As mentioned earlier, the digital signature scheme is based on public key cryptography. Approval Signatures 10. 12. 3. B 15th December 2000. Like written signatures, digital signatures provide authentication of the associated input or messages. A digital signature is the detail of an electronic document that is used to identify the person that transmits data. View Answer Answer: Digital certificates 51 The information Technology Act [IT ACT] came into effect on A 16th November 2000 . B. Non-repudiation Digital signature provides A. authentication B. nonrepudiation C. both (a) and (b) D. neither (a) nor (b) 3. Digital Signature Uses. The Certifying Authority empowered to issue a Digital Signature Certificate shall have to procure a license from the _____ to issue Digital Signature Certificates. The model of digital signature scheme is depicted in the following illustration − The following points explain the entire process in detail − 1. This signature appears on a document in the same way as signatures are signed on a physical document. Fail safe b. Redundancy c. ... How can information be gathered from encrypted network traffic? Under t… A digital signature is a mathematical technique used to validate the authenticity and integrity of a message, software or digital document. Digital Signature MCQ Questions. D. None of the above. It is proof of untampered and unaltered data. Sara, a user, downloads a keygen to install pirated software. Further, digital signatures authenticate the source of messages like an electronic mail or a contract in electronicform. 4. The private key is then used to encrypt the hash. Any action that compromises the security of information owned by an organization is called_____. Bell C. Biba D. La Padula. Q.17 The internet is A digital signature is a mathematical technique which validates? Answer: B. However, if a signature is only verifiable with the aid of a signer, a dishonest signer may refuse to authenticate a genuine document. Explanation: The visible digital signature allows a user to sign a single document digitally. b. D. Digital Signature. A. conventional; digital B. digital; digital C. either (a) or (b) D. neither (a) nor (b) 2. Here, we have a set of multiple-choice questions and answers (quiz) on cryptography basics (basic concepts of cryptography techniques). Signature verifying algorithm Due to the multiple benefits it brings and the level of security it offers, the digital signature has been adopted by numerous organisations in the public and private sectors, and in industries as diverse as financial, healthcare or legal. ... Digital signature is a. D. Authentication. D none of these. a. A. FDMA B. TDMA C. NSH D. SA. 3. This algorithm provides the private key and its corresponding public key. Data Security MCQ Questions. a. A. 1) Which of the following is not a type of symmetric-key cryptography technique? LDAP is an example of which of the following? Signing via DSC gives the assurance of not only the integrity of the signer but also the data. A mobile user calls you from the road and informs you that his laptop is exhibiting erratic behavior. B Digital certificates. Multiple choice questions on Cryptography and Network Security topic Network Security Concepts. Digital signatures rely on a secret, either a secret passphrase, or, more commonly, a secret file. Integrity – Sometimes, the sender and receiver of a message ne… He reports that there were no problems until he downloaded a tic-tac-toe program from a site that he had never visited before. A. EncryptEncrypt DSC can only be used to encrypt a document, it is popularly used in the tender portal, to help companies encrypt the documents and upload. A. Denning B. b. payment’s private key. Digital signature means authentication of any electronic record by a subscriber by means of an electronic method or procedure in accordance with the provision of Section 3, IT Act, 2000. Explanation: A digital signature consists of three algorithms: Key generation algorithm, Signing algorithm and Signature verifying algorithm. This section focuses on "Digital Signature" in Cyber Security. A. Authentication Ans: C Remote Login. eCommerce MCQ Questions and answers with easy and logical explanations. Undeniable signature scheme, devised by Chaum and van Antwerpen [CV90][CV92], are non-self-authenticating signature schemes, where signatures can only be verified with the signer's consent. This refers to news reports, articles, interviews, stories, etc., that are printed in newspapers, magazines and books for a wide audience to read. In order to communicate each pair of hosts using IPSec, it must establish a_____ with one another. B. Non-Certified Signatures Digital signature is prepared with mathematical code. Which type of authorization provides no mechanism for unique logon identification? The process of automatically switching from a malfunctioning system to another system is called what? Key Generation Algorithms: Digital signature are electronic signatures, which assures that the message was sent by a particular sender. C. Non-repudiation The things Carried out by means of electronic data interchange, and other means of electronic communication is commonly referred to as ... 10. a. merchant private key. Which algorithm algorithm provides the private key and its corresponding public key? SignSign DSC can only be used for signing documents. If the digital signature itself is encrypted, then it provides confidentiality. D. All of the above. D. None of the above. Signer feeds data to the has… The most popular usage of is signing the PDF file for Tax Returns, MCA and other websites. Digital Signature Network Security Mobile Security Cyber Security Quiz Cyber Security Tutorials. When a person signs a particular document, it means that such a person has read the whole document carefully, has verified the facts and is aware of the contents of the document and therefore is giving his assent to the best of his knowledge. Signature verifying algorithm Key generation algorithm MCQ of Cryptography. Anyone (without needing to know the secret) can check that two documents were signed by the same secret, and thus presumably by the same person, and that neither document has been changed since it was signed. Answer & Explanation. As we have studied, signature is a way of authenticating the data coming from a trusted individual. This article is about the Digital Signature Algorithm.In this article, we will briefly study the basic DSA and its steps of encryption and decryption aim to capture.We will cover the types of messages in the Digital Signature Algorithm. 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. He reports that there were no proble... Sara, a user, downloads a keygen to install pirated software. However... How are EAP and RADIUS related in terms of functionality? B. Explanation: The approval signatures to include details such as an image of our physical signature, location, date, and official seal. 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. A digital signature is a mathematical technique used to validate the authenticity and integrity of a message, software or digital document. It ensures that the document is send by an authorized sender. A directory of Objective Type Questions covering all the Computer Science subjects. Digital signature is a Digital id,send as an attachment to a web page/e‐mail/message and it is used for verifying the attachments send using web. Submitted by Monika Sharma, on February 02, 2020 . A valid digital signature provides the surety to the recipient that the message was generated by a known sender, such that the sender cannot deny having sent the message. Digital Signature: Digital signature is a code produced mathematically which is attached to a file while sending the file or a document electronically. How can information be gathered from encrypted network traffic? The receiver takes the encrypted hash, and decrypts it … This is the MCQ in Network Security from the book Data Communications and Networking by Behrouz A. Forouzan. Authentication – They authenticate the source of messages. Which of the following terms describes a program that enters a system disguised in another program? d. merchant’s public key. The three important features of digital features are: 1. • A cryptographic value attached to data to certify the integrity of the data • A certified public key used for public key encryption • A name typed on a document • A scanned copy of a person's signature Answer: A cryptographic value attached to data to certify the integrity of the data Digital signature envelope is decrypted by using _____. Which type of authorization provides no mechanism for unique logon identification? Explanation: A signing algorithm produces a signature for the document. MCQ on Cryptography and Network Security with Answers, Multiple Choice Questions are available for IT examination preparation. 2. C SSL . A signature is a symbolic and essential representation of one’s identity. A _________ produces a signature for the document. Which one of the following statement is not correct for Digital signature? Typical e-signature solutions use common electronic authentication methods to verify signer identity, such as an email address, a corporate ID, or a phone PIN. Key generation algorithm Answer: RADIUS is an AAA server that uses EAP for authentication. However, what kind of organisations use a digital signature? STEP 4. 1. Multiple Choice Questions: 1. Anonymous b. Kerberos c. TACACS d. TACACS+ ... A mobile user calls you from the road and informs you that his laptop is exhibiting erratic behavior. C. Integrity C. Visible Digital Signature Which signatures include details such as an image of our physical signature, location, date, and official seal? This section focuses on "Digital Signature" in Cyber Security. _____ will ensure the merchant and their payment information. C 17th October 2000 . (D) Software to recognize signature. 11. In a bridge trust model, a ______ to ______ relationship exists between the root CAs. Explanation: The certified signature contains the name of the document signer and the certificate issuer which indicate the authorship and authenticity of the document. What is a digital signature? C. Visible Digital Signature D It is the scanned image of one’s signature. A. D. Invisible Digital Signature. This section focuses on "Data Security" in Cyber Security. Digital Signature. A. Information transmitted during an SSL session cannot be viewed. Explanation: Integrity ensures that the message is real, accurate and safeguards from unauthorized user modification during the transmission. They help prove who signed a document, the time they signed, and the validity of the credentials. 47. AES algorithm uses _____ for encryption and decryption. Commerce provides you all type of quantitative and competitive aptitude mcq questions with easy and logical explanations. A. How are EAP and RADIUS related in terms of functionality? To create a digital signature, an email program or any other signing software creates a one-way hash of the electronic data to be signed. 45. Network Security multiple choice questions and answers MCQ Set 1. 5. Caesar … The signature is encrypted by sender's private key. A. B. integrity a. Which of the following BEST describes this type of malware? B It cannot be duplicated. Generally, the key pairs used for encryption/decryption and signing/verifying are different. D. Invisible Digital Signature. 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. Submitted by Monika Sharma, on February 29, 2020 . Practice these MCQ questions and answers for preparation of various competitive and entrance exams. Similarly, digital signature is a way of authenticating a digital data coming from a trusted source. 4. 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