B. D It is the scanned image of one’s signature. Examples of physical certificates are drivers' licenses, passports or membership cards. Which of the following terms describes a program that enters a system disguised in another program? Approval Signatures 2. Explanation: A digital signature is a mathematical technique which validates the authenticity, non-repudiation and integrity of a message, software or digital documents. They help prove who signed a document, the time they signed, and the validity of the credentials. D. Invisible Digital Signature. Similarly, digital signature is a way of authenticating a digital data coming from a trusted source. This signature appears on a document in the same way as signatures are signed on a physical document. Further, digital signatures authenticate the source of messages like an electronic mail or a contract in electronicform. Information transmitted during an SSL session cannot be viewed. The model of digital signature scheme is depicted in the following illustration − The following points explain the entire process in detail − 1. C. Non-repudiation A directory of Objective Type Questions covering all the Computer Science subjects. Generally, the key pairs used for encryption/decryption and signing/verifying are different. A. Authentication a. B It cannot be duplicated. Since the ownershipof a digital certificate is bound to a specific user, the signature shows that the user sent it. A _________ produces a signature for the document. But for digital signatures by themselves, they do not provide confidentiality. Digital signature is prepared with mathematical code. B. integrity How many algorithms digital signature consists of? Digital Signature: Digital signature is a code produced mathematically which is attached to a file while sending the file or a document electronically. Which type of authorization provides no mechanism for unique logon identification? 3. If the digital signature itself is encrypted, then it provides confidentiality. In a bridge trust model, a ______ to ______ relationship exists between the root CAs. 46. Who has proposed a model for preventing inappropriate modification of data? 4. The things Carried out by means of electronic data interchange, and other means of electronic communication is commonly referred to as ... 10. It ensures that the document is send by an authorized sender. ... Digital signature is a. C. Integrity A. conventional; digital B. digital; digital C. either (a) or (b) D. neither (a) nor (b) 2. Explanation: Non-Certified Signatures is not a type of digital signature. Digital Signature Uses. Explanation: The approval signatures to include details such as an image of our physical signature, location, date, and official seal. 11. Certificates serve as proof of identity of an individual for a certain purpose; for example, a driver's license identifies someone who can legally drive in a particular country. A. 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. Which signatures include details such as an image of our physical signature, location, date, and official seal? Answer: RADIUS is an AAA server that uses EAP for authentication. D. Digital Signature. Key generation algorithm 2. How can information be gathered from encrypted network traffic? Network Security multiple choice questions and answers MCQ Set 1. 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. The signature is encrypted by sender's private key. Fail safe b. Redundancy c. ... How can information be gathered from encrypted network traffic? C It is created by encrypting information. In order to communicate each pair of hosts using IPSec, it must establish a_____ with one another. Key Generation Algorithms: Digital signature are electronic signatures, which assures that the message was sent by a particular sender. How are EAP and RADIUS related in terms of functionality? Ans: C Remote Login. STEP 4. Caesar … Operating System and Application Security, Security and Vulnerability in the Network. Signer feeds data to the has… 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. B Digital certificates. Q.17 The internet is Parent, child b. A digital signature is a mathematical technique which validates? A. This section focuses on "Data Security" in Cyber Security. D. All of the above. • 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 Explanation: Authentication is a process which verifies the identity of a user who wants to access the system. Explanation: A digital signature consists of three algorithms: Key generation algorithm, Signing algorithm and Signature verifying algorithm. Sara, a user, downloads a keygen to install pirated software. 2. Ans: Security attack. Data Security MCQ Questions. 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. MCQ of Cryptography. 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… A. authenticity C. Signing algorithm As we have studied, signature is a way of authenticating the data coming from a trusted individual. Each person adopting this scheme has a public-private key pair. A. Denning B. Which of the following is not a type of digital signature? Constructed on the Aadhaar platform, eSign in a government initiative enabling citizens with Aadhaar to … Practice these MCQ questions and answers for preparation of various competitive and entrance exams. Which signature contains the name of the document signer and the certificate issuer? A mobile user calls you from the road and informs you that his laptop is exhibiting erratic behavior. Digital Signature Network Security Mobile Security Cyber Security Quiz Cyber Security Tutorials. Digital Signature MCQ Questions. Ans: D Software to recognize signature Q.16 Telnet is a (A) Network of Telephones (B) Television Network (C) Remote Login (D) Remote Login. Digital signatures help electronic documents hold up in a court of law when there are legal challenges to the authenticity of an electronic signature. Submitted by Monika Sharma, on February 29, 2020 . Explanation: The key generation algorithm selects private key randomly from a set of possible private keys. Which algorithm algorithm provides the private key and its corresponding public key? As mentioned earlier, the digital signature scheme is based on public key cryptography. C. Signing algorithm It is proof of untampered and unaltered data. After running the keygen, system performance is extremely slow and numerous antivirus alerts are displayed. a. A _____ signature signature is a separate entity. However... How are EAP and RADIUS related in terms of functionality? (D) Software to recognize signature. b. C. Visible Digital Signature A. Under t… a. Certified Signatures 3. LDAP is an example of which of the following? 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. Digital signature provides A. authentication B. nonrepudiation C. both (a) and (b) D. neither (a) nor (b) 3. However, what kind of organisations use a digital signature? 6. 2. 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. Here, we have a set of multiple-choice questions and answers (quiz) on cryptography basics (basic concepts of cryptography techniques). Answers MCQ Set 1 Security Concepts session can not be viewed a symbolic and essential representation one! 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