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What tells a firewall how to reassemble a data stream that has been divided into packets?
- a)The source routing future
- b)The number in the header’s identification field
- c)The destination IP address
- d)The header checksum field in the packet header
Correct answer is option 'A'. Can you explain this answer?
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What tells a firewall how to reassemble a data stream that has been di...
Answer: a
Explanation: source routing future.
Explanation: source routing future.
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What tells a firewall how to reassemble a data stream that has been di...
Source Routing Feature:
The source routing feature tells a firewall how to reassemble a data stream that has been divided into packets. Source routing allows the sender of a packet to specify the route that the packet should take through the network. By including source routing information in the packet header, the sender can ensure that the packet reaches its destination in the correct order.
Packet Identification Field:
The number in the header's identification field is used to help reassemble fragmented packets. When a packet is divided into multiple fragments, each fragment is assigned the same identification number. This allows the receiving end to group the fragments together and reconstruct the original packet.
Destination IP Address:
The destination IP address is used by the firewall to determine where to send the packets once they have been reassembled. By examining the destination IP address in the packet header, the firewall can forward the packets to the correct destination.
Header Checksum Field:
The header checksum field in the packet header is used to verify the integrity of the header information. It is not directly involved in reassembling data streams, but it ensures that the header information has not been corrupted during transmission. If the checksum does not match the calculated value, the packet may be discarded to prevent errors in data reassembly.
The source routing feature tells a firewall how to reassemble a data stream that has been divided into packets. Source routing allows the sender of a packet to specify the route that the packet should take through the network. By including source routing information in the packet header, the sender can ensure that the packet reaches its destination in the correct order.
Packet Identification Field:
The number in the header's identification field is used to help reassemble fragmented packets. When a packet is divided into multiple fragments, each fragment is assigned the same identification number. This allows the receiving end to group the fragments together and reconstruct the original packet.
Destination IP Address:
The destination IP address is used by the firewall to determine where to send the packets once they have been reassembled. By examining the destination IP address in the packet header, the firewall can forward the packets to the correct destination.
Header Checksum Field:
The header checksum field in the packet header is used to verify the integrity of the header information. It is not directly involved in reassembling data streams, but it ensures that the header information has not been corrupted during transmission. If the checksum does not match the calculated value, the packet may be discarded to prevent errors in data reassembly.
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What tells a firewall how to reassemble a data stream that has been divided into packets?a)The source routing futureb)The number in the header’s identification fieldc)The destination IP addressd)The header checksum field in the packet headerCorrect answer is option 'A'. Can you explain this answer?
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