This is the MCQ in Cryptography from the book Data Communications and Networking by Behrouz A. Forouzan. Your email address will not be published. Ans: Stateful inspection firewall, 84. Ans: Risk leverage, 87. C) Stacks. The DES algorithm is fixed for a _________ bit key. Ans: Pair of keys (two keys). The questions asked in this NET practice paper are from various previous year papers. 58. Ans: Lattice, 48. The inadvertent flaws fall into _________ categories Ans: Cryptanalyst. Security policy must be realistic. The _______ has established a service for assessing the security of commercial web sites. IKE is considered a hybrid protocol because it combines (and supplements) the functions of three other protocols _______ and ________. PGP stands for __________. You will be quizzed on how it works and examples of it in use. In _____________, each piece of information is ranked at a particular sensitivity level, such as unclassified, restricted, confidential, secret, or top secret. 1 . Jamia Indian Defence Personnel Assignments, Quality Management MCQ – TQM multiple choice questions answers, Project Management MCQs with Answers pdf notes, Java Multiple Choice Questions with answers, Production and Operations Management MCQ with answers, Multiple Choice Questions on Personality Development. Stack is also called as. Ans: Security planning, Cryptography and Network Security MCQ with answers Set-II, Customer Relationship Management MCQ with Answers. Ans: Secure Electronic Transaction (SET), 72. When one entity pretends to be a different entity, we call it ________. __________ is often used as a safe way for general users to access sensitive data. The Secure Shell Connection Protocol Message exchange has the fist phase as “Opening a Channel” and it sends a message with parameters-. Questions from Previous year GATE question papers, UGC NET Previous year questions and practice sets. Ans: Ciphertext, 9. Ans: key-value, 10. DES encrypting the plaintext as blocks of __________ bits. True/False Input message in Cryptography is called; (a) Plain text (b) Cipher Text (c) Plain and cipher (d) None of the above ( ) 2. 1) You are supposed to use hill cipher for encryption technique. Ans: Vulnerability, 3. Unlike regular operating systems, trusted systems incorporate technology to address both ____ and _____ 14. DATA STRUCTURES and ALGORITHMS MCQs. Posted in: Computer Science MCQs Tagged: Computer Network MCQs, Data Communication MCQs. Attempt a small test to analyze your preparation level. In a(n) _____, the key is called the secret key. A _______is an association between a client and a server. ________ is the difference in risk exposure divided by the cost of reducing the risk. Ans: Symmetric encryption, 77. Ans: True, 23. 3DES is a modified version the DES-algorithm (dates Encryption standard), which was introduced in 1974 and became ANSI-standard. credit: Behrouz A. Forouzan ©2013 www.FroydWess.com. Your email address will not be published. _____ is a characteristic that often grows over time, in accordance with evidence and experience. ... international data encryption algorithm (b) private data encryption algorithm (c) internet data encryption algorithm (d) none of the mentioned. Ans: Key management protocol, 62. _______ cannot protect against forgery by a recipient, since both sender and recipient share a common key. The process of changing the plaintext into the ciphertext is referred to as encryption. 52. A key advantage of the group protection approach is its ease of implementation. Controls, encouraged by managers and administrators, are called __________. Algorithm and Flowcharts MCQs Set-3 Contain the randomly compiled multiple choice Questions and answers from various reference books and Questions papers for those who is preparing for the various competitive exams and interviews. Confidentiality can be achieved with __________. Ans: Firewalls, 56. In SET _________ is used to link two messages that are intended for two different recipients. Cryptography questions and answers with explanation for interview, competitive and entrance test This section focuses on "Data Mining" in Data Science. 4.1.4 Decryption Decryption , is the process of converting encrypted data back into its original form called plaintext, so that it … Ans: Six, 34. Ans: Simplicity, complexity, 85. Forouzan: MCQ in Cryptography. The security of conventional encryption depends on the major two factors: The Encryption algorithm Cryptography Basics Multiple Choice Questions and Answers. Ans: Vulnerability, 7. Here, we have a set of multiple-choice questions and answers (quiz) on ciphers in Cryptography (basic concepts of Cryptography Techniques and different types of ciphers). In _____________ separation, processes conceal their data and computations in such a way that they are unintelligible to outside processes. ________ is a process that drives the rest of the security administration. These Multiple Choice Questions (MCQ) should be practiced to improve the Cyber Security skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations. Because a transposition is a rearrangement of the symbols of a message, it is also known as________. Empty Text Cipher text Plain Text Simple Text Ans: 64, 21. Separation in an operating system cannot occur in several ways. Ans: Authenticity, non-repudiability, 75. A _____ is a cryptographic algorithm that uses two related keys, a public key and a private key. Ans: PKI. 1) What is the block size of plain text in SHA- 512 algorithm? A combination of an encryption algorithm and a decryption algorithm is called a _____. In this set of Solved MCQ on Searching and Sorting Algorithms in Data Structure, you can find MCQs of the binary search algorithm, linear search algorithm, sorting algorithm, Complexity of linear search, merge sort and bubble sort and partition and exchange sort. A session symmetric key between two parties is used. Ans: Trapdoor, 39. When the data must arrive at the receiver exactly as they were sent, its called. Ans: Public key, 27. Ans: Intentional, inadvertent, 33. Ans: True. Ans: False, 88. Ans: Cryptographic, 41. Ans: Lucifer, 20. 71. 4. Cryptography is the art of __________. Ans: Unforgeable, authentic, 32. On the upper layer, a protocol for initial authentication and transfer of encryption keys is called_______. Ans: Data Encryption Standard, 76. Which one is the strong attack mechanism? Ans: Data Encryption Standard. Ans: Ease of implementation. An algorithm in encryption is called _____________, In the User Authentication Protocol, when the client requests for authentication, then the first byte ( in this format) has decimal value –. MCQ 228: An encryption algorithm transforms the plaintext into. About This Quiz & Worksheet. Flaws are first divided into _______ and _______ flaws. A) Last in first out B) First in last out C) Last in last out ... Data Structures and Algorithms Multiple Choice Questions and Answers :-61. Ans: Firewall, 81. Two main measures for the efficiency of an algorithm are A. Differential Cryptanalysis can be mounted on a) DES encryption algorithm b) AES encryption algorithm c) RSA encryption algorithm d) Deffie-Hellman key exchange algorithm 9. 9. _______ and _______ address external security threats. The modes of operation of IPSec are ________ and ________. Ans: Masquerade, 4. Ans: True, 44. Ans: False, 42. Cryptography - MCQs Answers. Up to now, no weakness could be found except the insufficient length of the key (8 bytes, expanded to 32 bytes in 3DES). True/False Counting the minimum memory needed by the algorithm Ans: Destination IP address, Security parameter index (SPI). Required fields are marked *. Ans: A public key, a private key, 26. Ans: Dynamic, 54. In cryptography, a key is a piece of information (a parameter) that determines the functional output of a cryptographic algorithm.For encryption algorithms, a key specifies the transformation of plaintext into ciphertext, and vice versa depending on the decryption algorithm. 70. The International Data Encryption Algorithm (IDEA), originally called the Improved Proposed Encryption Standard (IPES), was designed by James Massey of ETH Zurich under a research contract with the Hasler Foundation, now Ascom Tech AG ,and was first discussed in 1991. ________ identifies and organizes the security activities for a computing system. Ans: Block cyphers. The security association that applies to a given IPSec header is determined by the packets ______ and the _______ in the packet header. counter (CTR) 9. True / False _____ is an open encryption and security specification designed to protect credit card transactions on the Internet. The question paper contains 40 multiple choice questions with four choices and students will have to pick the correct one (each carrying ½ marks.). Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Ans: Backdoor, 40. Ans: Digital signatures, 30. a) Chosen plaintext attack b) Chosen cipher text c) Brute Force Attack d) Man in the middle attack 10. True/ False These Data Mining Multiple Choice Questions (MCQ) should be practiced to improve the skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations. 60. Ans: True. Select one: a. RSA Digital Cryptographic Algorithm b. 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