Information Cyber Security Set 8
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This set of Information Cyber Security (ICS) Multiple Choice Questions & Answers (MCQs) focuses on Information Cyber Security Set 8
Q1 | A hacker guessing suggested password to a program is call as?
- password guessing
- dictionary attack
- default password attack
- none of these
Q2 | Symmetric key encryption is also called as?
- public key encryption
- private key encryption
- both of these
- none of these
Q3 | Conversion of Cypher text to plain text?
- encryption
- decryption
- simple text
- none of these
Q4 | __is used to create the organisation's overall security program.
- program policy
- purpose
- security
- none of these
Q5 | An act of protecting information from unauthorised disclouser to an entity.-
- intergrity
- avability
- confidentiality
- none of these
Q6 | A way to ensure that the entity is indeed what it claims to be.-
- authentication
- accountability
- identification
- security
Q7 | The__model is 7 layer architecture where each layer is having some specific functionality to perform.
- tcp
- osi
- ois
- none of these
Q8 | The full form of OSI is OSI model__.
- open systems interconnection
- open software interconnection
- open connection
- open system internet
Q9 | The technique in which when one character is replaced by another Character is called as?
- transposition
- substitution
- combinational
- none of these
Q10 | Conversion of plain text into Cipher text is called as________.
- encryption
- decryption
- hidden text
- none of above
Q11 | In Symmetric schemes requires both parties to share how many secret key?
- one
- two
- three
- four
Q12 | Blum Blum Shub Generator is based on which Algorithm?
- private key
- public key
- both a & b
- none of these
Q13 | In DES step both LPT and RPT undergoes in how much key Rounds?
- 8
- 16
- 32
- 64
Q14 | What is the 4th step in DES Algorithm?
- key transformation
- s-box substitution
- p-box permutation
- expansion permutation
Q15 | In AES in which Round Subkeys are Generated from Original key for each round?
- key expansion
- initial round
- finale round
- none of these
Q16 | AES stands for?
- authorized encryption standard
- advance encryption standard
- advance encryption strategy
- none of these
Q17 | Which of them is type of Cipher?
- stream cipher
- block cipher
- both of them
- none of these
Q18 | The message which is not understandable is called as?
- cipher text
- plain text
- hidden text
- both a & c
Q19 | The__is a polygraphic substitution cipher based on linear algebra.
- hill cipher
- playfair cipher
- affine cipher
- none of these
Q20 | __is the practice of concealing a message within another message,image or file.
- steganography
- cryptography
- cipher
- receiver
Q21 | In asymmetric key cryptography, the private key is kept by __________
- sender
- receiver
- sender and receiver
- none of these
Q22 | In cryptography the original message before being transform is called
- simple text
- plain text
- empty text
- filled text
Q23 | An asymmetric-key (or public-key) cipher uses
- 1 key
- 2 key
- 3 key
- 4 key
Q24 | In Asymmetric-Key Cryptography, although RSA can be used to encrypt and decrypt actual messages, it is very slow if the message is
- short
- flat
- long
- thin
Q25 | In Asymmetric-Key Cryptography, the two keys, e and d, have a special relationship to
- other
- data
- keys
- each other