39 smart cards fences guard dogs and card key access

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39 Smart cards, fences, guard dogs, and card-key access are known as A. Mandatory controls B. Physical controls C. Preventive controls D. Detective controls Answer: C See Chapter 4. Preventive controls are those that are used to prevent security events. 40 Is identification weaker than authentication?
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A. Yes: Identity is based only on the assertion of identity without providing proof. B. Yes: Identification uses ASCII data, whereas authentication uses binary data. C. No: Identification and authentication provide the same level of identity. D. No: They're used in different contexts and have nothing to do with each other. Answer: A See Chapter 4. Identification is only the assertion of identity, whereas authentication is the proof of identity. 41 Two-factor authentication is so-called because A. It requires two of the three authentication types. B. Tokens use two-factor encryption to hide their secret algorithms. C. Authentication difficulty is increased by a factor of two. D. It uses a factor of two prime numbers algorithm for added strength. Answer: A See Chapter 4. Two-factor authentication requires any two of Type 1 (something you know), Type 2 (something you have), and Type 3 (something you are) authentication. 42 The term something you are refers to A. A user’s security clearance B. A user’s role C. Two-factor authentication D. Biometric authentication Answer: D See Chapter 4. Something you are refers to authentication that measures something physical, such as a fingerprint, retina scan, or voiceprint. 43 Two-factor authentication is stronger than single-factor authentication because A. It uses a factor of two prime numbers algorithm for added strength. B. It relies on two factors, such as a password and a smart card. C. Authentication difficulty is increased by a factor of two. D. The user must be physically present to authenticate.
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Answer: B See Chapter 4. Two-factor authentication requires any two of Type 1 (something you know), Type 2 (something you have), and Type 3 (something you are) authentication. 44 Finger print, retinal scan, and palm scans are examples of A. Biometric authentication B. Physical controls C. Type 2 authentication D. Three-factor authentication Answer: A See Chapter 4. These are all biometrics. Other examples include hand geometry scans, voice scans, and signature scans. 45 Tokens, smart cards, and ATM cards are examples of A. Logical controls B. Identifiers C. Something you have D. Type 3 authentication Answer: C See Chapter 4. These are examples of something you have, also known as Type 2 authentication. 46 Single sign-on performs which of the following? A. Stores the password locally by using a Save My Password feature B. Permits authentication to applications without having to log in one by one C. Stores the password and uses a cookie for subsequent authentication D. Is no longer used because it's not secure Answer: B See Chapter 4. Single sign-on (SSO) permits a user’s authentication to be granted to all participating applications. SSO alleviates the problem of having to remember several different user IDs and passwords.
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