Answer :

Final answer:

To send frames to the host with IPv4 address 10.1.1.5, Switch0 uses the port associated with the host's MAC address in its MAC address table. If the address is unknown, it broadcasts the frame on all ports except the source to discover the right port.

Explanation:

The switch operates at the data link layer (Layer 2) of the OSI model and uses MAC (Media Access Control) addresses to forward frames to the appropriate port. When a frame arrives at Switch0 destined for the host with the IPv4 address 10.1.1.5, the switch refers to its MAC address table. This table associates each MAC address to specific ports on the switch.

If the switch already has the MAC address that corresponds to the IPv4 address 10.1.1.5 in its table, it will use the port associated with that MAC address to send the frame. If it does not have the MAC address, it will broadcast the frame to all ports except the one it came from, effectively asking "Who has 10.1.1.5?" When the host with IP 10.1.1.5 responds, the switch updates its MAC address table with the host's MAC address and the port it's connected to. From then on, it directly sends frames to that port.

Switches use the MAC address table to determine the port to send frames to a specific host based on its IP address.

In order to determine the port used by switch0 to send frames to the host with the IPv4 address 10.1.1.5, we need to understand how switches operate. Switches use the MAC address of a device to determine the appropriate port to send frames to. The MAC address is associated with an IP address through the Address Resolution Protocol (ARP). The switch will maintain a table called the MAC address table or the CAM table, which maps MAC addresses to ports.

So, in this case, switch0 will use its MAC address table to determine the MAC address associated with the IPv4 address 10.1.1.5. Once it has the MAC address, it will forward frames destined for that IP address to the port associated with that MAC address in the table.

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