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1. Specifies the maximum time the packet is allowed to remain in the network.
2. Specifies the IP address of the intended recipient of the packet.
3. Indicates the entire packet size, including both header and data, in bytes.
4. The process of breaking down a large packet into smaller ones to fit the maximum transmission unit of a network.
5. A value used to verify the integrity of data during transmission.
6. A formatted unit of data carried by a packet-switched network.
7. Used for error-checking the header to ensure data integrity.
8. The process of selecting paths in a network along which to send network traffic.
9. A section of data that precedes the actual payload and contains control information.
10. Indicates the position of the fragment in the original packet.
11. Provides an indication of the abstract parameters of the quality of service desired.
12. Used to control or identify fragments of the packet.
13. A unique value used to identify the packet, primarily for reassembly purposes.
14. The actual data being transported by a packet, excluding header and trailer information.
15. Indicates the version of the Internet Protocol being used.
16. A set of rules that governs the format of data sent over a network.
17. Specifies the IP address of the sender of the packet.
18. Specifies the length of the header in 32-bit words.