Test your basic knowledge |

RHCE: Red Hat Certified Engineer

Subjects : certifications, it-skills, rhce

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. You need to configure firewalls and allow SELinux access in appropriate ways. Firewalls must allow access to the standard HTTP port - 80. SELinux must be configured to 'Allow HTTPD To Read Home Directories'. Finally - the ACL must be revised accordin
mke2fs
chcon -R -t httpd_sys_content_t /home/michael/public_html
dumpe2fs
setup

2. rpm ____ verifies the installed zip rpm against the rpm database
telnetd : ALL EXCEPT 192.168.1.10
rpm -V zip
yum update kernel
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)

3. Virtual Host Configuration: Sets a root directory for the virtual host.
filesystem type is not ext2 or ext3
DocumentRoot
fdisk
yum update kernel

4. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
NameVirtualHost
wget (http://devmon.dev.schwab.com/index.html)
grep '[.*]' server1.repo
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128

5. What parts of rhel6 should be installed to separate volumes?
htpasswd -c /etc/httpd/webpass e
dd if=./diskboot.img of=/dev/sdc
/ (root) - /boot and linux swap
NameVirtualHost

6. The default Red Hat Enterprise Linux firewall blocks access to an NFS server. While inelegant - the following command 'flushes -' or turns off - the standard Linux firewall from the local computer.
First boot process
iptables -F
yum install httpd
chkconfig --level 35 httpd on

7. What service is allowed through the default firewall?
ssh
/media/repodata
resize2fs
AllowOverride

8. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
setsebool -P squid_connect_any 1
(rpm -q)p file (for rpmfile name)
service vsftpd status
tune2fs

9. You can use the ____ tool after installation to add any package groups that you missed.
pirut
-K
fdisk -l
parted; mklabel k

10. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
select (followed by the device name such as /dev/hdb)
comps.xml (comps.xml file in the /usr/share/comps/i386 directory - -- or Web Server package group - as documented on the first installation CD in the Server/repodatata/comps-rhel5-server-core.xml file)
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
ls -Z

11. How to start the vsftp service automatically on boot?
NameVirtualHost
chkconfig vsftpd on
setup
pirut

12. You can check the status of your share. If it's working - you should see the contents of the /etc/exports directory when you run the following command:
rpm -ivh --replacepkgs xxxx*
ServerTokens
rpm -qc
showmount -e

13. The RPM database also maintains an MD5 checksum of each file. With the checksum - you can use the ____ package command to determine whether any file from that RPM package has changed.
rpm -V
yum clean all
/var/ftp/pub
chkconfig --list httpd

14. I just ran rpm -ivh zip-2.3-8.i386.rpm .. whooops - now I don't want this on my system so to get it off via rpm I type ____
filesystem type is not ext2 or ext3
iptables
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
rpm -e zip

15. When you configure Squid on your system - you need to allow access through appropriate ports and SELinux settings. The simplest approach with respect to Squid configuration assumes that all clients use the default Squid port 3128 - using TCP - where
telnetd : ALL EXCEPT 192.168.1.10
iptables
chkconfig --list httpd
rpm -e zip

16. ____ can expand and shrink ext2 and ext3 file systems
var/www/html
var/ftp/pub
chmod 705
resize2fs

17. _____ will change the size of /dev/rootvg/tmplv to 4 gig
select (followed by the device name such as /dev/hdb)
lvextend -L4G /dev/rootvg/tmplv
NameVirtualHost
--import file

18. what port needs to be open to access ftp?
chkconfig vsftpd on
rpm -Va
port 21
iptables -F

19. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
yum install mod_ssl squid
ServerName
rpm -ivh --replacepkgs xxxx*
dd if=./diskboot.img of=/dev/sdc

20. Where to find the main apache config file?
/etc/httpd/conf/
NameVirtualHost
service vsftpd status
tune2fs

21. In httpd.conf - '____ None' disables any .htaccess files. Otherwise - .htaccess can allow others to administer your server - starting from the DocumentRoot directory. If .htaccess is in a subdirectory - such as /var/www/html/data/ - the additional di
resize2fs
iptables -F
fdisk -l
AllowOverride

22. What command starts the same menu as the text-mode First Boot process?
filesystem type is not ext2 or ext3
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
setup
wget (http://devmon.dev.schwab.com/index.html)

23. ____ prints superblock and block group information.
CustomLog
/etc/vsftpd
dumpe2fs
NameVirtualHost

24. This line placed in /etc/hosts.deny denies all services except TFTP to computers in the example.org domain
tune2fs
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
/etc/init.d/httpd start

25. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
parted; mklabel k
yum clean all
setsebool -P htttpd.enable.homedirs 1
elinks

26. How to install vsftpd?
yum install vsftpd
var/www/html
setup
rpm -e zip

27. I ran 'e2label /dev/sda' and got 'bad magic number' Why?
yum install httpd
AllowOverride
filesystem type is not ext2 or ext3
yum clean all

28. As you may not have access to the GUI during the Red Hat exams - you need to know how to use text-based browsers. The standard is ____
system-config-firewall
First boot process
elinks
chmod 705

29. Create the basic cache directories in /var/spool/squid with the following command:
-i
e2fsadm
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
squid -z

30. Where is the vsftp pub dir?
/etc/httpd/conf/
/var/ftp/pub
setsebool -P squid_connect_any 1
chkconfig vsftpd on

31. This line placed in /etc/hosts.deny will mean that only computer allowed to access our Telnet server has an IP address of 192.168.1.10
htpasswd -c /etc/httpd/webpass e
telnetd : ALL EXCEPT 192.168.1.10
e2fsadm
system-config-firewall

32. When an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
var/www/html
telnetd : ALL EXCEPT 192.168.1.10
rpm -ivh --replacepkgs xxxx*
/etc/vsftpd

33. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
resize2fs /dev/myvg/homevol
chmod 705
/etc/init.d/httpd start
showmount -a

34. How do you restart the apache web server?
comps.xml (comps.xml file in the /usr/share/comps/i386 directory - -- or Web Server package group - as documented on the first installation CD in the Server/repodatata/comps-rhel5-server-core.xml file)
tune2fs
/etc/init.d/httpd restart
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)

35. Where is vsftpd.conf?
ssh
parted /dev/hda print
/etc/vsftpd
rpm -Va

36. httpd ___ shows me what config files were installed when the httpd package was installed
rpm -V zip
fdisk -l
rpm -qc
rpm -ivh --replacepkgs xxxx*

37. To update a kernel - 1) ____ 2) boot new kernel to test 3) revert to old kernel if problems 4) yum remove kernel-oldversion if no problems
yum update kernel
--import file
resize2fs
/etc/squid/

38. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible
(rpm -q)p file (for rpmfile name)
iptables -F
chmod 701
ErrorLog

39. If you configure other directories for Web services - you'll need to change their ACL settings. For example - if you create and then use the /www directory - run the following commands:
system-config-firewall
parted /dev/hda print
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
iptables -F

40. what utility can be used to open port 80?
setup
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
iptables
system-config-firewall

41. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
showmount -a
iptables
rpm -V
ErrorLog

42. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
resize2fs /dev/myvg/homevol
var/ftp/pub
chkconfig --level 35 httpd on
yum update kernel

43. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
fdisk
/etc/init.d/httpd start
filesystem type is not ext2 or ext3
mke2fs

44. This line placed in /etc/hosts.deny sends a customized error message for Telnet users on the crack.org domain saying sorry [insert client info] - access denied
var/www/html
yum install httpd
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128

45. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
/etc/vsftpd
chmod 705
rpm -qc
-l

46. To verify integrity of an rpm package - ____/rpm-gpg/RPM-GPG-KEY-redhat-release
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
CustomLog
--import file
grep '[.*]' server1.repo

47. Perform a simple check of the file system. minor-num is x.
parted; check x
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
rpm -qc
yum update kernel

48. Where is the config dir for vsftpd?
/etc/vsftpd
iptables -F
showmount -a
wget (http://devmon.dev.schwab.com/index.html)

49. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
5
port 21
lvdisplay -D /dev/rootvg/tmplv
-i

50. Some computers built before 1998 may have a BIOS that limits access to hard disks beyond the 1024th cylinder. Some older BIOSs report only 1024 cylinders on a hard drive no matter how many actual cylinders are present. Computers that are subject to t
/etc/squid/
Yes
e2fsadm
/boot