Answer:
inspect the CPR mask and make sure that the one-way valve is correctly in place.
Explanation:
Based on the information provided within the question it seems that the next logical step would be to inspect the CPR mask and make sure that the one-way valve is correctly in place. This valve allows oxygen to be pushed into the victim's lungs but does not pull the oxygen back through the valves, that is part of the chest compression's that the person performing the CPR needs to do.
Virtualization. To enable easy deployment and scalability, it should be easy to spin up new machines on request. Virtualization offers the possibility to clone operating systems and deploy solutions independent of the actual hardware.
Every node connects to a central network device. like a hub, switch, or computer.
