User Authentication Mechanisms

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What is the main goal of modern password-based authentication techniques?

To encrypt passwords and store them in the database
To use something derived from the passwords in order to protect them (correct)
To add randomness to the password-based mechanism
To use the password itself for authentication

What is the primary purpose of using authentication tokens?

To use something derived from the passwords
To store the password itself in the database
To require the user to possess the tokens (correct)
To add randomness to the password-based mechanism

What is the name of the infrastructure that can be used in conjunction with certificate-based authentication?

PKI (correct)
SHA-1
Smart Cards
MD5

What is a characteristic of a good algorithm for deriving passwords?

The output of the algorithm should be the same each time it is executed (B) Signup and view all the answers

What is the name of the process that involves running an algorithm on a password to produce a derived password?

Something Derived from Passwords (C) Signup and view all the answers

What type of authentication uses physiological and behavioral characteristics?

Biometrics (A) Signup and view all the answers

What is the purpose of the server decrypting the encrypted random challenge received from the user?

To verify the user's password (C) Signup and view all the answers

What is the role of the client in Internet applications?

To encrypt the password before transmission (C) Signup and view all the answers

What is the purpose of the two encryption operations?

To provide two layers of security (A) Signup and view all the answers

What is the purpose of an authentication token?

To generate a new random value for authentication (B) Signup and view all the answers

What is the difference between the two encryption operations?

They are in no way directly related to each other (C) Signup and view all the answers

What is the purpose of SSL in Internet applications?

To provide a secure connection (B) Signup and view all the answers

What is the primary function of the answer to reset (ATR) message in a smart card?

To define the parameters and protocols that the card can use (A) Signup and view all the answers

What is the purpose of the protocol type selection (PTS) command in a smart card?

To change the protocol used and other parameters on the card (D) Signup and view all the answers

What is the role of the authentication server in creating an authentication token?

To generate the random seed for the token (A) Signup and view all the answers

What is the purpose of the pseudorandom numbers generated by an authentication token?

To authenticate the user with the one-time password (C) Signup and view all the answers

What is the relationship between the seed value and the one-time password generated by an authentication token?

The seed value is used to generate the one-time password (B) Signup and view all the answers

What happens when a smart card is inserted into a reader?

The reader performs a reset function on the card (B) Signup and view all the answers

What is the primary benefit of federated login for users?

Freedom from setting up separate login accounts for different websites (D) Signup and view all the answers

What is the role of the OpenID provider in the OpenID specification?

Registering the OpenID URL and verifying the end user's identity (C) Signup and view all the answers

What is the purpose of the crypto-secured identifier in OpenID?

To enable the relying party to recognize the user across multiple sessions (B) Signup and view all the answers

Which of the following is NOT a role defined in the OpenID specification?

Resource provider (C) Signup and view all the answers

What is the outcome of the authentication process in OpenID?

The OpenID provider returns a crypto-secured identifier to the relying party (D) Signup and view all the answers

Which of the following companies sponsors OpenID?

Facebook, Microsoft, Google, PayPal, Ping Identity, Symantec, and Yahoo (A) Signup and view all the answers

What is the primary function of OAuth Authorization framework?

To determine what resources a user will be able to access (C) Signup and view all the answers

What is the purpose of OpenID Connect in the context of OAuth?

To handle single sign-on authentication (A) Signup and view all the answers

What is the term for the process of determining rights in access control?

Policy enforcement (B) Signup and view all the answers

What is the purpose of labeling objects in Mandatory Access Control (MAC)?

To limit operations based on security clearance levels (B) Signup and view all the answers

What is the term for the process of ensuring only authorized rights are exercised?

Authorization (D) Signup and view all the answers

What is the broader context of access control related to?

Policy enforcement and authorization (A) Signup and view all the answers