According to the study of SNMP$,$ which of the following statement is not true?

Question $40$ options:

In tree$-$like topologies, the core links are the most heavily loaded, with edge links $($within racks$)$ being the least loaded.

Average packet size is around $850$ bytes, with peaks around $40$ bytes and $1500$ bytes

$40\%$ of links are unused, with the actual set of links continuously changing.

Average packet size is around $850$ bytes, with peaks around $1000$ bytes and $1500$ bytes