Answer: C) Keyword Explanation: Reserved words are words that cannot be used as object or variable names in a Java program because they're already used by the syntax of the Java programming language. Java reserved words are keywords that are reserved by Java functions or other uses that cannot be used as identifiers (e.g., variable names, function names, class names). If a reserved word was used as a variable you would get an error or unexpected result.   Examples : Int, Long, Abstract, Class, Break, Catch, Case, Public, Static, Void,...

Answer: A) P@Q$T#U*W Explanation: Here the P is the wife of Q who is brother of T who is daughter of U. That implies P is wife of U's son Q => U is father-in-law of P.

Answer: C) one broadcast and three collision Explanation: If a switch has three computersconnected to it, with no VLANs present , one broadcast and three collision domains are created.

Answer: C) 232 Explanation: Here 2nd number = (1st number x 1 )+1  3rd number = (2nd number x 2 +2)  4th number = (3rd number x 3 )+3 and so on..   Therefore, 5th number = (4th number x 4) +4 =57 x 4 + 4 =232.