An organization has an account management policy that defines parameters around each type of account. That policy specifies different security attributes, such as longevity, usage auditing, password complexity, and identity proofing. The goal of the account management policy is to ensure the highest level of security while providing the greatest availability without compromising data integrity for users. Which of the following account types should the policy specify for service technicians from corporate partners?

- guest account

- user account

- shared account

- privileged user account

- default account

- service account