Q9 Single choice Mark for later What sort of security does a Public Key Infrastructure (PKI) offer? A It provides digital certificates which can be used to digitally sign documents. Such signatures irrefutably determine from whom a document was sent. B Having a PKI shows customers that a web-based business is secure. C By providing agreements, procedures and an organization structure, a PKI defines which person or which system belongs to which specific public key. D A PKI ensures that backups of company data are made on a regular basis. Correct answer