127.0.0.1 is a ___
a. Static route
b. Route print
c. Loopback
d. null0 interface
c. Loopback
Explanation: 127.0.0.1 is a loopback to the host computer. A loopback means the data is routed directly back to the source. A static route is a data traffic route that has been manually entered into either a router's or a computer's routing table. Route print is the command used to obtain the routing table for a host Windows-based PC computer. Linux/Unix hosts use the netstat command with different flags. A null0 interface is a virtual bit-bucket interface where every packet discarded.
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