Which of the following allows for standing a 5man watch?

The correct answer highlights the essential tools and systems that facilitate a five-member watch effective in various maritime operations. Each component plays a critical role in maintaining safety and security on board.

CCTV (Closed-Circuit Television) is vital for real-time monitoring, allowing watchstanders to observe key areas for unauthorized access or emergencies without being physically present. Radios are crucial for communication between watchstanders and other crew members as well as for relaying urgent information or receiving guidance from command. The Memorandum of Understanding outlines the protocols and agreements in place, ensuring clarity about roles and responsibilities among different parties. Fire/Bilge Alarms are necessary safety systems that alert the crew to potential hazards immediately, enabling a fast-response approach to emergencies. Cold Steel, referring to equipment like knives or tools, emphasizes readiness for any physical intervention required by the watch.

The other options include elements that are useful but do not collectively equip a watch team as thoroughly as those listed in the correct answer. For instance, alarm systems and communication devices are important, but the combination in the context of Option A provides a more comprehensive overview of what is necessary for a well-functioning five-person watch.