We learned that applications and services may require services or functions external to the enterprise in order to function properly, if at all. These are called "External Dependencies" be

Provide a thorough scenario where a business is unable to use five or more of these services and explain the impact (BIA) that this could have on the business and their clients.

E-mail: Voice communications: Fax: Domain name service (DNS): World Wide Web: Federated identity: PKI: Online language translators: External service providers