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Read the webpage. Then, choose the correct answers. 1 What is the purpose of the website? A to compare cab signaling equipment suppliers B to describe a specific cab signaling brand C to describe cab signaling operations D to list the pros and cons of cab signaling 2.Which of the following is NOT used to transmit information to the cab? A pulse codes C magnets B trip-stops D wayside signals 3 What will cause an active system to default? A ignoring a warning B passing a wayside signal C activating a trip-stop D receiving a pulse code