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Which of the following offers advantages such as the ab…

Which of the following offers advantages such as the ability to use stronger passwords, easier password
administration, one set of credential, and faster resource access?

PrepAway - Latest Free Exam Questions & Answers

A.
Smart cards

B.
Single Sign-On (SSO)

C.
Symmetric Ciphers

D.
Public Key Infrastructure (PKI)

Explanation:
Single Sign-On (SSO) allows a user to enter credentials once to gain access to all resources in primary and
secondary network domains. Thereby, minimizing the amount of time users spend authenticating to resources
and enabling the administrator to streamline user accounts and better control access rights. Furthermore,
security is improved by reducing the likelihood that users will record passwords and also lessens the
administrator’s time spent on adding and removing user accounts and modifying access permissions. Because
SSO requires a user to remember only one password, a but one of the goals is that if a user only has to
remember one password, a more complicated and secure password policy can be enforced.
Incorrect Answers:
A: Smart cards are used for authentication purposes in access control. Although it can provide extra protection
in an SSO environment, it does not provide the ability to use stronger passwords, easier password
administration, one set of credential, and faster resource access.
C: Symmetric Ciphers are used for encryption and decryption. It does not provide the ability to use stronger
passwords, easier password administration, one set of credential, and faster resource access.
D: Public Key Infrastructure allows for people who are widely dispersed to communicate securely and
predictably.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, pp. 200, 207, 208, 833
https://en.wikipedia.org/wiki/Symmetric-key_algorithm#Cryptographic_primitives_based_on_symmetric_ciphers


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