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Connection types of Packet Tracer:
1.
This is the automatically choose connection type. This option chooses the best connection
automatically. But it cannot connect console ports.
2.
This connection type is used to connect two devices of different layers of OSI model.
i.e hub to router, switch to PC.
3.
This connection type is used to connect different devices operating in the same layer of
the OSI model.
i.e hub to hub, PC to PC.
4.
This connection type is used to connect the cloud to a cable modem and also a TV with
the cloud.
5.
This connection type is used to connect a network device with the PC/Laptop.
6.
This connection type is used to connect fast Ethernet and gigabit Ethernet ports.
7.
This connection type is the serial DCE (Data Circuit Terminating Equipment). It is used
to connect different routers and routers to the cloud.
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8.
This connection type is the serial DTE (Data Terminating Equipment). It is used to
connect serial connections. i.e two routers , routers to cloud.
9.
This connection type is the RJ11 cable which connects the analog phone to VoIP phone.
It also connects PC’s modem to cloud and modem interfaces of the routers.
OSI model:
OSI stands for Open System Interconnections. It defines the network frame of seven different
layers. Through the OSI model we can easily get the information that how the layers are
interacting with each other.
There are seven different layers of the OSI model. Layers 1-4 are lower layers which only
moves data around. Layers 5-7 are upper layers which contains application data. Every layer has
a specific task, after the task is performed the data is transferred to the next layer.
Following are the seven layers of OSI model:
1. Physical:
Layer 1 convers a bit stream through network at electrical and mechanical level. It
provides a hardware path for the data to travel.
2. Data:
It activates, maintains and deactivates a reliable link for the data to travel. It also
detects errors so that higher layers may assume error free transmission.
3. Network:
It transports the information to the next layer. It is not necessary when there are direct
links.
4. Transport:
It exchanges data between end systems. It is error free and loss free layer.
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5. Session:
This layer controls the dialogue between applications. It is also plays role in grouping and
recovery of data.
6. Presentation:
This layer compresses the data. It also checks the data format and encryption.
7. Application:
This layer supports applications and end user processes.

Unformatted Attachment Preview

Connection types of Packet Tracer: 1. This is the automatically choose connection type. This option chooses the best connection automatically. But it cannot connect console ports. 2. This connection type is used to connect two devices of different layers of OSI model. i.e hub to router, switch to PC. 3. This connection type is used to connect different devices operating in the same layer of the OSI model. i.e hub to hub, PC to PC. 4. This connection type is used to connect the cloud to a cable modem and also a TV with the cloud. 5. This connection type is used to connect a network device with the PC/Laptop. 6. This connection type is used to connect fast Ethernet and gigabit Ethernet ports. 7. This connection type is the serial DCE (Data Circuit Terminating Equipment). It is used to connect different routers and routers to the cloud. 8. This connection type is the serial DTE (Data Terminating Equipment). It is used to connect serial connections. i.e two routers , routers to cloud. 9. This connection type is the RJ11 cable which connects the analog phone to VoIP phone. It also connects PC’s modem to cloud and modem interfaces of the routers. OSI model: OSI stands for Open System Interconnections. It defines the network frame of seven different layers. Through the OSI model we can easily get the information that how the layers are interacting with each other. There are seven different layers of the OSI model. Layers 1-4 are lower layers which only moves data around. Layers 5-7 are upper layers which contains application data. Every layer has a specific task, after the task is performed the data is transferred to the next layer. Following are the seven layers of OSI model: 1. Physical: Layer 1 convers a bit stream through network at electrical and mechanical level. It provides a hardware path for the data to travel. 2. Data: It activates, maintains and deactivates a reliable link for the data to travel. It also detects errors so that higher layers may assume error free transmission. 3. Network: It transports the information to the next layer. It is not necessary when there are direct links. 4. Transport: It exchanges data between end systems. It is error free and loss free layer. 5. Session: This layer controls the dialogue between applications. It is also plays role in grouping and recovery of data. 6. Presentation: This layer compresses the data. It also checks the data format and encryption. 7. Application: This layer supports applications and end user processes. Name: Description: ...
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