54 + Interview Questions in Cryptography In Security in Cyber Security Page 1 InterviewSolution

1.	By using ______________ you can diminish the chance of data leakage.(a) Cryptography(b) Tomography(c) Chorography(d) SteganographyThe question was asked in an online interview.This key question is from Cryptography topic in portion Cryptography in Security of Cyber Security
Answer» Right choice is (d) Steganography The explanation: Hackers or other cyber criminals target ordinary files to HIDE DIFFERENT data or INFORMATION WITHIN another data file. By USING steganography, you can diminish the chance of data leakage.

Discussion

2.	People will normally think it as a normal/regular file and your secret message will pass on without any _______________(a) suspicion(b) decryption(c) encryption(d) crackingI got this question in my homework.This interesting question is from Cryptography in section Cryptography in Security of Cyber Security
Answer» CORRECT option is (a) suspicion To elaborate: Steganography techniques help hackers or other users to CONCEAL covert message behind regular files. People will NORMALLY THINK it as a normal/regular file and your SECRET message will pass on without any suspicion.

Discussion

3.	The main motive for using steganography is that hackers or other users can hide a secret message behind a ______________(a) special file(b) ordinary file(c) program file(d) encrypted fileI have been asked this question in an internship interview.My question is based upon Cryptography topic in chapter Cryptography in Security of Cyber Security
Answer» Correct option is (b) ordinary file For explanation I would say: The MAIN MOTIVE for using steganography is that HACKERS or other users can hide a SECRET message behind ordinary files. Some steganography tools are SSuite Picsel, rSteg ETC.

Discussion

4.	A ________________ tool permits security professional or a hacker to embed hidden data within a carrier file like an image or video which can later be extracted from them.(a) Cryptography(b) Tomography(c) Chorography(d) SteganographyThis question was addressed to me by my college director while I was bunking the class.My question is from Cryptography in division Cryptography in Security of Cyber Security
Answer» Right option is (d) Steganography The EXPLANATION is: A steganography TOOL is a software tool that permits a SECURITY professional or a hacker to embed hidden data within a carrier file like an IMAGE or video which can later be extracted from them.

Discussion

5.	Which of the following is not a steganography tool?(a) Crypture(b) SteganographX Plus(c) rSteg(d) Burp SuiteThis question was posed to me during an interview.My enquiry is from Cryptography in portion Cryptography in Security of Cyber Security
Answer»

Discussion

6.	Which of the following is not a steganography tool?(a) Xaio steganography(b) Image steganography(c) ReaperExploit(d) SteghideThis question was addressed to me in homework.The question is from Cryptography in section Cryptography in Security of Cyber Security
Answer» The correct choice is (c) ReaperExploit Easiest EXPLANATION: ReaperExploit is not a steganography tool that PERMITS security through obscurity. Xaio steganography, IMAGE steganography, Steghide etc are examples of such TOOLS.

Discussion

7.	The word ________________is a combination of the Greek words ‘steganos’ which means “covered or concealed”, and ‘graphein’ which means “writing”.(a) Cryptography(b) Tomography(c) Steganography(d) ChorographyI have been asked this question by my college professor while I was bunking the class.My question is based upon Cryptography in section Cryptography in Security of Cyber Security
Answer» The correct choice is (c) Steganography For EXPLANATION: The word steganography is a COMBINATION of the Greek words ‘steganos’ which MEANS “covered or concealed”, and ‘graphein’ which means “WRITING”. Steganography is HIDING of data within data, where we can hide images, text, and other messages within images, videos, music or recording files.

Discussion

8.	_____________ is hiding of data within data, where we can hide images, text, and other messages within images, videos, music or recording files.(a) Cryptography(b) Tomography(c) Steganography(d) ChorographyThis question was addressed to me by my college director while I was bunking the class.The query is from Cryptography in section Cryptography in Security of Cyber Security
Answer» CORRECT choice is (c) Steganography The explanation is: Steganography HELPS in HIDING any form of data within data, where we can hide images, text, and other messages within images, videos, MUSIC or recording FILES.

Discussion

9.	_____________ is another data hiding technique which can be used in conjunction with cryptography for the extra-secure method of protecting data.(a) Cryptography(b) Steganography(c) Tomography(d) ChorographyThis question was addressed to me in a job interview.This intriguing question comes from Cryptography topic in section Cryptography in Security of Cyber Security
Answer» CORRECT answer is (b) Steganography The explanation is: Steganography is the TECHNIQUE of hiding data in another raw data. Steganography is another data hiding technique which can be USED in conjunction with CRYPTOGRAPHY for an extra-secure method of PROTECTING data.

Discussion

10.	Steganography follows the concept of security through obscurity.(a) True(b) FalseThe question was posed to me in class test.My enquiry is from Cryptography in portion Cryptography in Security of Cyber Security
Answer» The CORRECT OPTION is (a) True The explanation: HIDING of data within another data through obscurity is CALLED steganography. It is another data hiding technique which can be used in conjunction with cryptography for an extra-secure method of protecting data.

Discussion

11.	AES is at least 6-times faster than 3-DES.(a) True(b) FalseThe question was asked in homework.The doubt is from Cryptography topic in division Cryptography in Security of Cyber Security
Answer» Right answer is (a) True The explanation is: AES is a relatively innovative type of block CIPHER on bytes rather than using bits. It is one of the most POPULAR forms of a block cipher and helps in securing various APPLICATIONS and SYSTEMS.

Discussion

12.	AES stands for ________________(a) Advanced Encryption Security(b) Advanced Encryption Standard(c) Advanced Encrypted Standard(d) Active Encryption StandardI got this question during an interview.I need to ask this question from Cryptography topic in division Cryptography in Security of Cyber Security
Answer» Correct answer is (B) Advanced ENCRYPTION Standard The BEST explanation: AES is abbreviated as Advanced Encryption Standard which is a moderately INNOVATIVE BLOCK cipher which carries out all its calculations on bytes rather than using bits and is at least six times faster than 3-DES.

Discussion

13.	____________ carries out all its calculations on bytes rather than using bits and is at least 6-times faster than 3-DES.(a) AES(b) DES(c) IDEA(d) TwofishI had been asked this question in a job interview.My question is from Cryptography topic in chapter Cryptography in Security of Cyber Security
Answer» Right OPTION is (a) AES The explanation: Advanced Encryption STANDARD is a comparatively INNOVATIVE BLOCK cipher that carries out all its calculations on bytes rather than using BITS and is at least 6-times faster than 3-DES.

Discussion

14.	DES stands for ________________(a) Data Encryption Security(b) Data Encrypted Standard(c) Device Encryption Standard(d) Data Encryption StandardThis question was addressed to me by my school principal while I was bunking the class.I need to ask this question from Cryptography topic in division Cryptography in Security of Cyber Security
Answer» The CORRECT answer is (d) DATA Encryption Standard Easiest EXPLANATION: DES which is abbreviated as Data Encryption Standard falls under the category of a block cipher that implements the Feistel Cipher which EMPLOYS 16 round of Feistel STRUCTURE.

Discussion

15.	Data Encryption Standard is implemented using the Feistel Cipher which employs 16 round of Feistel structure.(a) DES(b) IDEA(c) Caesar cipher(d) TwofishI have been asked this question in an online quiz.My question comes from Cryptography in division Cryptography in Security of Cyber Security
Answer» Correct choice is (a) DES Explanation: Data Encryption Standard is a BLOCK CIPHER which implements the Feistel Cipher which EMPLOYS 16 round of Feistel structure. The block SIZE it uses is 64-bit.

Discussion

16.	Which of the following is not an example of a block cipher?(a) DES(b) IDEA(c) Caesar cipher(d) TwofishThis question was posed to me in an online quiz.This question is from Cryptography in portion Cryptography in Security of Cyber Security
Answer» The correct option is (c) Caesar CIPHER Best EXPLANATION: In a block cipher, a sequence of actions is carried out on this block after a block of plain-text bits is chosen for generating a block of cipher-text bits. Examples of block CIPHERS are DES, IDEA, Twofish ETC.

Discussion

17.	The procedure to add bits to the last block is termed as _________________(a) decryption(b) hashing(c) tuning(d) paddingI have been asked this question in an online quiz.My enquiry is from Cryptography in division Cryptography in Security of Cyber Security
Answer» The CORRECT choice is (d) padding The best I can explain: For a BLOCK cipher, a chain of actions is performed on this block after a block of plain-text. In block ciphers PROCEDURE to ADD bits to the last block is TERMED as padding.

Discussion

18.	In _______________ the plain-text is processed 1-bit at a time & a series of actions is carried out on it for generating one bit of cipher-text.(a) Block Cipher(b) One-time pad(c) Stream cipher(d) Vigenere CipherThis question was addressed to me during an interview for a job.Question is from Cryptography in section Cryptography in Security of Cyber Security
Answer» Right option is (c) STREAM cipher Best explanation: In stream ciphers, the plain-text is processed 1-bit at a time & a SERIES of ACTIONS is carried out on it for generating one bit of cipher-text.

Discussion

19.	In _____________ a sequence of actions is carried out on this block after a block of plain-text bits is chosen for generating a block of cipher-text bits.(a) Block Cipher(b) One-time pad(c) Hash functions(d) Vigenere CipherI have been asked this question during an online interview.This interesting question is from Cryptography in chapter Cryptography in Security of Cyber Security
Answer» Right OPTION is (a) Block Cipher For explanation I would say: In block cipher, a SEQUENCE of actions is carried out on this block after a block of plain-text bits is CHOSEN for generating a block of cipher-text bits. Blocks in these have fixed number of bits.

Discussion

20.	The ________________ has piece of the keyword that has the same length as that of the plaintext.(a) Block Cipher(b) One-time pad(c) Hash functions(d) Vigenere CipherThe question was asked at a job interview.The doubt is from Cryptography topic in division Cryptography in Security of Cyber Security
Answer» CORRECT answer is (B) One-time pad For EXPLANATION I would say: The one-time pad has a piece of the keyword that has the same length as that of the plaintext. The keyword gets a randomly produced string of alphabets. For only once, its keyword is used.

Discussion

21.	______________ employs a text string as a key that is implemented to do a series of shifts on the plain-text.(a) Vigenere Cipher(b) Shift Cipher(c) Playfair Cipher(d) Block CipherI have been asked this question in final exam.This is a very interesting question from Cryptography in portion Cryptography in Security of Cyber Security
Answer» The CORRECT choice is (a) Vigenere CIPHER Explanation: Vigenere Cipher employs a TEXT string as a key that is implemented to do a series of shifts on the plain-text. Here the sender & the receiver settle on a single key.

Discussion

22.	In Playfair cipher, at first, a key table is produced. That key table is a 5 by 5 grid of alphabets which operates as the key to encrypt the plaintext.(a) Rolling Cipher(b) Shift Cipher(c) Playfair Cipher(d) Block CipherThe question was posed to me in examination.My query is from Cryptography topic in section Cryptography in Security of Cyber Security
Answer» Right choice is (c) Playfair Cipher The explanation: In Playfair cipher, at first, a key table is PRODUCED. That key table is a 5 by 5 grid of ALPHABETS which operates as the key to ENCRYPT the plaintext. All the twenty-five alphabets have to be unique and letter J gets omitted.

Discussion

23.	________________ is a cipher formed out of substitution where for a given key-value the cipher alphabet for every plain text remains fixed all through the encryption procedure.(a) Polyalphabetic Cipher(b) Caesar Cipher(c) Playfair Cipher(d) Monoalphabetic CipherI have been asked this question in an interview for internship.My doubt stems from Cryptography topic in division Cryptography in Security of Cyber Security
Answer» The correct OPTION is (d) Monoalphabetic Cipher To explain I would SAY: Monoalphabetic cipher is a cipher FORMED out of substitution where for a given key-value the cipher alphabet for every plain text remains fixed all through the ENCRYPTION procedure.

Discussion

24.	_____________ is the concept that tells us about the replacement of every alphabet by another alphabet and the entire series gets ‘shifted’ by some fixed quantity.(a) Rolling Cipher(b) Shift Cipher(c) Playfair Cipher(d) Block CipherI got this question by my school teacher while I was bunking the class.Asked question is from Cryptography in chapter Cryptography in Security of Cyber Security
Answer» Correct option is (B) Shift Cipher For explanation I would SAY: Shift Cipher is the concept that tells us about the replacement of every alphabet by another alphabet and the entire series GETS ‘shifted’ by some fixed quantity (which is the key) between 0 and 25.

Discussion

25.	____________ is a mono-alphabetic encryption code wherein each & every letter of plain-text is replaced by another letter in creating the cipher-text.(a) Polyalphabetic Cipher(b) Caesar Cipher(c) Playfair Cipher(d) Monoalphabetic CipherI had been asked this question during an interview.Asked question is from Cryptography topic in division Cryptography in Security of Cyber Security
Answer» Right option is (b) Caesar CIPHER Best EXPLANATION: Caesar Cipher is the SIMPLEST type of SUBSTITUTION cipher with a mono-alphabetic encryption code wherein each letter of plain-text is REPLACED by another letter in creating the cipher-text.

Discussion

26.	A set of all probable decryption keys are collectively termed as key space.(a) True(b) FalseI had been asked this question in exam.I'd like to ask this question from Types of Cryptography topic in chapter Cryptography in Security of Cyber Security
Answer» Right option is (a) True Explanation: Decryption Algorithm is a MATHEMATICAL algorithm that produces a unique plain TEXT for a given CIPHER text along with a decryption key. A SET of all probable decryption KEYS are collectively termed as key space.

Discussion

27.	In __________________ 2 different keys are implemented for encrypting as well as decrypting that particular information.(a) Symmetric Key Encryption(b) Asymmetric Key Encryption(c) Asymmetric Key Decryption(d) Hash-based Key EncryptionI have been asked this question by my college professor while I was bunking the class.This intriguing question originated from Types of Cryptography in portion Cryptography in Security of Cyber Security
Answer» Correct ANSWER is (b) Asymmetric Key Encryption The explanation: In Asymmetric Key Encryption 2 different keys are implemented for encrypting as well as decrypting that PARTICULAR information. Inputs it takes are the PLAIN TEXT and 2 different key.

Discussion

28.	In _____________________ same keys are implemented for encrypting as well as decrypting the information.(a) Symmetric Key Encryption(b) Asymmetric Key Encryption(c) Asymmetric Key Decryption(d) Hash-based Key EncryptionThe question was posed to me in an online interview.This key question is from Types of Cryptography in section Cryptography in Security of Cyber Security
Answer» Correct answer is (a) Symmetric Key ENCRYPTION Best explanation: Encryption-decryption in a cryptosystem is done in TWO ways. These are by Symmetric Key Encryption and by ASYMMETRIC Key Encryption. In Symmetric Key Encryption, same keys are IMPLEMENTED for encrypting as well as decrypting the information.

Discussion

29.	Encryption-decryption in cryptosystem is done in ______ ways.(a) 4(b) 3(c) 5(d) 2I had been asked this question at a job interview.This question is from Types of Cryptography in chapter Cryptography in Security of Cyber Security
Answer» RIGHT option is (d) 2 The explanation: Cryptosystem which is ALSO known as cipher system is the execution of cryptographic algorithms & TECHNIQUES. Encryption-decryption in a cryptosystem is done in two ways. These are by Symmetric Key Encryption and by Asymmetric Key Encryption.

Discussion

30.	A set of all probable decryption keys are collectively termed as ____________(a) key-stack(b) key bunch(c) key space(d) key packThis question was addressed to me in class test.Query is from Types of Cryptography in division Cryptography in Security of Cyber Security
Answer» Right choice is (c) key space The best I can explain: A set of all PROBABLE DECRYPTION keys are collectively termed as key space. A MATHEMATICAL algorithm which produces a unique plain text for a GIVEN cipher text along with a decryption key is CALLED a decryption algorithm.

Discussion

31.	____________________ is a mathematical algorithm that produces a unique plain text for a given cipher text along with a decryption key.(a) Decryption Algorithm(b) Hashing Algorithm(c) Tuning Algorithm(d) Encryption AlgorithmI had been asked this question during an online interview.The above asked question is from Types of Cryptography in portion Cryptography in Security of Cyber Security
Answer» Correct answer is (a) DECRYPTION Algorithm For explanation: Decryption Algorithm is a MATHEMATICAL algorithm that produces a unique plain text for a GIVEN cipher text along with a decryption KEY. Inputs it takes are the cipher-text & the decryption key.

Discussion

32.	______________ is the mathematical procedure or algorithm which produces a cipher-text for any specified plaintext.(a) Encryption Algorithm(b) Decryption Algorithm(c) Hashing Algorithm(d) Tuning AlgorithmI have been asked this question in an interview for internship.This question is from Types of Cryptography in portion Cryptography in Security of Cyber Security
Answer» Correct choice is (a) Encryption Algorithm For explanation I WOULD say: Encryption Algorithm is the MATHEMATICAL procedure or algorithm which PRODUCES a cipher-text for any specified plaintext. INPUTS it takes are the plain text and the key.

Discussion

33.	_______________ takes the plain text and the key as input for creating cipher-text.(a) Decryption Algorithm(b) Hashing Algorithm(c) Tuning Algorithm(d) Encryption AlgorithmThis question was addressed to me in quiz.Question is from Types of Cryptography topic in section Cryptography in Security of Cyber Security
Answer» Right choice is (a) Decryption ALGORITHM For explanation I would say: ENCRYPTION Algorithm is the MATHEMATICAL PROCEDURE or algorithm which produces a cipher-text for any specified plaintext. Inputs it takes are the plain text and the key.

Discussion

34.	A cryptosystem is also termed as ______________(a) secure system(b) cipher system(c) cipher-text(d) secure algorithmI got this question in an international level competition.I want to ask this question from Types of Cryptography topic in section Cryptography in Security of Cyber Security
Answer» Right ANSWER is (b) cipher SYSTEM The best I can explain: Cryptography is a MEANS of storing & transmitting information in a specific format so that only those for whom it is planned can UNDERSTAND or process it. Cryptosystem which is also known as a cipher system is execution of cryptographic algorithms & techniques.

Discussion

35.	Cryptography offers a set of required security services. Which of the following is not among that 4 required security services?(a) Encryption(b) Message Authentication codes(c) Hash functions(d) SteganographyI got this question in an internship interview.Enquiry is from Types of Cryptography topic in portion Cryptography in Security of Cyber Security
Answer» The correct choice is (d) Steganography Best explanation: There are 4 desired & necessary security services are encryption, Message Authentication CODES (MAC), digital SIGNATURES and hash FUNCTIONS. These help in SECURING the transmission of data.

Discussion

36.	Which of the following is not the primary objective of cryptography?(a) Confidentiality(b) Data Redundancy(c) Non-repudiation(d) AuthenticationThis question was posed to me in an interview.Question is from Types of Cryptography topic in portion Cryptography in Security of Cyber Security
Answer» RIGHT OPTION is (b) Data Redundancy The best I can EXPLAIN: Cryptography offers 4 FUNDAMENTAL information security features. These are Confidentiality, Data INTEGRITY, Authentication and non-repudiation.

Discussion

37.	The method of reverting the encrypted text which is known as cipher text to its original form i.e. plain text is known as ________________(a) cryptanalysis(b) decryption(c) reverse engineering(d) encryptionThis question was posed to me in a job interview.This interesting question is from Types of Cryptography in chapter Cryptography in Security of Cyber Security
Answer» Right option is (b) decryption For explanation: Cryptography helps in SECURING a specific FORMAT so that only intended users can understand or process it. The method of reversing the encrypted text which is KNOWN as cipher text to its ORIGINAL form i.e. PLAIN text is known as decryption.

Discussion

38.	Which of the following is not the primary objective of cryptography?(a) Confidentiality(b) Data Integrity(c) Data Redundancy(d) AuthenticationThe question was asked in an internship interview.I'd like to ask this question from Types of Cryptography in portion Cryptography in Security of Cyber Security
Answer»

Discussion

39.	The process of disguising plaintext in such a way that its substance gets hidden (into what is known as cipher-text) is called _________________(a) cryptanalysis(b) decryption(c) reverse engineering(d) encryptionI have been asked this question in an interview for job.The doubt is from Types of Cryptography topic in division Cryptography in Security of Cyber Security
Answer» Right option is (d) encryption Easy EXPLANATION: CRYPTOGRAPHY is a means of storing & transmitting information in a specific format so that only those for whom it is PLANNED can understand or process it. The process of DISGUISING plaintext in such a way that its substance gets hidden (into what is known as cipher-text) is called encryption.

Discussion

40.	_____________________ is the art & science of cracking the cipher-text without knowing the key.(a) Cracking(b) Cryptanalysis(c) Cryptography(d) Crypto-hackingI got this question in unit test.Origin of the question is Types of Cryptography in division Cryptography in Security of Cyber Security
Answer» The correct answer is (B) Cryptanalysis Best explanation: Cryptanalysis is the art & SCIENCE of cracking the cipher-text WITHOUT knowing the KEY. This TECHNIQUE is also implemented for designing new cryptographic algorithms or to test their strengths.

Discussion

41.	________________ cryptography is based on publicly known mathematically designed algorithms to encrypt the information.(a) Modern(b) Classic(c) Traditional(d) PrimitiveThis question was addressed to me in quiz.Origin of the question is Types of Cryptography in chapter Cryptography in Security of Cyber Security
Answer» Right OPTION is (a) Modern To explain: There are 2 types of cryptography – classic cryptography & modern cryptography. Modern cryptography operates on binary-bit series and strings. It is BASED on PUBLICLY KNOWN mathematically designed algorithms to encrypt the INFORMATION.

Discussion

42.	__________ cryptography has always been focussing on the concept of ‘security through obscurity’.(a) Modern(b) Asymmetric(c) Classic(d) LatestI have been asked this question in an interview.I would like to ask this question from Types of Cryptography topic in portion Cryptography in Security of Cyber Security
Answer» Correct ANSWER is (c) Classic Easy explanation: CRYPTOGRAPHY can be divided into TWO types. These are classic cryptography & modern cryptography. Classic cryptography DEALS with TRADITIONAL characters, i.e., letters & digits directly. It is based on the concept of ‘security through obscurity’.

Discussion

43.	____________ cryptography operates on binary-bit series and strings.(a) Modern(b) Classic(c) Traditional(d) PrimitiveThis question was addressed to me in quiz.The origin of the question is Types of Cryptography in chapter Cryptography in Security of Cyber Security
Answer» The correct answer is (a) Modern Easiest EXPLANATION: CRYPTOGRAPHY can be divided into two types. These are CLASSIC cryptography & modern cryptography. Modern cryptography operates on binary-bit SERIES and strings.

Discussion

44.	_______________ cryptography deals with traditional characters, i.e., letters & digits directly.(a) Modern(b) Classic(c) Asymmetric(d) LatestThe question was posed to me by my college professor while I was bunking the class.Enquiry is from Types of Cryptography in chapter Cryptography in Security of Cyber Security
Answer» The correct option is (b) Classic To explain: CRYPTOGRAPHY can be divided into TWO types. These are classic cryptography & modern cryptography. Classic cryptography deals with traditional CHARACTERS, i.e., LETTERS & digits directly.

Discussion

45.	Data Encryption Standard is an example of a _____________ cryptosystem.(a) conventional(b) public key(c) hash key(d) asymmetric-keyThe question was asked in exam.Query is from Types of Cryptography topic in section Cryptography in Security of Cyber Security
Answer» Right choice is (a) conventional The EXPLANATION: Conventional CRYPTOGRAPHY is also known as secret-key cryptography or symmetric-key ENCRYPTION. DATA Encryption STANDARD is an example of a conventional cryptosystem.

Discussion

46.	Conventional cryptography is also known as _____________ or symmetric-key encryption.(a) secret-key(b) public key(c) protected key(d) primary keyThe question was posed to me during an interview for a job.Question is from Types of Cryptography topic in section Cryptography in Security of Cyber Security
Answer» Correct CHOICE is (a) secret-key The explanation: The various cryptographic TECHNIQUES are SYMMETRIC Key cryptography, public key cryptography, and Hash functions based cryptography. Conventional cryptography is also KNOWN as secret-key cryptography or symmetric-key encryption.

Discussion

47.	There are ________ types of cryptographic techniques used in general.(a) 2(b) 3(c) 4(d) 5I had been asked this question during an online exam.This interesting question is from Types of Cryptography in section Cryptography in Security of Cyber Security
Answer» Correct answer is (B) 3 Easy explanation: There are three types of CRYPTOGRAPHIC TECHNIQUES used in general. These are Symmetric Key CRYPTOGRAPHY, public key cryptography, and Hash functions based cryptography.

Discussion

48.	Plain text are also called _____________(a) cipher-text(b) raw text(c) clear-text(d) encrypted textI had been asked this question in a national level competition.My question is from Types of Cryptography topic in chapter Cryptography in Security of Cyber Security
Answer» The CORRECT ANSWER is (c) clear-text Explanation: Data which is easily readable & understandable without any SPECIAL ALGORITHM or METHOD is called plain text or clear-text. This text is not secured and can be readable by anyone who is not even a legitimate user.

Discussion

49.	Data which is easily readable & understandable without any special algorithm or method is called _________________(a) cipher-text(b) plain text(c) raw text(d) encrypted textThis question was posed to me during an interview for a job.Question is taken from Types of Cryptography topic in portion Cryptography in Security of Cyber Security
Answer» Right answer is (b) plain text To explain I would say: The means of storing or SENDING data in a specific FORMAT so that only intended USERS can process it is called cryptography. Data which is easily readable & UNDERSTANDABLE without any special algorithm or method is called plain text.

Discussion

50.	Cryptography can be divided into ______ types.(a) 5(b) 4(c) 3(d) 2This question was posed to me at a job interview.I want to ask this question from Types of Cryptography topic in section Cryptography in Security of Cyber Security
Answer» Right ANSWER is (d) 2 To EXPLAIN: Cryptography can be divided into two types. These are classic cryptography & modern cryptography. Using these techniques, users can secure their INFORMATION from illegitimate ONES.

Discussion

Explore topic-wise InterviewSolutions in .

By using ______________ you can diminish the chance of data leakage.(a) Cryptography(b) Tomography(c) Chorography(d) SteganographyThe question was asked in an online interview.This key question is from Cryptography topic in portion Cryptography in Security of Cyber Security

Which of the following is not a steganography tool?(a) Crypture(b) SteganographX Plus(c) rSteg(d) Burp SuiteThis question was posed to me during an interview.My enquiry is from Cryptography in portion Cryptography in Security of Cyber Security

Which of the following is not a steganography tool?(a) Xaio steganography(b) Image steganography(c) ReaperExploit(d) SteghideThis question was addressed to me in homework.The question is from Cryptography in section Cryptography in Security of Cyber Security

Steganography follows the concept of security through obscurity.(a) True(b) FalseThe question was posed to me in class test.My enquiry is from Cryptography in portion Cryptography in Security of Cyber Security

AES is at least 6-times faster than 3-DES.(a) True(b) FalseThe question was asked in homework.The doubt is from Cryptography topic in division Cryptography in Security of Cyber Security

____________ carries out all its calculations on bytes rather than using bits and is at least 6-times faster than 3-DES.(a) AES(b) DES(c) IDEA(d) TwofishI had been asked this question in a job interview.My question is from Cryptography topic in chapter Cryptography in Security of Cyber Security

Data Encryption Standard is implemented using the Feistel Cipher which employs 16 round of Feistel structure.(a) DES(b) IDEA(c) Caesar cipher(d) TwofishI have been asked this question in an online quiz.My question comes from Cryptography in division Cryptography in Security of Cyber Security

Which of the following is not an example of a block cipher?(a) DES(b) IDEA(c) Caesar cipher(d) TwofishThis question was posed to me in an online quiz.This question is from Cryptography in portion Cryptography in Security of Cyber Security

The procedure to add bits to the last block is termed as _________________(a) decryption(b) hashing(c) tuning(d) paddingI have been asked this question in an online quiz.My enquiry is from Cryptography in division Cryptography in Security of Cyber Security

The ________________ has piece of the keyword that has the same length as that of the plaintext.(a) Block Cipher(b) One-time pad(c) Hash functions(d) Vigenere CipherThe question was asked at a job interview.The doubt is from Cryptography topic in division Cryptography in Security of Cyber Security

A set of all probable decryption keys are collectively termed as key space.(a) True(b) FalseI had been asked this question in exam.I'd like to ask this question from Types of Cryptography topic in chapter Cryptography in Security of Cyber Security

Encryption-decryption in cryptosystem is done in ______ ways.(a) 4(b) 3(c) 5(d) 2I had been asked this question at a job interview.This question is from Types of Cryptography in chapter Cryptography in Security of Cyber Security

A set of all probable decryption keys are collectively termed as ____________(a) key-stack(b) key bunch(c) key space(d) key packThis question was addressed to me in class test.Query is from Types of Cryptography in division Cryptography in Security of Cyber Security

A cryptosystem is also termed as ______________(a) secure system(b) cipher system(c) cipher-text(d) secure algorithmI got this question in an international level competition.I want to ask this question from Types of Cryptography topic in section Cryptography in Security of Cyber Security

Which of the following is not the primary objective of cryptography?(a) Confidentiality(b) Data Redundancy(c) Non-repudiation(d) AuthenticationThis question was posed to me in an interview.Question is from Types of Cryptography topic in portion Cryptography in Security of Cyber Security

_____________________ is the art & science of cracking the cipher-text without knowing the key.(a) Cracking(b) Cryptanalysis(c) Cryptography(d) Crypto-hackingI got this question in unit test.Origin of the question is Types of Cryptography in division Cryptography in Security of Cyber Security

____________ cryptography operates on binary-bit series and strings.(a) Modern(b) Classic(c) Traditional(d) PrimitiveThis question was addressed to me in quiz.The origin of the question is Types of Cryptography in chapter Cryptography in Security of Cyber Security

Data Encryption Standard is an example of a _____________ cryptosystem.(a) conventional(b) public key(c) hash key(d) asymmetric-keyThe question was asked in exam.Query is from Types of Cryptography topic in section Cryptography in Security of Cyber Security

There are ________ types of cryptographic techniques used in general.(a) 2(b) 3(c) 4(d) 5I had been asked this question during an online exam.This interesting question is from Types of Cryptography in section Cryptography in Security of Cyber Security

Plain text are also called _____________(a) cipher-text(b) raw text(c) clear-text(d) encrypted textI had been asked this question in a national level competition.My question is from Types of Cryptography topic in chapter Cryptography in Security of Cyber Security

Cryptography can be divided into ______ types.(a) 5(b) 4(c) 3(d) 2This question was posed to me at a job interview.I want to ask this question from Types of Cryptography topic in section Cryptography in Security of Cyber Security