Deck 5: Cryptography and Data Protection

Question 1

When you use the word ______it means you are protecting your data from getting disclosed.

A)confidentiality
B)integrity
C)authentication
D)availability

Answer 1

confidentiality

Question 2

_______ means the protection of data from modification by unknown users.

A)confidentiality
B)integrity
C)authentication
D)non-repudiation

Answer 2

integrity

Question 3

_______ of information means, only authorized users are capable of accessing the information.

A)confidentiality
B)integrity
C)non-repudiation
D)availability

Answer 3

availability

Question 4

This helps in identifying the origin of information and authentic user. This referred to here as __________

A)confidentiality
B)integrity
C)authenticity
D)availability

Question 5

Data ___________ is used to ensure confidentiality.

A)encryption
B)locking
C)decryption
D)backup

Question 6

What does OSI stand for in the OSI Security Architecure?

A)open system interface
B)open systems interconnections
C)open source initiative
D)open standard interconnections

Question 7

A company requires its users to change passwords every month. This improves the ________ of the network.

A)performance
B)reliability
C)security
D)none of the above

Question 8

The ________ is encrypted text.

A)cipher scricpt
B)cipher text
C)secret text
D)secret script

Question 9

What type of attack uses a fraudulent server with a relay address?

A)ntlm
B)mitm
C)netbios
D)smb

Question 10

Which is the largest disadvantage of the symmetric Encryption?

A)more complex and therefore more time-consuming calculations.
B)problem of the secure transmission of the secret key.
C)less secure encryption function.
D)isn\t used any more.

Question 11

In cryptography, what is cipher?

A)algorithm for performing encryption and decryption
B)encrypted message
C)both algorithm for performing encryption and decryption and encrypted message
D)decrypted message

Question 12

In asymmetric key cryptography, the private key is kept by __________

A)sender
B)receiver
C)sender and receiver
D)all the connected devices to the network

Question 13

Which one of the following algorithm is not used in asymmetric-key cryptography?

A)rsa algorithm
B)diffie-hellman algorithm
C)electronic code book algorithm
D)dsa algorithm

Question 14

In cryptography, the order of the letters in a message is rearranged by __________

A)transpositional ciphers
B)substitution ciphers
C)both transpositional ciphers and substitution ciphers
D)quadratic ciphers

Question 15

What is data encryption standard (DES)?

A)block cipher
B)stream cipher
C)bit cipher
D)byte cipher

Question 16

A asymmetric-key (or public key ) cipher uses

A)1 key
B)2 key
C)3 key
D)4 key

Question 17

In asymmetric key cryptography, the two keys e and d, have special relationship to

A)others
B)data
C)keys
D)each other

Question 18

_________________ is the process or mechanism used for converting ordinary plain text into garbled non-human readable text & vice-versa.

A)malware analysis
B)exploit writing
C)reverse engineering
D)cryptography

Question 19

______________ 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.

A)malware analysis
B)cryptography
C)reverse engineering
D)exploit writing

Question 20

Cryptographic algorithms are based on mathematical algorithms where these algorithms use ___________ for a secure transformation of data.

A)secret key
B)external programs
C)add-ons
D)secondary key

Question 21

Conventional cryptography is also known as _____________ or symmetric-key encryption.

A)secret-key
B)public key
C)protected key
D)primary key

Question 22

The procedure to add bits to the last block is termed as _________________

A)decryption
B)hashing
C)tuning
D)padding