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In network programming and administration, checking the status of a destination host and establishing communication with another host is a fundamental task to ensure network connectivity and troubleshoot potential issues. One of the primary methods to verify whether a host is reachable is through the use of the `ping` command. The `ping` utility operates by sending Internet Control Message Protocol (ICMP) Echo Request packets to the target host and waits for an Echo Reply. If the host responds, it indicates that the host is active and reachable on the network. For example, executing `ping ` or `ping ` from a terminal or command ________ ______ ________ _____ ________ __________ _____ ___.
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