of computers and devices connected together via communications devices and transmission media.

  
  

• A network is a collection of computers and devices connected together via satellite and earth.

  
  

• A network is a interact with others to exchange information and develop professional or social contacts

• A network is a collection of computers and devices connected together via sending device and receiving devices.

Azlan would like to buy a device that can help him to connect both his phone and laptop to the Internet at his home wirelessly. Suggest several possible devices that Azlan could consider buying

• Wireless Modem

• Wireless Modem Router

• Wireless Broadband Router

• Wireless Access Point

• Wireless Scanner

Azlan would like to buy a device that can help him to connect both his phone and laptop to the Internet at his home wirelessly. Suggest several suitable transmission media for Azlan connection.

• Broadcast radio

• Cellular Radio

• Infra red

• Sattelite

Nowadays, people from different countries can communicate easily with each other due to the existence of networks. However, there are also a few drawbacks to the networks. Which of the statement is not disadvantages of network.

• Costly to set up.

• Malware such as viruses and worms can be easily spread by itself electronically inside one network

• Files in the server may become corrupted or inaccessible due to network failure.

• Don't need extra cables or adaptors to access to a network.

Define a peer-to-peer network.

• A network where computer has equal responsibilities and capabilities.

• A network where all devices are connected to a central server.

• A network where devices are connected in a star topology.

• A network where devices communicate through a mesh topology.

A network that is suitable for a small network where high-level security is not necessary

• Peer to peer

• Client Server

• LAN

• WAN

 Every node can do both requests and responses for the services.

• Peer to peer

• Client Server

• LAN

• WAN

A network in which data backup and recovery is easier since all data is stored in the central location

• Peer to peer

• Client Server

• LAN

• WAN

“A local cafe creates a Wi-Fi network that allows only their customers to connect to the internet.”

• Local Area Network

• Wide Area Network

• Computer Area Network

• Personal Area Network

State 2 advantages of LAN

• Easy to set up and manage a network

• Cheaper cost to set up

• Provide unlimited geographic coverage.

• Highly resistant to cyberattacks.