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Homework answers / question archive / University of the Cumberlands MSIT ISOL631 1)Authentication provides the ability to verify data in regards to its sources ?   A longer key generally equates to a longer encrypt/ decrypt time

University of the Cumberlands MSIT ISOL631 1)Authentication provides the ability to verify data in regards to its sources ?   A longer key generally equates to a longer encrypt/ decrypt time

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University of the Cumberlands

MSIT ISOL631

1)Authentication provides the ability to verify data in regards to its sources ?

 

  1. A longer key generally equates to a longer encrypt/ decrypt time.

 

  1. Which of the following is NOT one of the core items that cryptography and encryption attempt to protect and preserve ?
  2. The ability to break these codes is known as
  3. Hash is intended to be reversible whereas a ciphertext is not designed to be so.
  4. Export laws in the context of cryptography are something that has to be considered whenever

 

  1. If you are in charge of selecting the appropriate encryption algorithm or cryptosystem to use in a given application or situation.

 

  1. Symmetric works by using the same combination to encrypt as to dcrypt. Which of the following is FALSE ?
  2. Asymmetric algorithms are ideally suited where non-repudiation and integrity are both needed. Which of the following is TRUE?
  3. Which of the following is TRUE about Keys?
  4. The length of the key does not offer stronger protection against attacks.
  5. Which of the following is TRUE about Plain Text.
  6. If plaintext comes into the process of encryption to get converted into a scrambled format, the resulting format is called.
  7. Which of the following is NOT one of Kerckhoffs original six principles for proper and careful design of algorithm?

 

  1. If you are in charge of selecting the appropriate encryption algorithm or cryptosystem to use in given application or situation. You may consider all the following factors EXCEPT

?

  1. Encryption is a process that converts unencrypted information from a clear and open state to a secure and relatively protect eye. All the following are true about encryption EXCEPT:
  2. Which of the following is FALSE about managing key ?
  3. The cryptosystems where the two keys are linked mathematically to one another is known as:
  4. A one way hash function used for PGP and other systems. No longer in use.
  5. Each block must be the same size.

 

  1. Stream ciphers typically are ideal for situations where:
  2. Key Management refers to:
  3. Due to their verifiability and ease of use digital signatures have made electronic documentation just as trustworthy than its:
  4. Both encryption and decryption operate based on cleartext.

 

  1. Key substantially impact the effectiveness of an algorithm. Which of the following is FALSE:
  2. Modern symmetric algorithms are great at all of the following Except:

 

  1. Example of some places that hashing is used:
  2.                        is a particular flavor or type of symmetric algorithm that changes plaintext to ciphertext by operating on fixed-length blocks of plaintext.
  3. If a key is sent to its intended recipient using an alternate transmission method it is know as:
  4. Asymmetric cryptosystem is the least widely used system today.

 

  1.                        work specifically on each individual bit, converting each of them plaintext to cipher in turn.
  2. One way pad are sometime used when:
  3. Key management refers to:

 

  1. Common algorithms in the symmetric category.
  2. Pre computes hashes and stores them in a database known as a:
  3. Key must never be reused in a one time pad system?

 

  1. Block ciphers tend to be used in many applications due to the need to:
  2. The cryptosystems where the two keys are linked mathematically to one another is known as:

 

  1. Cryptographic algorithm are used to prevent unauthorized parties from using or understanding the data.

 

  1. Keystream us generated as needed based on data requirement.

 

  1. Cryptographic algorithm are used to encrypt data both when it is in motion and while it is at rest

 

  1. Hashing files in their original state and then doing the same thing late should show that a file is either the same or has been altered.

 

  1. Symmetric system are sometimes referred to as.

 

 

 

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