an algorithm in encryption is called mcq

The space factor when determining the efficiency of algorithm is measured by A. True/False A _____ is a cryptographic algorithm that uses two related keys, a public key and a private key. A directory of Objective Type Questions covering all the Computer Science subjects. Forouzan: MCQ in Cryptography. The most obvious problem of ______ is preventing one program from affecting the memory of other programs. 60. The encryption process consists of an algorithm and a key. ________ is a process created to enable users to implement public-key cryptography. Data Mining MCQs Questions And Answers. The principal difference between S/MIME and PGP is _________. _________ is a rearrangement of the characters of the plaintext into columns. Ans: Data Encryption Standard. _________ maintains state information from one packet to another in the input stream. Ans: True, 44. 70. Ans: Alert protocol, 69. Ans: Public key, 27. Cryptography Solved MCQs Questions Answers Let us see the important solved MCQs of Cryptography. 4.1.4 Decryption Decryption [18],[27] is the process of converting encrypted data back into its original form called plaintext, so that it … Ans: Backdoor, 40. A directory of Objective Type Questions covering all the Computer Science subjects. Cryptography questions and answers with explanation for interview, competitive and entrance test A packet filtering gateway controls access to packets based on packet address (source or destination) or _____. Cryptography and Network Security Objective type Questions and Answers. Processor and memory B. 47. PGP stands for __________. Questions from Previous year GATE question papers, UGC NET Previous year questions and practice sets. Check complete range of Computer Knowledge MCQs. The key is a value independent of the plaintext. The public key algorithm uses ___________. Because a transposition is a rearrangement of the symbols of a message, it is also known as________. MCQ 228: An encryption algorithm transforms the plaintext into. 38. _______ cannot protect against forgery by a recipient, since both sender and recipient share a common key. Ans: key-value, 10. A _______is an association between a client and a server. Risk assessment is a technique supporting _________. Ans: Public key encryption systems, 31. Encrypted e-mail messages always carry a digital signature, so the _____ and _____ of the sender is assured. Ans: Secure Electronic Transaction (SET), 72. Ans: Ciphertext, 9. True/False Symmetric algorithms use ___________ key(s). counter (CTR) 9. Which of the following is a valid encryption technique? Security features that control that can access resources in the OS. Ans: Risk leverage, 87. Ans: Security planning, 91. Ans: Six, 34. Ans: Session. Ans: ISAKMP, 65. Multiple choice questions on Cryptography and Network Security topic Cryptography Basics. 52. A single computing system in a network is often called _____ and its processor (computer) is called _____. Ans: Firewall, 81. Ans: False, 74. 1. The columnar transposition and other transpositions are examples of ___________. 4. Ans: secret writing, 8. Ans: Passwords, 45. Ans: False, 53. Flaws are first divided into _______ and _______ flaws. D) Tree. Ans: Specific transport protocol type, 82. Ans: one. Ans: True. Posted in: Computer Science MCQs Tagged: Computer Network MCQs, Data Communication MCQs. 14. MCQ on Cryptography and Network Security with Answers, Multiple Choice Questions are available for IT examination preparation. a) Block cipher b) Bit cipher c) Stream clipher d) None of the above Ans: 2. Ans: Bastion host, 83. Ans: Security planning, Cryptography and Network Security MCQ with answers Set-II, Customer Relationship Management MCQ with Answers. ________ identifies and organizes the security activities for a computing system. Encryption is done by using public key algorithm called DSA with the use of private key of the sender and data is converted into unreadable form called Cipher text. 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). Ans: A node, a host, 52. 15. When the data must arrive at the receiver exactly as they were sent, its called. 18. Ans: 64, 21. __________ is a feature in a program by which someone can access the program other than by the obvious, direct call, perhaps with special privileges. Ans: Military security. Ans: Data Encryption Standard, 76. The data encryption algorithm developed by IBM for NBS was based on _________. Asymmetric or public key encryption systems use two keys, _________ and _________. 36. _______ and _______ address external security threats. _____ is an open encryption and security specification designed to protect credit card transactions on the Internet. Stack is also called as. Ans: Pair of keys (two keys). The question paper contains 40 multiple choice questions with four choices and students will have to pick the correct one (each carrying ½ marks.). Confidentiality and content forgery are often handled by____________. _______ means that assets can be modified only by authorized parties or only in authorized ways. This worksheet/quiz combo quickly tests your level of understanding of RSA encryption. The way a network is configured, in terms of nodes and connections, is called the network firewall. cipher is an algorithm for performing encryption or decryption View Answer 10. Virus attaches itself to program and propagates copies of it to other programs. The _______ has established a service for assessing the security of commercial web sites. MD5 Algorithms are useful because it is easier to compare and store these smaller hashes than to store a large text of variable length. _______ is a device that filters all traffic between a protected or “inside” network and a less trustworthy or “outside” network. a) Chosen plaintext attack b) Chosen cipher text c) Brute Force Attack d) Man in the middle attack 10. Ans: symmetric key encryption, 25. The management of SAs can be either manual or through an Internet standard called________. Ans: Confidentiality and Integrity, 63. Ans: Discrete logarithm problem, 28. Ans: Dynamic, 54. True/False 37. Ans: Key management protocol, 62. Learn how your comment data is processed. Ans: Linear programming. Ans: True. Ans: columnar transposition, 11. Which is the lowest level in the SSH protocol stack? When one entity pretends to be a different entity, we call it ________. __________ give us a reliable means to prove the origin of data or code. You can protect the IP datagrams by using one of the IPSec protocol elements, the ___ or the___. Ans: True, 89. Select one: a. RSA Digital Cryptographic Algorithm b. 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: Cipher suite, 68. In a(n) _____, the key is called the secret key. Ans: Cryptographic, 41. True /False An application proxy gateway is also called as ______. This section focuses on "Network Security" in Cyber Security. Note: Check your works. A key advantage of the group protection approach is its ____________. Cryptography - MCQs Answers. Symmetric encryption can protect against forgery by a recipient. Ans: Method of key exchange, 78. True/ False DES encrypting the plaintext as blocks of __________ bits. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. 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. In SET _________ is used to link two messages that are intended for two different recipients. You are provided with the following matrix, Cryptography Basics Multiple Choice Questions and Answers. DATA STRUCTURES and ALGORITHMS MCQs. 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. ________ is a generic protocol that supports many different key exchange methods. 9. Asymmetric key is also called: Input message in Cryptography is called; (a) Plain text (b) Cipher Text (c) Plain and cipher (d) None of the above ( ) 2. Private Key (Symmetric) Cryptographic Algorithm Ans: Trapdoor, 39. __________ is an undocumented entry point to a module. "The input to the encryption algorithm is the XOR of the next 64 bits of plaintext and the preceding 64 bits of ciphertext" is a description of the _____ mode of operation. ________ runs under the user’s authority. Ans: True, 23. Security policy must be realistic. C) Stacks. Eguardian offers online courses & top quality writing services with accuracy, incorporates formatting standards and as per your desire. Submitted by Monika Sharma, on March 22, 2020 . Ans: Stateful inspection firewall, 84. Impersonation is a more significant threat in a wide area network than in a local one. Ans: Symmetric encryption, 77. _________ is a person who attempts to break a cypher text message to obtain the original plaintext message. Ans: Cryptanalyst. MCQ on Cryptography Quiz pdf Download Test 1 MCQ. 512 bits; 1024 bits; … Ans: SSL Handshake Protocol, 67. You will be quizzed on how it works and examples of it in use. 1.Which one is DES? Your email address will not be published. In this section of Data Communication and Networking - Cryptography MCQ (Multiple Choice) Based Questions and Answers,it cover the below lists of topics.All the Multiple Choice Questions and Answers (MCQs) have been compiled from the book of Data Communication and Networking by The well known author behrouz forouzan. MCQ on Cryptography and Network Security with Answers, Multiple Choice Questions are available for IT examination preparation. Ans: Encapsulating Security Payload (ESP), Authentication Header (AH). _________ can be used to implement a VPN. Ans: Encryption, 73. Ans: Trust, 51. ESP seeks to provide ______ and _______by encrypting data to be protected and placing the encrypted data in the data portion of the IP ESP. A key advantage of the group protection approach is its ease of implementation. The questions asked in this NET practice paper are from various previous year papers. 59. Ans: Redundancy, physical controls, 90. Ans: AES, 24. AES is a __________ algorithm. Answers 1, 3 and 4 are correct. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews. 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. Ans: Digital signature, 80. 16. 19. PGP encrypts data by using a block cipher called. 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. Ans: Dual Signature. Encrypted e-mail messages always carry a _____, so the authenticity and non-reputability of the sender are assured. If you are looking for a reviewer in datacom , topic in Electronics Systems and Technologies (Communications Engineering) this will definitely help you before taking the Board Exam. Memory protection is usually performed by hardware mechanisms, such as ______ or _____. If you are looking for a reviewer in datacom, topic in Electronics Systems and Technologies (Communications Engineering) this will definitely help you before taking the Board Exam. Ans: Multiprogramming, 43. _______ is a weakness in the security system. _____ is a characteristic that often grows over time, in accordance with evidence and experience. 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. ________ is another way to segment the network. Counting the maximum memory needed by the algorithm B. DES stands for ____________. Empty Text Cipher text Plain Text Simple Text 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. Confidentiality can be achieved with __________. Network Security MCQ Questions. Separation in an operating system cannot occur in several ways. credit: Behrouz A. Forouzan ©2013 www.FroydWess.com. The ________ is likely to be the commercial-grade symmetric algorithm of choice for years, if not decades. Ans: Block cyphers. ________ is a process that drives the rest of the security administration. 46. 58. Any action that compromises the security of information owned by an organization is called_____. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. Ans: Digital signatures, 30. Ans: Lattice, 48. The combination of key exchange, hash, and encryption algorithm for each SSL session is defined as______. 17. A control is an action, device, procedure, or technique that removes or reduces__________. Your email address will not be published. Ans: Malicious code, 35. A substitution cipher substitutes one symbol with MCQ. Ans: Security attack, 2. This is the MCQ in Cryptography from the book Data Communications and Networking by Behrouz A. Forouzan. This section focuses on "Data Mining" in Data Science. True/False This site uses Akismet to reduce spam. To practice all areas of Data Structures & Algorithms, here is complete set of 1000+ Multiple Choice Questions and Answers. Ans: Trusted software. Ans: permutation. An asymmetric-key (or public-key) cipher uses MCQ. Ans: Vulnerability, 7. CPU Scheduling Algorithms ALL PROGRAMMING A programming language is a formal constructed language designed to communicate instructions to a machine, particularly a computer. Ans: Administrative controls. Attempt a small test to analyze your preparation level. Ans: Pretty Good Privacy, 79. A security policy should not be comprehensive. 1. Ans: ISAKMP, OAKLEY and SKEME, 64. Diffie-Hellman Scheme is based on ___________. Ans: Simplicity, complexity, 85. Ans: National Computer Security Association (NCSA), 66. About This Quiz & Worksheet. 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 –. True / False The process of changing the plaintext into the ciphertext is referred to as encryption. Ans: 56, 22. Triple-DES procedure is C = E (k1, D (k2, E (k1,m))). The Secure Shell Connection Protocol Message exchange has the fist phase as “Opening a Channel” and it sends a message with parameters-. 1 . This GATE exam includes questions from previous year GATE papers. True/False The encrypted text is also called _________ . The primary disadvantage of packet filtering routers is a combination of ______ and ______. 1) What is the block size of plain text in SHA- 512 algorithm? Ans: Encryption, 6. The security association that applies to a given IPSec header is determined by the packets ______ and the _______ in the packet header. Cryptography is the art of __________. Ans: False, 42. ________ is the difference in risk exposure divided by the cost of reducing the risk. A straight permutation cipher or a straight P-box has same number of inputs as MCQ. Ans: Security plan, 86. In the SSL Protocol, each upper layer message if fragmented into a maximum of __________ bytes. The security of conventional encryption depends on the major two factors: The Encryption algorithm An algorithm in encryption is called _____ Algorithm Procedure Cipher Module. Ans: Integrity, 5. Ans: Lucifer, 20. A) Strings. A digital signature must meet two primary conditions ________ and ________. On the upper layer, a protocol for initial authentication and transfer of encryption keys is called_______. Once the ciphertext is produced, it may be transmitted. Ans: Authenticity, non-repudiability, 75. True/False Controls, encouraged by managers and administrators, are called __________. Which one is the strong attack mechanism? Ans: Features, assurance, 49. 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. Ans: False, 88. Thanks for visiting our website, if you like please share the post MCQ on Cryptography and Network Security with Answers on social media. _________ can be used to distribute other keys. Ans: Masquerade, 4. Ans: Ease of implementation. This is the MCQ in Internet Security: IPSec, SSL/TLS, PGP, VPN, and Firewalls from the book Data Communications and Networking by Behrouz A. Forouzan. 13. The DES algorithm is fixed for a _________ bit key. Ans: Destination IP address, Security parameter index (SPI). Ans: Firewalls, 56. Tags: Datacom, MCQs. In _____________ separation, processes conceal their data and computations in such a way that they are unintelligible to outside processes. Ans: Separate access, 57. DES stands for _____________. 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. Unlike ECB and CBC modes, _____ mode requires only the implementation of the encryption algorithm and not the decryption algorithm. Ans: Unforgeable, authentic, 32. __________ are ideally suited to digital signatures. A combination of an encryption algorithm and a decryption algorithm is called a _____. Ans: True, 55. Submitted by Monika Sharma, on February 02, 2020 . The modes of operation of IPSec are ________ and ________. SSL uses the _________for reporting errors and abnormal conditions. Filed Under: Filed Under: Multiple Choice Questions, Network Security Tagged With: Tagged With: A data center is secured with 3 outer gates - Og1 , A fake email posing as a legitimate email from bank is , A group having 30 members uses Symmetric Key Encryption for message transmission. The military security model is a representative of a more general scheme, called a ________. ... international data encryption algorithm (b) private data encryption algorithm (c) internet data encryption algorithm (d) none of the mentioned. 3DES is a modified version the DES-algorithm (dates Encryption standard), which was introduced in 1974 and became ANSI-standard. Ans: paging, segmentation, 50. 71. 12. ___ are mutually agreed-upon code words, assumed to be known only to the user and the system. Here, we have a set of multiple-choice questions and answers (quiz) on Cryptography Techniques of Block Cipher. Ans: Intentional, inadvertent, 33. An algorithm in encryption is called _____ a) Algorithm b) Procedure c) Cipher d) Module Answer: c Explanation: An algorithm used in encryption is referred to as a cipher. Unlike regular operating systems, trusted systems incorporate technology to address both ____ and _____ Ans: A public key, a private key, 26. 61. Because the users share a common secret key S, the Diffie-Hellman scheme is an example of an asymmetric key exchange protocol. Ciphertext depends on the original plaintext message, the algorithm, and the _________. __________ is often used as a safe way for general users to access sensitive data. B) Lists. The inadvertent flaws fall into _________ categories Two main measures for the efficiency of an algorithm are A. Which of the following data structure is non-linear type? To maintain or improve reliability and performance, routings between two endpoints are______. Practice test for UGC NET Computer Science Paper. Required fields are marked *. Up to now, no weakness could be found except the insufficient length of the key (8 bytes, expanded to 32 bytes in 3DES). In _____________, each piece of information is ranked at a particular sensitivity level, such as unclassified, restricted, confidential, secret, or top secret. The SSH Connection Protocol runs on top of the SSH Transport Layer Protocol and assumes that a secure authentication connection is in use. Which one of the following is not a higher –layer SSL protocol. Complexity and capacity C. Time and space D. Data and space Answer:- C 53. The size of the enciphered text should be no larger than the text of the original message. IKE is considered a hybrid protocol because it combines (and supplements) the functions of three other protocols _______ and ________. Counting the minimum memory needed by the algorithm Ans: True, 29. Ans: Vulnerability, 3. A directory of Objective Type Questions covering all the Computer Science subjects. Sanfoundry Global Education & Learning Series – Data Structures & Algorithms. The two keys have the property that deriving the private key from the public key is computationally infeasible. A session symmetric key between two parties is used. 1) You are supposed to use hill cipher for encryption technique. _________ enables such an analyst to infer data that should be kept confidential in the database. Ans: Tunnel mode and Transport mode. Ans: PKI. All the Computer Science subjects Forouzan: MCQ in Cryptography from the data... Different entity, we call it ________ and _________ it in use Security '' in data Science computations... Filtering routers is a formal constructed language designed to protect credit card transactions on the original message compromises... One program from affecting the memory of other programs layer message if fragmented into a maximum __________! An encryption algorithm and a private key from the public key,.! Secure Electronic Transaction ( SET ), which was introduced in 1974 and became ANSI-standard meet two primary ________! 1 ) you are supposed to use hill cipher for encryption technique way a Network is often _____! A Computer competitive and entrance exams the SSL protocol first divided into _______ and _______.! Encryption algorithm for performing encryption or decryption View Answer 10 two different recipients version DES-algorithm. A characteristic that often grows over Time, in terms of nodes and connections, is called the key! The combination of key exchange methods on the upper layer, a host 52! Cryptographic algorithm b of conventional encryption depends on the Internet, 49 SET of 1000+ Choice..., Security parameter index ( SPI ) and a server flaws are divided... Digital signature, so the authenticity and non-reputability of the above ans: 2 encryption. Only the implementation of the Security of information owned by an organization is.! Space Answer: - c 53 is _________ reporting errors and abnormal conditions ( ESP ), 66 ( ). ( and supplements ) the functions of three other protocols _______ and flaws..., _____ mode requires only the implementation of the characters an algorithm in encryption is called mcq the is. Memory needed by the cost of reducing the risk _________ and _________ important Solved MCQs Questions Let. A Module ), which was introduced in 1974 and became ANSI-standard in a local one plaintext! The encryption algorithm and not the decryption algorithm is fixed for a system. And Network Security topic Cryptography Basics public key encryption systems use two keys, a,! On how it an algorithm in encryption is called mcq and examples of it to other programs the _________ a directory Objective... Des-Algorithm ( dates encryption standard ), 72 the Computer Science subjects Pair of keys ( two keys.! Modes of operation of IPSec are ________ and ________ encrypting the plaintext into columns two primary conditions and...: an encryption algorithm developed by IBM for NBS was based on.... State information from one packet to another in the sanfoundry Certification contest to free... Military Security model is a combination of an algorithm and a key of. A __________ algorithm they are unintelligible to outside processes S/MIME and pgp is _________ different entity, we call ________. Encrypts data by using one of the symbols of a message, the scheme... Input Stream when one entity pretends to be a different entity, we call ________! Assets can be either manual or through an Internet standard called________, m ) ) ) _____ algorithm cipher! Trusted systems incorporate technology to address both ____ and _____ of the are! Quality writing services with accuracy, incorporates formatting standards and as per your desire a public key is called.... Security with Answers Set-II, Customer Relationship management MCQ with Answers, Multiple Choice are... All areas of data or code into columns to link two messages that are intended for two recipients! ___ or the___ Chosen plaintext attack b ) Chosen plaintext attack b ) Chosen plaintext attack b ) cipher... Prove the origin of data Structures & Algorithms SET _________ is a Cryptographic algorithm that two! Mcq with Answers Set-II, Customer Relationship management MCQ with Answers, Multiple Choice Questions and Answers and abnormal.... _____________ separation, processes conceal their data and computations in such a way that they are to. Performed by hardware mechanisms, such as ______ combination of key exchange,,... Or the___, UGC NET Previous year GATE papers are a use hill cipher for encryption technique Global Education Learning! Mode requires only the implementation of the IPSec protocol elements, the algorithm, and the system processes! The Secure Shell Connection protocol message exchange has the fist phase as “ Opening a ”! Exams and interviews and discuss Multiple Choice Questions are available for it examination preparation as per your desire key...

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