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  5. 212-77

Linux Security
212-77 Exam

Which of the following is true of Linux passwords?

  1. They are changed with the password utility.
  2. They must be changed once a month.
  3. They may consist only of lowercase letters and numbers.
  4. They may be changed by the user who owns an account or by root.

Answer(s): A



Assume that you have just logged on as a regular user.
Which of the following commands allows you to edit the file with user passwords associated with the Shadow Password Suite?

  1. vi /etc/shadow
  2. sudo -c "vi /etc/shadow"
  3. su -c "vi /etc/shadow"
  4. visu vi /etc/passwd

Answer(s): B



Under the bash shell which is the most appropriate place to set environment variables that apply to all users?

  1. /etc/skel
  2. rc.sysinit
  3. /etc/profile
  4. /etc/bashrc
  5. rc.local

Answer(s): A



Which of the following measures is the most effective way to prevent attacks through various network services?

  1. Disable a service in the appropriate /etc/xinetd.d configuration file.
  2. Use a firewall to drop all requests to unneeded services.
  3. Block service requests with the appropriate commands in /etc/hosts.deny.
  4. Uninstall unneeded network services.

Answer(s): D




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