What does a Kerberos authentication server issue to a client that successfully authenticates?

A master password

A ticket$-$granting ticket

A digital certificate

An encryption key

What advantages does single sign$-$on offer? Check all that apply.

It enforces multifactor authentication.

It reduces the total number of credentials,

It reduces time spent authenticating.

It provides encrypted authentication.

What does OpenID provide?

Authentication delegation

Digital signatures

Cryptographic hashing

Certificate signing