RedHat RH202 問題集

質問 1：
Install the dialog-*
A. QUESTIONs asking you to install the dialog package from the server. In your Lab FTP server as well as NFS server are configured. You can install either through FTP or NFS.
Just Login to server1.example.com through FTP: ftp server1.example.com
Enter to pub directory: cd pub
Enter to RedHat/RPMS: cd RedHat/RPMS
Download the Package: mget dialog-*
Logout from the FTP server: bye
Install the package: rpm -ivh dialog-*
Verify the package either installed or not: rpm -q dialog
B. QUESTIONs asking you to install the dialog package from the server. In your Lab FTP server as well as NFS server are configured. You can install either through FTP or NFS.
Just Login to server1.example.com through FTP: ftp server1.example.com
Enter to pub directory: cd pub
Logout from the FTP server: bye
Install the package: rpm -ivh dialog-*
Verify the package either installed or not: rpm -q dialog
正解：A

質問 2：
There is one partition /dev/hda14 mounted on /data. The owner of /data is root user and root group. And Permission is full to owner user, read and execute to group member and no permission to others. Now you should give the full permission to user user1 without changing pervious permission.
A. We know that every files/directories are owned by certain user and group. And Permissions are defines to owner user, owner group and other. -rwxr-x--- ->
QUESTION : We should give the full permission to user user1 without changing the previous permission. ACL (Access Control List), in ext3 file system we can give permission to certain user and certain group without changing previous permission. But that partition should mount using acl option.
setfacl -m u:user1:rwx /data
Verify using: getfacl /data
B. We know that every files/directories are owned by certain user and group. And Permissions are defines to owner user, owner group and other. -rwxr-x--- ->Full permission to owner user, read and write to owner group and no permission to others. According to
QUESTION : We should give the full permission to user user1 without changing the previous permission.
vi /etc/fstab /dev/hda14 /data ext3 defaults,acl 0 1
Either Reboot or use: mount -o remount /data
setfacl -m u:user1:rwx /data
Verify using: getfacl /data
C. We know that every files/directories are owned by certain user and group. And Permissions are defines to owner user, owner group and other. -rwxr-x--- ->Full permission to owner user, read and write to owner group and no permission to others. According to
QUESTION : We should give the full permission to user user1 without changing the previous permission. ACL (Access Control List), in ext3 file system we can give permission to certain user and certain group without changing previous permission. But that partition should mount using acl option. Follow the steps
vi /etc/fstab /dev/hda14 /data ext3 defaults,acl 0 1
Either Reboot or use: mount -o remount /data
setfacl -m u:user1:rwx /data
Verify using: getfacl /data
正解：C

質問 3：
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.
A. use the authconfig --nisserver=<NIS SERVER> --nisdomain=<NIS DOMAIN> -- 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/& 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.
B. use the authconfig --nisserver=<NIS SERVER> --nisdomain=<NIS DOMAIN> -- 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/& 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.
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.
正解：A

質問 4：
Whoever creates the file on /data make automatically owner group should be the
group owner of /data directory.
A. When user creates the file/directory, user owner will be user itself and group owner will be the primary group of the user. There is one Special Permission SGID , when you set the SGID bit on directory,When users creates the file/directory automatically owner group will be same as a parent.
chmod g+s /data
Verify using: ls -ld /data You will get: drwxrws-
B. When user creates the file/directory, user owner will be user itself and group owner will be the primary group of the user. There is one Special Permission SGID , when you set the SGID bit on directory,
Verify using: ls -ld /data You will get: drwxrws--
正解：A

質問 5：
There is a HTTP server 192.168.0.254 and all required packages are dumped in
/var/www/html/rhel5 of that server. Install the Redhat Enterprise Linux 5 by creating following partitions: / 1000 /boot 200 /home 1000 /var 1000 /usr 4000 swap 2X256 (RAM SIZE)
A. Examiner will provide you the Installation startup CD. And here mentioned size may vary see on the exam paper.
Insert the CD on CD-ROM and start the system.
In Boot: Prompt type linux askmethod
It will display the Language, keyboard selection.
It will ask you for the installation method.
Select the HTTP from the list
It will ask the IP Address, Net mask, Gateway and Name Server. Select Use Dynamic IP Configuration: because DHCP Server will be configured in your exam lab.
It will ask for the Web site name and Redhat Enterprise Linux Directory. Specify the HTTP Server: 192.168.0.254 Directory: rhel5 Because-> Default Directory for http is /var/www/html
After Connecting to the HTTP Server Installation start. Go upto the partition screen by selecting the different Options.
Create the partition According to the QUESTION because Size and what-what partition should you create at installation time is specified in your QUESTION
Then select the MBR Options, time zone and go upto package selections. It is another Most Important Time of installation. Due to the time limit, you should be care about the installation packages. At Exam time you these packages are enough. X-Window System GNOME Desktop (these two packages are generally not required) Administration Tools. System Tools Windows File Server FTP Servers Mail Servers Web Servers Network Servers Editors Text Based Internet Server Configuration Tools Printing Supports When installation will complete, your system will reboot. Jump for another QUESTION.
B. Examiner will provide you the Installation startup CD. And here mentioned size may vary see on the exam paper.
Insert the CD on CD-ROM and start the system.
In Boot: Prompt type linux askmethod
It will display the Language, keyboard selection.
It will ask you for the installation method.
Select the HTTP from the list
It will ask the IP Address, Net mask, Gateway and Name Server. Select Use Dynamic IP Configuration: because DHCP Server will be configured in your exam lab.
It will ask for the Web site name and Redhat Enterprise Linux Directory. Specify the HTTP Server: 192.168.0.254 Directory: rhel5 Because-> Default Directory for http is /var/www/html
After Connecting to the HTTP Server Installation start.
System Tools Windows File Server FTP Servers Mail Servers Web Servers Network Servers Editors Text Based Internet Server Configuration Tools Printing Supports When installation will complete, your system will reboot. Jump for another QUESTION.
正解：A