As the data packet moves from the upper to the lower layers in the layer hierarchy, headers are added. This process is known as encapsulation.

Here's a step-by-step explanation:

1. When a user sends data from a network, the data is first received by the Application Layer. This layer is responsible for network services like email, file transfer, etc. No headers are added or removed at this stage.

2. The data then moves to the Transport Layer. Here, a transport header is added to the data. This header includes information like the source and destination port numbers.

3. Next, the data packet moves to the Network Layer. At this layer, an IP header is added. This header contains source and destination IP addresses.

4. Finally, the data packet reaches the Data Link Layer. Here, a frame header and trailer are added. The header includes the MAC address of the source and destination machines.

So, as the data packet moves from the upper to the lower layers, headers are added to it.

Question

As the data packet moves from the upper to the lower layers in the layer hierarchy, headers are added. This process is known as encapsulation.

Here's a step-by-step explanation:

1. When a user sends data from a network, the data is first received by the Application Layer. This layer is responsible for network services like email, file transfer, etc. No headers are added or removed at this stage.

2. The data then moves to the Transport Layer. Here, a transport header is added to the data. This header includes information like the source and destination port numbers.

3. Next, the data packet moves to the Network Layer. At this layer, an IP header is added. This header contains source and destination IP addresses.

4. Finally, the data packet reaches the Data Link Layer. Here, a frame header and trailer are added. The header includes the MAC address of the source and destination machines.

So, as the data packet moves from the upper to the lower layers, headers are added to it.

Knowee AI · Accepted Answer

As the data packet moves from the upper to the lower layers in the layer hierarchy, headers are added. This process is known as encapsulation.

Here's a step-by-step explanation:

1. When a user sends data from a network, the data is first received by the Application Layer. This layer is responsible for network services like email, file transfer, etc. No headers are added or removed at this stage.

2. The data then moves to the Transport Layer. Here, a transport header is added to the data. This header includes information like the source and destination port numbers.

3. Next, the data packet moves to the Network Layer. At this layer, an IP header is added. This header contains source and destination IP addresses.

4. Finally, the data packet reaches the Data Link Layer. Here, a frame header and trailer are added. The header includes the MAC address of the source and destination machines.

So, as the data packet moves from the upper to the lower layers, headers are added to it.

Q2. In the layer hierarchy as thedata packet moves from the upperto the lower layers, headers are• Removed• Rearranged• Added• Modified

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