Qo7. What will be WkONG about below Figure? a) The number on x-2xis 1011 shows the number of different patsecrds tried. Around 3 sk of all passwords are cracked with this fumber of trials b) y axis show the preparedness level of the system against bnute force attacks c) Paure is about offine dictionary table attack or rainbow table athack d) A conslderable perchitage of users did not choose streng passwarth Figure 3.4 The Percantage of Pasxycr ds Guened After a Rivin Nimher if finemes. Q08. Which will be WRONG about biometric user authentication? a) Iris recognition has the least (zero) false match (false positive) rate b) Blometric user authentication requires reader hardware and software which may be costiy c) Biometric authentication does not decide with equality check, it decides by similarity ratio being greater than seme threshold value d) False match and false non-match ratio will not change among different biometric user authentication methods. Q09. Which procedure will need more processing time? a) Enrollinent b) Verification c) Identification d) Al will need equal processing time Q10. You see protocol for password based remote user authentication in below figure. Against which type of attack that sending random number to the client will protect from? a) replay b) eavesdroppins c) Thouldersurfing d) packet sniffins