You are flying VFR outside the 30-nautical-mile Mode C veil surrounding the primary airport of a Class B airspace area and intend to penetrate the veil. Prior to entering the veil, what is the appropriate transponder operation?

(Refer to Figure 64.) After engine start on the Terminal ramp, you receive taxi clearance from Ground Control to Runway 19 via taxiways A, C, and B, holding short of the active runway. What is the MOST APPROPRIATE transponder setting during this ground operation?

Refer to the provided figure. After landing on runway 19, your aircraft is rolling out past the marking labeled 'D'. With an inoperative radio, the control tower flashes a red light signal directed at your aircraft. What is the meaning of this signal?

(Refer to the provided figure.) While taxiing from the terminal area onto taxiway A at this airport, ATC instructs you to "squawk IDENT." What is the appropriate transponder response?

(Refer to Figure 49.) While on the base leg for runway 22 at this airport in communication with the tower, you experience a complete loss of two-way radio communications. The MOST appropriate transponder code to squawk is

(Refer to Figure 79, Chart Supplement.) Sioux Gateway/Col. Bud Day Field (SUX) has a part-time control tower. When the tower is closed, which frequency serves as the Common Traffic Advisory Frequency (CTAF)?