Red Hat EX200 Online Practice Questions and Exam Preparation

Red Hat EX200 Online Questions & Answers

• Question 131:

  Create a collaborative directory/home/admins with the following characteristics:

  Group ownership of /home/admins is adminuser

  The directory should be readable, writable, and accessible to members of adminuser, but not to any other user.

  (It is understood that root has access to all files and directories on the system.)

  Files created in /home/admins automatically have group ownership set to the adminuser group.

  Correct Answer. Check the anser in explanation.
  Check the anser in explanation.

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  mkdir /home/admins chgrp -R adminuser /home/admins chmodg+w /home/admins chmodg+s /home/admins

• Question 132:

  Create a Shared Directory.

  Create a shared directory /home/admins, make it has the following characteristics:

  /home/admins belongs to group adminuser

  This directory can be read and written by members of group adminuser Any files created in /home/ admin, group automatically set as adminuser.

  Correct Answer. Check the anser in explanation.
  Check the anser in explanation.

  ---

  mkdir /home/admins chgrp -R adminuser /home/admins chmodg+w /home/admins chmodg+s /home/admins

• Question 133:

  Who ever creates the files/directories on a data group owner should automatically be in the same group owner as data.

  Correct Answer. Check the anser in explanation.
  Check the anser in explanation.

  ---

  1.

  chmod g+s /data

  2.

  Verify using: ls -ld /data Permission should be like this: drwxrws--- 2 root sysadmin 4096 Mar 16 18:08 /data If SGID bit is set on directory then who every users creates the files on directory group owner automatically the owner of parent directory. To set the SGID bit: chmod g+s directory To Remove the SGID bit: chmod g-s directory

• Question 134:

  One Domain RHCE is configured in your lab, your domain server is server1.example.com. nisuser2001, nisuser2002, nisuser2003 user are created on your server 192.168.0.254:/rhome/stationx/nisuser2001. Make sure that when NIS user login in your system automatically mount the home directory. Home directory is separately shared on server /rhome/stationx/ where x is your Station number.

  Correct Answer. Check the anser in explanation.
  Check the anser in explanation.

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  use the authconfig --nisserver= --nisdomain= -- update Example: authconfig --niserver=192.168.0.254 --nisdomain=RHCE --update or system-config-authentication Click on Enable NIS Type the NIS Domain: RHCE Type Server 192.168.0.254 then click on next and ok You will get a ok message. Create a Directory /rhome/stationx where x is your station number. vi /etc/auto.master and write at the end of file /rhome/stationx /etc/auto.home --timeout=60 vi /etc/auto.home and write -rw,soft,intr 192.168.0.254:/rhome/stationx/and Note: please specify your station number in the place of x. Service autofs restart Login as the nisuser2001 or nisuser2002 on another terminal will be Success. According to question, RHCE domain is already configured. We have to make a client of RHCE domain and automatically mount the home directory on your system. To make a member of domain, we use the authconfig with option or system-config authentication command. There a are lots of authentication server i.e NIS, LDAB, SMB etc. NIS is a RPC related Services, no need to configure the DNS, we should specify the NIS server address. Here Automount feature is available. When user tried to login, home directory will automatically mount. The automount service used the /etc/auto.master file. On /etc/auto.master file we specified the mount point the configuration file for mount point.