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A. To test a device on the network is reachable
The Ping (Packet Internet Groper) command is a network utility used to test the reachability of a host on an Internet Protocol (IP) network and to measure the round-trip time for messages sent from the originating host to a destination computer. The primary uses of the Ping command include:
1. Network Connectivity Testing: Ping is mostly used to check if a device can reach another device on the network. When you ping a specific IP address or domain, it helps determine whether the target is online and is responding to network requests.
2. Diagnosing Network Performance Issues: By measuring the time it takes for a packet to travel from the source to the destination and back (round-trip time), Ping can give an indication of the network latency or delay between two points. High latency values may indicate network congestion or problems along the network path.
3. Network Troubleshooting: Ping can help in troubleshooting and isolating network problems. For example, if pings to local devices on the network succeed but pings to external sites fail, the issue might lie with the Internet connection or the gateway/router.
4. Verifying IP Address Configurations: By using Ping, you can verify if a computer is correctly configured with an IP address. If pings to the loopback address (127.0.0.1) or the computer’s own IP address succeed, the network interface is functioning correctly.
5. Routing Path Tracing: Although not the primary function,