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Exam 3: User Authentication

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Question 1

True/False

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Enrollment creates an association between a user and the user'sbiometric characteristics.

A) True
B) False

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Question 2

Multiple Choice

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A __________ strategy is one in which the system periodically runs its own password cracker to find guessable passwords.

A) user education
B) proactive password checking
C) reactive password checking
D) computer-generated password

E) B) and D)
F) A) and B)

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Question 3

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User authentication is a procedure that allows communicating parties toverify that the contents of a received message have not been altered and that the source is authentic.

Each individual who is to be included in the database of authorized users must first be __________ in the system.

Identification is the means of establishing the validity of a claimedidentity provided by a user.

An institution that issues debit cards to cardholders and is responsible for the cardholder's account and authorizing transactions is the _________.

An authentication process consists of the _________ step and the verification step.

A smart card contains an entire microprocessor.

In a __________ attack, an application or physical device masquerades as an authentic application or device for the purpose of capturing a user password, passcode, or biometric.

The technique for developing an effective and efficient proactive password checker based on rejecting words on a list is based on the use of a __________ filter.

A __________ attack involves an adversary repeating a previously captured user response.

A __________ is a separate file from the user IDs where hashed passwords are kept.

A __________ is directed at the user file at the host where passwords, token passcodes, or biometric templates are stored.

Memory cards store and process data.

__________ defines user authentication as "the process of verifying an identity claimed by or for a system entity".

A __________ is a password guessing program.

User authentication is the basis for most types of access control and foruser accountability.

Identifiers should be assigned carefully because authenticatedidentities are the basis for other security services.

User authentication is the fundamental building block and the primaryline of defense.

Voice pattern, handwriting characteristics, and typing rhythm are examples of __________ biometrics.