# NPTEL Cryptography And Network Security Assignment 4 Answer

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**“NPTEL Cryptography And Network Security Assignment 4 Answer”**

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## NPTEL Cryptography And Network Security Assignment

The aim of this course is to introduce the student to the areas of cryptography and cryptanalysis. This course develops a basic understanding of the algorithms used to protect users online and to understand some of the design choices behind these algorithms. Our aim is to develop a workable knowledge of the mathematics used in cryptology in this course. The course emphasizes to give a basic understanding of previous attacks on cryptosystems with the aim of preventing future attacks. A wide variety of basic cryptographic primitives will be discussed along with recent developments in some advanced topics like identity-based encryption, attribute-based encryption, functional encryption, two-party/multi-party computation, bitcoin and crypto-currency and postquantum cryptography. The cryptanalysis part will help us understanding challenges for cybersecurity that includes network security, data security, mobile security, cloud security and endpoint security.

**INDUSTRY SUPPORT :**Stratign FZE, Dubai(UAE), SAG, DRDO, ISRO, WESEE, NTRO.

**Next Week Assignment Answers**

This course can have Associate in Nursing unproctored programming communication conjointly excluding the Proctored communication, please check announcement section for date and time. The programming communication can have a weightage of twenty fifth towards the ultimate score.

- Assignment score = 25% of average of best 8 assignments out of the total 12 assignments given in the course.
**( All assignments in a particular week will be counted towards final scoring – quizzes and programming assignments).**- Unproctored programming exam score = 25% of the average scores obtained as part of Unproctored programming exam – out of 100
- Proctored Exam score =50% of the proctored certification exam score out of 100

**YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF ASSIGNMENT SCORE >=10/25 AND**

**UNPROCTORED PROGRAMMING EXAM SCORE >=10/25 AND PROCTORED EXAM SCORE >= 20/50.**

**If any one of the 3 criteria is not met, you will not be eligible for the certificate even if the Final score >= 40/100.**

**CHECK HERE OTHERS NPTEL ASSIGNMENTS ANSWERS **

*BELOW YOU CAN GET YOUR NPTEL Cryptography And Network Security Assignment 4 Answer 2022***?** :

**?**:

**1. x ^{3}+x+1 over R is a ………
**

(a) reducible polynomial

(b) irreducible polynomial

(c) both(a) and (b)

(d) neither (a) nor (b)

Answer:-b

**2. Let f{x)= 2x ^{2}+3x+3 and g(x) = 3x^{2}+2x+1. Then the degree of f(x) + g{x) over Z_{5} is**

(a) 3

(b) 2

(c) 1

(d) 0

Answer:-b

**3. What is the remainder when 3 ^{444} + 4^{333} is divided by 5?**

(a) 0

(b) 1

(c) 2

(d) 3

Answer:-a

**4. If p is an odd prime, then there are ……. quadratic residues.
**

(a) p

(b) p-1

(c) (p-1)/2

(d) (p+1)/2

Answer:-c

**5. The quadratic residues mod 11 are ….
**

(a) 1,3,4,5,9

(b) 1,2,3,4

(c) 1,3,5,7,8,9

(d) None of these

Answer:-a

**6. What is the remainder when _{66}^{6} is divided by 7?**

(a) 1

(b) 2

(c) 4

(d) 6

Answer:-a

**7. Let p = 8 and q = 19. Then ó(Pg)= ..
**

(a) 70

(b) 57

(c) 38

(d) 72

Answer:-d

**8. Last digit of 32022 …
**

(a) 3

(b) 5

(c) 7

(d) 9

Answer:-d

**9. If ged(a, n) = 1, then aon) = 1 (mod n), where o(n) is Euler’s totient function. The above statement is ..
**

(a) True

(b) False

Answer:-a

**10. Let f(x) = 3x ^{3} +2x +1 and g(x) = x^{2}+4x +1. Then the degree of f(x) * g(x) over Z_{s} is**

(a) 3

(b) 2

(c) 4

(d) 5

Answer:-d

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