1.Which of the following control procedures mitigates the threat of duplicate payments?

Select one:

a. Photocopied invoices can be paid.

b. Invoices should be approved for payment only when accompanied by a valid purchase order.

2.Which one of the following set of instructions can be used for taking advantage of a weakness in a program?

Select one:

a. patch

b. vulnerability

c. update

d. exploit

c. When an invoice is paid, the invoice and the entire voucher package should be canceled (for example marked paid) in a way that it cannot be submitted again.

d. When evaluated receipt settlement (invoice-less system) is used, receiving reports need not be marked as paid as no invoices are generated.

3.Which of the following is a support activity in the value chain?

Select one:

a. Receiving materials

b. Manufacturing

c. Post-sales service

d. Purchasing