Networking

The main advantage of computer networking is sending files from one computer

• Playing online games with friends
• Sharing resources between multiple computers
• Sending emails between computers
• Printing documents remotely

A network device used to regenerate

• Hub
• Router
• Repeater
• Firewall

Layer that interact voltage, current,utp,stp

• Physical Layer
• Network Layer
• Transport Layer
• Data Link Layer

Layer that Interact the user

• Presentation Layer
• Application Layer
• Data Layer
• Network Layer

A four-pair wire medium used in a variety of networks.

• Coaxial cable
• Fiber optic cable
• Twisted pair cable
• Ethernet cable

•All devices are connected to one another in the shape of a closed loop.

• Mesh Topology
• Ring Topology
• Bus Topology
• Star Topology

It act like a switch forwards packets based on IP address

• Switch
• Hub
• Firewall
• Router

A cables are most commonly used to connect to a devices console port to make

programming changes to the device.

• Rollover cable

• UTP cable

• STP cable

• Ethernet cable

One sender . One receiver on a group

• Multicast

• Broadcast

• Anycast

• Unicast

The standard model of the Internet

• Bluetooth model
• Ethernet model
• Cable model

• TCP/IP model