Select the statements are true about Security Assertion Markup Language. (Select all that apply) a. Allows system owners to "off-load" authentication tasks to a trusted third-party b. Permits authentication to multiple services/sites using a single set of credentials c. SAML assertions send encrypted usernames and passwords to service providers to perform system authentication d. It replaced Extensible Markup Language because it is more secure Which of the following statements correctly describes passwords? a. They are the least expensive authentication factor to use and can be the least secure. b. They are the most expensive authentication factor to use and can be the most secure c. They are the least expensive authentication factor to use and can be the most secure d. They are the most expensive authentication factor to use and can be the least secure What encryption key is used to verify a digital signature of a message? a. The receiver's private key b. The sender's public key c. The receiver's public key d. The sender's private key