What is called the percentage at which the False Rejection Rate equals the False Acceptance Rate?
Answer(s): C
The percentage at which the False Rejection Rate equals the False Acceptance Rate is called the Crossover Error Rate (CER). Another name for the CER is the Equal Error Rate (EER), any of the two terms could be used.Equal error rate or crossover error rate (EER or CER)It is the rate at which both accept and reject errors are equal. The EER is a quick way to compare the accuracy of devices with different ROC curves. In general, the device with the lowest EER is most accurate.The other choices were all wrong answers:The following are used as performance metrics for biometric systems:false accept rate or false match rate (FAR or FMR): the probability that the system incorrectly matches the input pattern to a non-matching template in the database. It measures the percent of invalid inputs which are incorrectly accepted. This is when an impostor would be accepted by the system.False reject rate or false non-match rate (FRR or FNMR): the probability that the system fails to detect a match between the input pattern and a matching template in the database. It measures the percent of valid inputs which are incorrectly rejected. This is when a valid company employee would be rejected by the system.Failure to enroll rate (FTE or FER): the rate at which attempts to create a template from an input is unsuccessful. This is most commonly caused by low quality inputs.
KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, 2001, John Wiley & Sons, Page 38.andhttps://en.wikipedia.org/wiki/Biometrics
Considerations of privacy, invasiveness, and psychological and physical comfort when using the system are important elements for which of the following?
Answer(s): B
Acceptability refers to considerations of privacy, invasiveness, and psychological and physical comfort when using the system.
KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, 2001, John Wiley & Sons, Page 39.
Which of the following biometric characteristics cannot be used to uniquely authenticate an individual's identity?
Answer(s): D
The following are typical biometric characteristics that are used to uniquelyauthenticate an individual's identity:FingerprintsRetina scansIris scansFacial scansPalm scansHand geometryVoiceHandwritten signature dynamics
KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, 2001, John Wiley & Sons, Page 39. And: HARRIS, Shon, All-In-One CISSP Certification Exam Guide, McGraw-Hill/Osborne, 2002, chapter 4: Access Control (pages 127-131).
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?
The advantages of SSO include having the ability to use stronger passwords, easier administration as far as changing or deleting the passwords, minimize the risks of orphan accounts, and requiring less time to access resources.
Which of the following describes the major disadvantage of many Single Sign-On (SSO) implementations?
Answer(s): A
Single Sign-On is a distrubuted Access Control methodology where an individual only has to authenticate once and would have access to all primary and secondary network domains. The individual would not be required to re-authenticate when they needed additional resources. The security issue that this creates is if a fraudster is able to compromise those credential they too would have access to all the resources that account has access to.All the other answers are incorrect as they are distractors.
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