Which command can you enter to verify that a 128-bit address is live and responding?
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The correct command to verify that a 128-bit address is live and responding is the "ping" command.
Ping is a utility used to test the connectivity of a device on a network. It works by sending an Internet Control Message Protocol (ICMP) echo request message to the target device and waiting for a response. If the target device is live and responding, it will send an ICMP echo reply message back to the originating device.
To use the ping command to verify the connectivity of a 128-bit address, you would enter the following command:
cssping <IPv6 address> For example, if the IPv6 address you want to test is 2001:0db8:85a3:0000:0000:8a2e:0370:7334, you would enter the following command:
yamlping 2001:0db8:85a3:0000:0000:8a2e:0370:7334 If the device with that IPv6 address is live and responding, you will receive output similar to the following:
pythonPING 2001:0db8:85a3:0000:0000:8a2e:0370:7334(2001:0db8:85a3:0000:0000:8a2e:0370:7334) 56 data bytes 64 bytes from 2001:0db8:85a3:0000:0000:8a2e:0370:7334: icmp_seq=1 ttl=64 time=0.129 ms 64 bytes from 2001:0db8:85a3:0000:0000:8a2e:0370:7334: icmp_seq=2 ttl=64 time=0.145 ms 64 bytes from 2001:0db8:85a3:0000:0000:8a2e:0370:7334: icmp_seq=3 ttl=64 time=0.141 ms 64 bytes from 2001:0db8:85a3:0000:0000:8a2e:0370:7334: icmp_seq=4 ttl=64 time=0.139 ms --- 2001:0db8:85a3:0000:0000:8a2e:0370:7334 ping statistics --- 4 packets transmitted, 4 received, 0% packet loss, time 3000ms rtt min/avg/max/mdev = 0.129/0.138/0.145/0.012 ms This output indicates that the device with the IPv6 address 2001:0db8:85a3:0000:0000:8a2e:0370:7334 is live and responding to ping requests. The output shows that four ICMP echo request packets were sent and received, with no packet loss, and the round-trip time (RTT) for each packet.