Question: Computer 1 on Network A sends a packet to Computer 2 on Network C. What's the last step that Router Z does after receiving

Computer 1 on Network A sends a packet to Computer 2 on Network C. What's the last step that Router Z does after receiving the Ethernet frame? Strips away the Ethernet frame, leaving the IP datagram. Performs a checksum calculation against the entire datagram Sends back the packages to router Y for confirmation Calculates a checksum and compares this checksum with the one in the Ethernet frame header Decrements the TTL by 1, calculates a new checksum, and makes a new IP datagram. This new IP datagram is again encapsulated on a new Ethernet frame. Computer 1 on network C, with IP address of 172.16.1.57, wants to send a packet to Computer 2, with IP address of 172.16.1.133. If the TTL value was set to 64 at the beginning, what is the value of the TTL once it reaches its destination? 61 65 64 0

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