Hashing & Password cracking

1. 1What does the CAT command do?

   1. Acat command allows the creation of files or it can be used to view a file.
   2. BShows file attributes.
   3. CDeletes a directory.
   4. DMakes a copy of a file.
2. 2What does the LS command do?

   1. ALocates a files locations.
   2. Bthe LS command is used to list files and their attributes.
   3. CMakes a copy of the Shadow file.
   4. DNothing.
3. 3what is a shadow file?

   1. AA shadow file contains the username and password information of Linux operating systems.
   2. BA hidden file.
   3. CA file with usernames in.
   4. DA file that contains software applications.
4. 4Where is a shadow file located?

   1. AA shadow file is located in /etc/shadow
   2. BA shadow file is located in /etc/shadowfile
   3. CA shadow file is located in /etc/fileshadow
   4. DA shadow file is located in /etc/shadow$
5. 5What does the wordlist command do in John the ripper?

   1. Athe wordlist commands, reads words from john the rippers password file.
   2. BReads words a file located in the /etc/ directory.
   3. CLists words that are commonly used for passwords.
   4. DWordlist does nothing.
6. 6What does the single command din john the ripper?

   1. Athe command single enables the "single crack" mode, using rules from the configuration file section
   2. BCracks usernames.
   3. CStarts hacking other users accounts.
   4. DCracks a file.
7. 7What is a brute-force attack?

   1. ATrail and error method of attempting obtain sensitive information.
   2. BA attack that uses pre-computed lookup tables to identify sensitive information.
   3. CA brute-force attack cracks .htpasswd files.
   4. DIt attacks /etc/shadow files.
8. 8What is a dictionary attack?

   1. Aan attempt to gain illicit access to a computer system by using a very large set of words to generate potential passwords.
   2. BAttempts all known passwords and usernames to crack a account.
   3. CNot sure.
   4. DLogs all keyboard input.
9. 9What is a salted password hash?

   1. Asalt is random data that is used as an additional input to a one-way hash function t
   2. BA password that contains over 15 characters.
   3. CA password that uses both MD5 and SHA1.
   4. DA normal hashed password.
10. 10What are pre-computed look up tables?

    1. AA database of known hashed passwords.
    2. BA table that identifies known usernames.
    3. CA database of known /etc/shadow file passwords.
    4. DA table of files.

11. 11How are hash values used to protect a files integrity?

    1. AThe hash values will never change unless the files content has changed.
    2. BThey will encrypt a file.
    3. CThey encrypt a password which in return will protect a file.
    4. DThey dont.

Beschreibung

Quiz am Hashing & Password cracking, erstellt von ryan Whittle am 09/04/2018.

Autor

ryan Whittle

Sprache

English

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74

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