Which of the following is NOT an e-mail service?

Ann, a technician, is installing network cables for an office building. Some of the cables are not showing active on the switch even when moved to different ports. Which of the following is MOST likely the cause?

A. Port speed mismatch B. Faulty F-connectors C. Bad wiring D. Bad switch

Answer the following statements true (T) or false (F)

1. A statement of the form dblVar = intVar is a narrowing assignment statement. 2. An assignment statement of the form intVar = 8 / 4 is not valid. 3. After the statement txtBox.Text = "" is executed, the text box will be clear and the cursor will appear inside the text box. 4. A string literal is a sequence of characters that is treated as a single entity. 5. When declaring a variable of type String, you must specify a length for the string.