(Hands-On Activity) Use the online dig tool(http://www.digwebinterface.com, described in the PLE “DNS ExampleUsing dig”) to investigate load balancing.
a) Request the A record for google.com. What is the first IPaddress listed?
b) Wait for at least the TTL (number of seconds in the 2ndcolumn) and execute the dig command again. Now, what is the firstIP address listed?
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