What is the function of an IP address in a network?

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Multiple Choice

What is the function of an IP address in a network?

An IP address serves as a unique label for a device on a network, making it possible to route data to the right place. Each IP packet includes the source and destination IP addresses in its header; routers read the destination address to decide the next hop toward the destination, while the source address lets the recipient send a reply and supports troubleshooting. The other options describe things that aren’t the essential role of an IP address—logging activity, encryption, and quality-of-service decisions are handled by separate systems or mechanisms, not by the IP address itself.

An IP address serves as a unique label for a device on a network, making it possible to route data to the right place. Each IP packet includes the source and destination IP addresses in its header; routers read the destination address to decide the next hop toward the destination, while the source address lets the recipient send a reply and supports troubleshooting. The other options describe things that aren’t the essential role of an IP address—logging activity, encryption, and quality-of-service decisions are handled by separate systems or mechanisms, not by the IP address itself.

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