Cybercrime Practice Test

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The IP address is associated with which layer of the OSI model?
Correct Answer:
Layer 3
Explanation:
IP addresses identify networks and hosts and are used by routers to forward packets from source to destination. This is a network layer function, where addressing is logical and scalable across different networks. At this layer, protocols like IP and ICMP handle addressing and routing decisions, while Layer 2 handles the actual local delivery with MAC addresses. The interaction between layers, such as using ARP to map an IP address to a MAC address on a local network, illustrates how IP (Layer 3) sits above the data link layer. Therefore, the IP address is associated with Layer 3.

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