7. Key Generation Algorithms: Digital signature are electronic signatures, which assures that the message was sent by a particular sender. What is a digital signature? Legal Desk, a startup in online legal documentation on 4th August 2016 announced launch of electronic signing feature- eSign Desk- talking digital signature to the masses beyond companies. A Digital signature . Operating System and Application Security, Security and Vulnerability in the Network. Digital certificate. 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. Digital signature envelope is decrypted by using _____. Each person adopting this scheme has a public-private key pair. 11. Digital Signature: Digital signature is a code produced mathematically which is attached to a file while sending the file or a document electronically. 45. Digital Signature. 2. The three important features of digital features are: 1. However... How are EAP and RADIUS related in terms of functionality? 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. 47. AES algorithm uses _____ for encryption and decryption. Generally, the key pairs used for encryption/decryption and signing/verifying are different. Certified Signatures Explanation: A digital signature is a mathematical technique which validates the authenticity, non-repudiation and integrity of a message, software or digital documents. LDAP is an example of which of the following? 12. 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. FDMA B. TDMA C. NSH D. SA. Bell C. Biba D. La Padula. C. Visible Digital Signature 2. A digital signature is required (i) to tie an electronic message to the sender’s identity (ii)for non repudiation of communication by a sender (iii) to prove that a message was sent by the sender in a court of law (iv) in all e-mail transactions B. Signer feeds data to the has… A _________ produces a signature for the document. Signing via DSC gives the assurance of not only the integrity of the signer but also the data. ... Digital signature is a. A. a. merchant private key. Which of the following BEST describes this type of malware? The Certifying Authority empowered to issue a Digital Signature Certificate shall have to procure a license from the _____ to issue Digital Signature Certificates. A signature is a symbolic and essential representation of one’s identity. Ans: D Software to recognize signature Q.16 Telnet is a (A) Network of Telephones (B) Television Network (C) Remote Login (D) Remote Login. How can information be gathered from encrypted network traffic? D. None of the above. 8. Ans: C Remote Login. Information transmitted during an SSL session cannot be viewed. In a bridge trust model, a ______ to ______ relationship exists between the root CAs. (C) Public Key Encryption. 6. Multiple choice questions on Cryptography and Network Security topic Network Security Concepts. B. Non-repudiation D. Invisible Digital Signature. The process of automatically switching from a malfunctioning system to another system is called what? B Digital certificates. Key generation algorithm A digital signature is a technique to validate the legitimacy of a digital message or a document. Answer & Explanation. (D) Software to recognize signature. A. Denning B. A. conventional; digital B. digital; digital C. either (a) or (b) D. neither (a) nor (b) 2. Which signature allows a user to sign a single document digitally? A directory of Objective Type Questions covering all the Computer Science subjects. Like written signatures, digital signatures provide authentication of the associated input or messages. D. Authentication. 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. D none of these. _____ will ensure the merchant and their payment information. • 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 B. 1) Which of the following is not a type of symmetric-key cryptography technique? He reports that there were no problems until he downloaded a tic-tac-toe program from a site that he had never visited before. Data Security MCQ Questions. How are EAP and RADIUS related in terms of functionality? A digital signature is the detail of an electronic document that is used to identify the person that transmits data. A digital signature is a mathematical technique used to validate the authenticity and integrity of a message, software or digital document. 3. As mentioned earlier, the digital signature scheme is based on public key cryptography. 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. Digital signatures rely on a secret, either a secret passphrase, or, more commonly, a secret file. Signature verifying algorithm Network Security multiple choice questions and answers MCQ Set 1. Multiple Choice Questions: 1. C. Visible Digital Signature Answer: B. C SSL . 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. 9. eCommerce MCQ Questions and answers with easy and logical explanations. Answer: RADIUS is an AAA server that uses EAP for authentication. In order to communicate each pair of hosts using IPSec, it must establish a_____ with one another. a. SignSign DSC can only be used for signing documents. a. Digital signature is prepared with mathematical code. 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. This section focuses on "Digital Signature" in Cyber Security. MCQ Questions for Class 7 Civics: Ch 6 Understanding Media 1. Integrity – Sometimes, the sender and receiver of a message ne… C It is created by encrypting information. C. Integrity Q.17 The internet is In a bridge trust model, a ______ to ______ relationship exists between the root CAs. After running the keygen, system performance is extremely slow and numerous antivirus alerts are displayed. B. Non-Certified Signatures Explanation: Authentication is a process which verifies the identity of a user who wants to access the system. Digital Signature Network Security Mobile Security Cyber Security Quiz Cyber Security Tutorials. MCQ on Cryptography and Network Security with Answers, Multiple Choice Questions are available for IT examination preparation. D. Invisible Digital Signature. 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. 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. STEP 4. As we have studied, signature is a way of authenticating the data coming from a trusted individual. 4. Explanation: A digital signature consists of three algorithms: Key generation algorithm, Signing algorithm and Signature verifying algorithm. Explanation: The certified signature contains the name of the document signer and the certificate issuer which indicate the authorship and authenticity of the document. Commerce provides you all type of quantitative and competitive aptitude mcq questions with easy and logical explanations. D It is the scanned image of one’s signature. D. All of the above. The process of accepting the digital signature as verified authentication only takes place is the recipient can successfully verify the signature. D. Digital Signature. a. c. payment public key. RECEIVER. 5. Explanation: The approval signatures to include details such as an image of our physical signature, location, date, and official seal. Which type of authorization provides no mechanism for unique logon identification? 10. Explanation: Non-Certified Signatures is not a type of digital signature. A digital signature is a mathematical technique used to validate the authenticity and integrity of a message, software or digital document. 46. Who has proposed a model for preventing inappropriate modification of data? It is proof of untampered and unaltered data. A _____ signature signature is a separate entity. Digital Signature MCQ Questions. A. Digital signatures provide authenticity, nonrepudiation, and integrity. _____________ ensures that the message is real, accurate and safeguards from unauthorized user modification during the transmission. Since the ownershipof a digital certificate is bound to a specific user, the signature shows that the user sent it. A. Authentication Fail safe b. Redundancy c. ... How can information be gathered from encrypted network traffic? Parent, child b. A certificate-based digital signature (often just called a digital signature) is a specific type of e-signature. Which of the following is not a type of digital signature? It ensures that the document is send by an authorized sender. How many algorithms digital signature consists of? 2. Signature of a person holds a very significant place in the field of law as well as while carrying out transactions. A. authenticity This signature appears on a document in the same way as signatures are signed on a physical document. C. Signing algorithm Further, digital signatures authenticate the source of messages like an electronic mail or a contract in electronicform. A digital signature is a mathematical technique which validates? A. They help prove who signed a document, the time they signed, and the validity of the credentials. The private key is then used to encrypt the hash. The laws of each country regulate its use. He reports that there were no proble... Sara, a user, downloads a keygen to install pirated software. B It cannot be duplicated. Examples of physical certificates are drivers' licenses, passports or membership cards. The process of automatically switching from a malfunctioning system to another system is called what? The things Carried out by means of electronic data interchange, and other means of electronic communication is commonly referred to as ... 10. Similarly, digital signature is a way of authenticating a digital data coming from a trusted source. Explanation: A signing algorithm produces a signature for the document. Ans: Security attack. C 17th October 2000 . A It is mechanism for authentication. Key generation algorithm b. C. Non-repudiation a. A digital signature is a seemingly random pattern of characters, which typically looks something like this: — this is a signed document — James A. Donald 6YeGpsZR+nOTh/cGwvITnSR3TdzclVpR0+pr3YYQdkG W… Any action that compromises the security of information owned by an organization is called_____. Approval Signatures Explanation: The key generation algorithm selects private key randomly from a set of possible private keys. Sara, a user, downloads a keygen to install pirated software. A. 2. Submitted by Monika Sharma, on February 29, 2020 . Which one of the following statement is not correct for Digital signature? 2. The model of digital signature scheme is depicted in the following illustration − The following points explain the entire process in detail − 1. Authentication – They authenticate the source of messages. _____________ is a process which verifies the identity of a user who wants to access the system. Which of the following terms describes a program that enters a system disguised in another program? Which signature contains the name of the document signer and the certificate issuer? 1. The most popular usage of is signing the PDF file for Tax Returns, MCA and other websites. Digital signature provides A. authentication B. nonrepudiation C. both (a) and (b) D. neither (a) nor (b) 3. 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. B. integrity 1. This is the MCQ in Network Security from the book Data Communications and Networking by Behrouz A. Forouzan. 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. b. payment’s private key. _____ is a weakness in the security system. Which signatures include details such as an image of our physical signature, location, date, and official seal? Practice these MCQ questions and answers for preparation of various competitive and entrance exams. 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. Under t… d. merchant’s public key. Caesar … The receiver takes the encrypted hash, and decrypts it … A. Q.15 Digital Signature is (A) Scanned Signature on Computer (B) Code number of the sender. Digital Signature Uses. View Answer Answer: Digital certificates 51 The information Technology Act [IT ACT] came into effect on A 16th November 2000 . Digital Signature Certificates (DSC) are the digital equivalent (that is electronic format) of physical or paper certificates. The private key used for signing is referred to as the signature key and the public key as the verification key. 3. Here, we have a set of multiple-choice questions and answers (quiz) on cryptography basics (basic concepts of cryptography techniques). Option: [D] A. B 15th December 2000. Explanation: Integrity ensures that the message is real, accurate and safeguards from unauthorized user modification during the transmission. A mobile user calls you from the road and informs you that his laptop is exhibiting erratic behavior. 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. C. Signing algorithm Constructed on the Aadhaar platform, eSign in a government initiative enabling citizens with Aadhaar to … 1. Which algorithm algorithm provides the private key and its corresponding public key? Signature verifying algorithm This section focuses on "Digital Signature" in Cyber Security. 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. 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. B. This algorithm provides the private key and its corresponding public key. D. None of the above. Which type of authorization provides no mechanism for unique logon identification? However, if a signature is only verifiable with the aid of a signer, a dishonest signer may refuse to authenticate a genuine document. Submitted by Monika Sharma, on February 02, 2020 . This refers to news reports, articles, interviews, stories, etc., that are printed in newspapers, magazines and books for a wide audience to read. Explanation: The visible digital signature allows a user to sign a single document digitally. Approval Signatures This section focuses on "Data Security" in Cyber Security. If the digital signature itself is encrypted, then it provides confidentiality. Cryptography and Network Security MCQ Set-I. 4. But for digital signatures by themselves, they do not provide confidentiality. eCommerce MCQ is important for exams like Campus interview, IT department exam. MCQ of Cryptography. Digital signatures help electronic documents hold up in a court of law when there are legal challenges to the authenticity of an electronic signature. 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