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      Question

      What is the function of the 'ping' command in

      networking?
      A To display all active network connections on a system and send them Echo request to test network connections Correct Answer Incorrect Answer
      B To trace the route packets take to reach a destination Correct Answer Incorrect Answer
      C To send ICMP Echo Request packets to a host to test reachability and measure round-trip time Correct Answer Incorrect Answer
      D To resolve a domain name to its IP address Correct Answer Incorrect Answer
      E To display the routing table of a network device Correct Answer Incorrect Answer

      Solution

      ping uses ICMP (Internet Control Message Protocol) Echo Request messages. If the target is reachable, it replies with Echo Reply packets, and ping reports round-trip time (RTT) and packet loss. Used for basic network troubleshooting. Related commands: tracert/traceroute (route tracing), nslookup (DNS), netstat (connections), route print (routing table).

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