Which one is not a correct encapsulation example?
select one or more:
a. from transport layer to network layer segments become packets
b. from network layer to datalink layer packets become frames
c. from physical layer to datalink layer bits become frames
d. from transport layer to application layer message become segment / user datagram
e. from application layer to transport layer message become segmet / user datagram

Iunderstand how you feels bad brother.

Answeroperating system fingerprinting

Function tipcalculate (slider, bill){  var tip = document.getelementbyid('tipamount');   var slideval = document.getelementbyid('slideval');   var bill = document.getelementbyid(bill).value;   var prcnt = slider * .01;       if (bill == null || bill == '') {      tip.innerhtml = ' enter an amount';       return false;   }  if(isnan(bill)) {      tip.innerhtml = ' enter a number';       return false;   }  if(bill > = 0){      tip.innerhtml = '$' + (bill * prcnt) .tofixed(2);   slideval.innerhtml = slider + '%';   }}