What are the cracking modes supported by John the Ripper?
What will be an ideal response?
John the Ripper supports several modes for cracking passwords:* The wordlist mode is the simplest mode supported by John the Ripper and compares passwords against a list of words in a text file.* The single-crack mode is faster than the wordlist mode, and it uses logon or GEOCS information for cracking passwords. It limits the cracking process to the accounts related to the logon information. If more than one user has the same password, it repeats the comparison of guessed passwords.* The incremental mode is the most powerful mode used by John the Ripper. It attempts all possible combinations of letters, numbers, and special characters as passwords. This mode is used for conducting brute-force attacks.* The external mode is the user-defined mode. An external mode may be defined by using the section [List.External: Mode] in the john.ini file. Here, mode is the name of the external mode. You can use an external mode to specify customized functions for trying passwords. You should add these functions to the [List: External: Mode] section.
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You cannot use the fully-qualified name of an enum constant for ___________.
a. a case expression b. an argument to a method c. a boolean expression d. Any of these
Answer the following statement(s) true (T) or false (F)
1. The expression getline(cin, message) accepts and stores characters typed at the terminal continuously until the Enter key is pressed. 2. The string class function int length() returns the length of the string. 3. At a fundamental level, all input (as well as output) is done on a character-by-character basis. 4. User-input validation is an essential part of any commercially viable program. 5. One of the major uses of strings in programs is for user-input validation.
In an Ethernet network, the process called __________________ determines which machines may access the wire at any time.
Fill in the blank(s) with the appropriate word(s).
A(n) ______ message is an electronic document transmitted over a computer network.
Fill in the blank(s) with the appropriate word(s).