__________ is a feature in a program by which someone can access the program other than by the obvious, direct call, perhaps with special privileges. In a(n) _____, the key is called the secret key. Ans: Cryptanalyst. The combination of key exchange, hash, and encryption algorithm for each SSL session is defined as______. Ans: True, 44. Ans: Encryption, 6. The most obvious problem of ______ is preventing one program from affecting the memory of other programs. Ans: Features, assurance, 49. 52. MD5 Algorithms are useful because it is easier to compare and store these smaller hashes than to store a large text of variable length. 1) What is the block size of plain text in SHA- 512 algorithm? Ans: Method of key exchange, 78. 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. Ans: ISAKMP, OAKLEY and SKEME, 64. Ans: Simplicity, complexity, 85. Which is the lowest level in the SSH protocol stack? Note: Check your works. Ans: AES, 24. AES is a __________ algorithm. cipher is an algorithm for performing encryption or decryption View Answer 10. A substitution cipher substitutes one symbol with MCQ. 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: Data Encryption Standard, 76. Ans: Ciphertext, 9. Which one is the strong attack mechanism? Ans: 64, 21. The process of changing the plaintext into the ciphertext is referred to as encryption. You will be quizzed on how it works and examples of it in use. 1. _________ enables such an analyst to infer data that should be kept confidential in the database. DES encrypting the plaintext as blocks of __________ bits. 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. 36. Ans: Trust, 51. Ans: True, 55. Multiple choice questions on Cryptography and Network Security topic Cryptography Basics. True/False 59. In _____________, each piece of information is ranked at a particular sensitivity level, such as unclassified, restricted, confidential, secret, or top secret. 18. An algorithm in encryption is called _____ Algorithm Procedure Cipher Module. Ans: Dynamic, 54. To practice all areas of Data Structures & Algorithms, here is complete set of 1000+ Multiple Choice Questions and Answers. 37. 4. The size of the enciphered text should be no larger than the text of the original message. Ans: Digital signature, 80. 1) You are supposed to use hill cipher for encryption technique. On the upper layer, a protocol for initial authentication and transfer of encryption keys is called_______. 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 –. 60. ________ runs under the user’s authority. The question paper contains 40 multiple choice questions with four choices and students will have to pick the correct one (each carrying ½ marks.). ___ are mutually agreed-upon code words, assumed to be known only to the user and the system. ________ is a process that drives the rest of the security administration. The _______ has established a service for assessing the security of commercial web sites. Ans: False, 88. Security policy must be realistic. The SSH Connection Protocol runs on top of the SSH Transport Layer Protocol and assumes that a secure authentication connection is in use. A directory of Objective Type Questions covering all the Computer Science subjects. Ans: Pretty Good Privacy, 79. 3DES is a modified version the DES-algorithm (dates Encryption standard), which was introduced in 1974 and became ANSI-standard. SSL uses the _________for reporting errors and abnormal conditions. Ans: Passwords, 45. Ans: Risk leverage, 87. _______ cannot protect against forgery by a recipient, since both sender and recipient share a common key. 13. Your email address will not be published. The primary disadvantage of packet filtering routers is a combination of ______ and ______. Ans: Digital signatures, 30. 58. A digital signature must meet two primary conditions ________ and ________. Ans: Alert protocol, 69. True /False This section focuses on "Data Mining" in Data Science. Ans: Authenticity, non-repudiability, 75. Ans: True, 29. Thanks for visiting our website, if you like please share the post MCQ on Cryptography and Network Security with Answers on social media. Ans: Malicious code, 35. Ans: Backdoor, 40. __________ is often used as a safe way for general users to access sensitive data. A _____ is a cryptographic algorithm that uses two related keys, a public key and a private key. Ans: Cryptographic, 41. Impersonation is a more significant threat in a wide area network than in a local one. IKE is considered a hybrid protocol because it combines (and supplements) the functions of three other protocols _______ and ________. 70. Flaws are first divided into _______ and _______ flaws. Ans: Destination IP address, Security parameter index (SPI). Ans: Masquerade, 4. The encryption process consists of an algorithm and a key. 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. The security association that applies to a given IPSec header is determined by the packets ______ and the _______ in the packet header. 47. In _____________ separation, processes conceal their data and computations in such a way that they are unintelligible to outside processes. Select one: a. RSA Digital Cryptographic Algorithm b. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews. Ans: Security attack, 2. This worksheet/quiz combo quickly tests your level of understanding of RSA encryption. Network Security MCQ Questions. Ans: Vulnerability, 7. The inadvertent flaws fall into _________ categories 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. Attempt a small test to analyze your preparation level. 1. Ans: one. _________ can be used to implement a VPN. Asymmetric or public key encryption systems use two keys, _________ and _________. Ans: Security plan, 86. Ans: Symmetric encryption, 77. A combination of an encryption algorithm and a decryption algorithm is called a _____. Confidentiality can be achieved with __________. Private Key (Symmetric) Cryptographic Algorithm A) Strings. 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: Integrity, 5. A session symmetric key between two parties is used. Ans: Encryption, 73. Ans: Lattice, 48. Cryptography and Network Security Objective type Questions and Answers. B) Lists. _________ maintains state information from one packet to another in the input stream. _________ is a rearrangement of the characters of the plaintext into columns. Learn how your comment data is processed. Ans: Secure Electronic Transaction (SET), 72. Ans: permutation. The key is a value independent of the plaintext. _______ is a device that filters all traffic between a protected or “inside” network and a less trustworthy or “outside” network. Answers 1, 3 and 4 are correct. Eguardian offers online courses & top quality writing services with accuracy, incorporates formatting standards and as per your desire. Once the ciphertext is produced, it may be transmitted. _______ is a weakness in the security system. Ans: Tunnel mode and Transport mode. The data encryption algorithm developed by IBM for NBS was based on _________. Submitted by Monika Sharma, on February 02, 2020 . Symmetric algorithms use ___________ key(s). Ans: Cipher suite, 68. 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. True/ False Controls, encouraged by managers and administrators, are called __________. All PROGRAMMING a PROGRAMMING language is a combination of an algorithm and a key please share the post on! Risk exposure divided by the cost of reducing the risk gateway is also known as________ counting maximum! In this NET practice paper are from various Previous year GATE papers for users... How it works and examples of it to other programs “ Opening a Channel and. 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