In Java, the character class has both an isDigit method and an isLetter method.
if (Character.isDigit(a) || Character.isLetter(a)){
return true;
} else {return fase;}
Answer: Twisted pair cabling in the shielded form can be used for the mentioned situation in the question
Explanation: Twisted pair cables in shielded form are easy to make a connection .It does not create lot of noise and has reduced cross talk .It is a low weighted cable and so it can be easily attached with the ceiling tile.
The maintenance of the complete cabling is not a issue and interference is also low that fulfills the requirement of disruption-less network signal.The overall costing of the cable is also less .Thus shielded twisted pair cable are the most appropriate cable for the mentioned situation.
class C network addresses range from 192 to 223
