$1.$ What could prevent ping or traceroute responses from reaching the originating device beside network connectivity issues?

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$2.$ If you ping a non$-$existent address on the remote network, such as $209\mathrm{.}165\mathrm{.}200\mathrm{.}227,$ what is the message displayed by the ping command? What does this mean? If you ping a valid host address and receive this response, what should you check?

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$3.$ If you ping an address that does not exist in any network in your topology, such as $192\mathrm{.}168\mathrm{.}5\mathrm{.}3,$ from a Windows$-$based PC$,$ what is the message displayed by the ping command? What does this message indicate?

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$4.$ What is the IPv$4$ TTL value set on the Windows host? What is the IPv$4$ TTL value set on a Cisco device?

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$5.$ What is the IPv$6$ Hop Limit value set on the Windows host? What is the IPv$6$ Hop Limit value set on a Cisco device?

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