Hi a warm welcome to the site, lots here will feel your frustration without the harsh words xx
3) requirements might be understanding your first aid certificate will have an expiration date, you might need to complete English & Math qualifications? undertake additional safeguarding, child protection and food hygiene courses? What does your setting expect you to do?
4) Why is it important to understand the limits of your competency?
By acknowledging your knowledge has limits will mean you are less likely to act outside of your authority, break any laws/legislation, regulations or put yourself, the children, parents and colleagues at risk. No one knows everything and by asking for help, guidance, advice or support whenever you're unsure about something will protect all.
This
unit has more information in it to help you word your response
5) Identify sources of advice and guidance to help you understand your level of competency.
Your tutor, assessor, setting management or those that have a managerial responsibility eg. network lead
Page 42 of this sample chapter
SCH32 Engage in personal development book chapter will help with 2)
What handbook do you have?