Scifi Curoisity

  Q:1.  If we talk about control hijacking, which of the following is true ? 1. In Buffer overflow attacks, stack based attacks are more common than heap based attack. 2.-> Integer overflow attacks is not a type of control hijacking. 3. Format string vulnerabilities are used to prevent control hijacking. 4. All of the above Reason :      I nteger overflow  occurs when you attempt to store inside an  integer  variable a value that is larger than the maximum value the variable can hold.   Q:2.  If we mark the stack and heap segement as non executable, 1. No code will execute. 2. return-oriented programming will also not be able to exploit it. 3.-> we can prevent overflow code execution. 4. All of the above. Reason :   If we mark the stack and heap segement as non executable, we can prevent overflow code execution. because Overflow code execution can be prevented by marking the stack and heap segments as non-executable . Q:3. ...

  Q:1.  ____ is a type of permission in an unix file which can be assigned to a ______. 1. execute, administrator 2. read, group 3. - > write, user 4. All of the above Reason :   Write is a type of permission in an unix file which can be assigned to a user and The permissions of a file are the first line of defense in the security of a Unix system. The basic building blocks of Unix permissions are the read, write, and execute permissions Q:2.  Which of the following statement is correct for access token ? 1. It contains the destination for access token. 2. It contains a list of the privileges held by either the user or the user's groups. 3. -> Impersonation Token is a personal token. 4. All of the above Reason: Impersonation tokens are a type of personal access token that can only be created by an admin for a specific user. They are a great fit if you want to build applications or scripts that authenticate with the API as a specific user. ... For more informati...