Which of the following cable types has the shortest maximum cable run length?

Which of the following tools would be used to determine if the connection is punched down and there is noise coming across the cable?

A. Multimeter B. Cable tester C. Voltage event recorder D. Protocol analyzer

Where should the variables that a program uses be defined?

A. At the end of a program B. In the middle of a program C. At the top of the program D. When the code needs it