In TCP/IP, the ___________ protocol is used to handle the fragmentation and reassembly of packets.

  • ICMP
  • ARP
  • IP
  • TCP
The correct option is "IP." In the TCP/IP protocol suite, the Internet Protocol (IP) is responsible for handling the fragmentation and reassembly of packets. IP breaks large packets into smaller fragments for transmission across networks with different maximum transmission unit (MTU) sizes and reassembles them at the destination. ICMP (Option 1) is used for error reporting and network diagnostics. ARP (Option 2) resolves IP addresses to MAC addresses. TCP (Option 4) is a transport layer protocol for reliable, connection-oriented communication.
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