国际认证RHCE（红帽认证）考试试题
    国际认证RHCE〔红帽认证〕考试试题
                    中国加入WTO后，学问产权爱惜将逐步规范，使得更多企业转向本钱低廉的.Linux操作平台。下面是我整理的关于国际认证RHCE(红帽认证)考试试题，希望大家认真阅读!
   
    1. If you want to allow X-Windows programs from hostB to run on the display on hostA what would you need to do?
    A. run xhost +hostB on hostA.
    B. run xhost +hostA on hostB.
    C. run xhost + on hostA.
    D. run xhost + on hostB.
    E. just set the DISPLAY environment variable and it will work.
    You answered this question incorrectly
    Explanation: You want programs from hostB to display on hostA. So you must tell hostA to allow Xclients from hostB. Hence A is correct. The xhost + command is too broad and allows anyone to connect to your X-server.
    2. What command can you enter to find out which rpm contains the /etc/foo file?
    A. rpm -qa |grep foo
    B. rpm -ql /etc/foo
    C. rpm -qlf /etc/foo
    D. rpm -q -f /etc/foo
    E. man foo
    You answered this question incorrectly
    Explanation: You can find out which rpm a file belongs to by using the rpm -q -f command. You must have the redhatrpmdb rpm installed though.
    3. You have a Linux machine that does not have X-Windows configured. What command can you use to find out what kind of graphics card it has?
    A. Xfind
    B. SuperProbe
    C. Xsetup
    D. cat /proc/video
    E. videocfg
    You answered this question incorrectly
    Explanation: The SuperProbe program is used to find information about your graphics card.
    4. Which installation class will automatically delete all of your DOS partitions?
    A. Custom
    B. Workstation
    C. Laptop
    D. Server
    E. All of the above
    You answered this question incorrectly
    Explanation: The Server installation class will automatically delete all DOS partitions. The workstation class will use availiable free space. The laptop class is very similar to the workstation class (but for laptops.)
    5. How do you install an RPM?
    A. rpm -evh packagename.rpm
    B. rpm -ivh packagename.rpm
    C. rpm -q packagename.rpm
    D. rpm -qa *.rpm
    E. rpm -ql *.rpm
    You answered this question incorrectly
    Explanation: A is wrong because the -e option is for uninstalling. B is right. C D and E are wrong because the -q option is for querrying.
    6. What program can be used to test f file for errors?
    A. mount
    B. test
    C. samba --checkparm
    D. testparm
    E. smbfs
    You answered this question incorrectly
    Explanation: the testparm program parses f file and reports any errors. If you make a typo this program is likely to find it.
    7. What command do you use to edit the default grace period for quotas?
    A. quotaconfig -g
    B. editquota -g
    C. quotaconfig -t
    D. edquota -t
    E. quotaeditor --grace
    You answered this question incorrectly
    Explanation: You use the edquota command to edit quotas. For example you can say edquota -u username to edit a specific users quota. Or you can type edquota -g to set a quota for a group. You can say edquota -t to set up grace periods.
linux认证考试费用    8. What is the correct syntax to mount an MS DOS formatted floppy disk (do not assume that there is an entry in /etc/fstab)?
    A. mount /dev/floppy /mnt/fd0
    B. mount -t iso9660 /dev/fd0 /mnt/floppy
    C. mount -t vfat /dev/fd0 /mnt/floppy
    D. mount -t msdos /dev/floppy /mnt/floppy
    E. mdir
    You answered this question incorrectly
    Explanation: A will only work if there is an entry in /etc/fstab. B is wrong because iso9660 is for CDROMs. C is correct. D is wrong becuase the device should be /dev/fd0 rather than /dev/floppy.
    9. You have created a /home/projectfoo directory. How can you change its group ownership to the projectfoo group?
    A. chmod g+rwx projectfoo /home/projectfoo
    B. chown projectfoo /home/projectfoo
    C. chgrp projectfoo /home/projectfoo
    D. newgrp projectfoo /home/projectfoo
    E. chown projectfoo.users /home/projectfoo
    You answered this question incorrectly
    Explanation: The chgrp command sets the group ownership of a file or directory.