Explain the purpose of the ARP protocol in the TCP/IP protocol suite.

  • Encrypts data for secure transmission
  • Establishes a secure connection between devices
  • Provides a mapping between IP addresses and MAC addresses
  • Routes packets between different networks
ARP (Address Resolution Protocol) is used to resolve network layer addresses (IPv4) into link layer addresses (MAC addresses). When a device wants to send data to another device on the same network, it needs to know the MAC address associated with the IP address of the recipient. ARP helps in this mapping process, ensuring efficient communication within the local network.
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