Multiple choice

In a smart card, the security features are

(a) multiple pins (b) retinal pattern verification (c) dynamic signature verification (d) vein recognition

  1. (a) and (c) only

  2. (b) and (c) only

  3. (a), (c) and (d) only

  4. (a) to (d) all
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In a smart card, the security features are retinal pattern, dynamic verification, signature verification, multiple pins and vein recognition. Thus, all the parts are correct. 

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