Which tool shows the path packets travel to a destination?

Which tool shows the path packets travel to a destination?

• A. Traceroute
• B. Torch
• C. Bandwidth Test
• D. Packet Sniffer

Answer: (A)

To understand how data moves to a destination, you need visibility into the path the packets take. A traceroute shows each hop along the route from your device to the target, along with the time it takes to reach each hop. It works by sending probes with small, gradually increasing time-to-live values. When a router along the path receives a probe with an expired TTL, it sends back a reply (often ICMP Time Exceeded), and your system records that router’s address and the round-trip time. The result is a hop-by-hop map of the route and the latency to each hop, which helps pinpoint where delays or failures occur. Other tools focus on different aspects: a packet sniffer captures and analyzes the contents of packets at a point in time but doesn’t reveal the route to the destination; a bandwidth test measures the throughput between endpoints rather than the path taken; a tool like Torch analyzes live traffic on an interface but doesn’t enumerate the route to a destination.

To understand how data moves to a destination, you need visibility into the path the packets take. A traceroute shows each hop along the route from your device to the target, along with the time it takes to reach each hop. It works by sending probes with small, gradually increasing time-to-live values. When a router along the path receives a probe with an expired TTL, it sends back a reply (often ICMP Time Exceeded), and your system records that router’s address and the round-trip time. The result is a hop-by-hop map of the route and the latency to each hop, which helps pinpoint where delays or failures occur.

Other tools focus on different aspects: a packet sniffer captures and analyzes the contents of packets at a point in time but doesn’t reveal the route to the destination; a bandwidth test measures the throughput between endpoints rather than the path taken; a tool like Torch analyzes live traffic on an interface but doesn’t enumerate the route to a destination.