Answer:
i do not know
Explanation:
but it helps to communication
Answer:
The failsafe method when facial recognition method is unavailable is the Personal Identification Number (PIN) method.
Explanation:
The Personal Identification Number (PIN) option is available for setup for cases when other biometric authentication methods fail due to several reasons.
Answer:
customers += newCustomer;
Explanation:
The operator += expands into + and assignment. The assignment is not overloaded so the required code is
customers += newCustomer;
This expands into
customers = customers + newCustomer;
The overloaded + operator is called for the right expression. This returns a `CustomerList`, which is then assigned through the = operator to `customers`.
i believe the answer would be B