Which of the following is a security advantage of single sign-on? (Select TWO).

Question

Options

• AUsers only have to remember one password.
• BApplications need to validate authentication tokens.
• CAuthentication is secured by the certificate authority.
• DLess time and complexity removing user access.
• EAll password transactions are encrypted.

• A
  91% (52)
• B
  5% (3)
• C
  2% (1)
• E
  2% (1)

Explanation

SSO provides two clear security advantages selected here. First, users only need to remember one password (A): this reduces the tendency to write down passwords, reuse weak passwords across systems, or choose easily guessable credentials for lesser-used systems. Fewer passwords means a reduced attack surface for credential-based attacks. Second, SSO significantly reduces the time and complexity of removing user access (D): when an employee is terminated or changes roles, administrators revoke a single SSO account rather than hunting down and disabling accounts across dozens of individual systems - reducing the window of unauthorized access. Answer B (applications validating tokens) is a technical requirement of SSO, not a security benefit. Answer C (CA securing authentication) is not inherent to all SSO implementations. Answer E (encrypted password transactions) is not universally true of all SSO systems.

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