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Test your basic knowledge |
RHCE: Red Hat Certified Engineer
Start Test
Study First
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. For linux ext2 there is an easier way than using resize2fs. LVM 1 ships with a utility called __________ which does the lvextend and resize2fs for you (it can also do file system shrinking)
/etc/init.d/httpd restart
dd if=./diskboot.img of=/dev/sdc
e2fsadm
fdisk -l
2. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
iptables -F
select (followed by the device name such as /dev/hdb)
First boot process
lvdisplay -D /dev/rootvg/tmplv
3. ____ can expand and shrink ext2 and ext3 file systems
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
resize2fs
First boot process
AllowOverride
4. How to start the vsftp service?
lvdisplay -D /dev/rootvg/tmplv
-l
fdisk -l
/etc/init.d/vsftpd start
5. Where is the config dir for vsftpd?
/etc/squid/
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
/etc/init.d/httpd restart
/etc/vsftpd
6. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
parted /dev/hda print
resize2fs /dev/myvg/homevol
yum update kernel
yum install httpd
7. For SELinux - you'll at least want to use the Security Level Configuration tool to activate the Allow Squid Daemon To Connect To The Network option - also known as the squid_connect_any boolean. Alternatively - you can activate this boolean with the
chkconfig --level 35 httpd on
system-config-firewall
setsebool -P squid_connect_any 1
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
8. This line placed in /etc/hosts.deny denies all services except TFTP to computers in the example.org domain
-K
mke2fs
DocumentRoot
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
9. rpm ____ verifies the installed zip rpm against the rpm database
select (followed by the device name such as /dev/hdb)
rpm -V zip
yum install httpd
nfs
10. 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 ____
/etc/squid/
rpm -e zip
ServerTokens
grep '[.*]' server1.repo
11. The main Squid configuration file is ____/squid.conf
resize2fs /dev/myvg/homevol
/etc/squid/
mke2fs
chcon -R -t httpd_sys_content_t /home/michael/public_html
12. How to install apache?
/etc/init.d/httpd start
yum install mod_ssl squid
yum install httpd
squid -z
13. ______ will show me volume info including vg - size - etc of /dev/rootvg/tmplv
lvdisplay -D /dev/rootvg/tmplv
yum install vsftpd
-l
5
14. ____ configuration is not available via text mode RHEL installation.
LVM
mke2fs
yum update kernel
chmod 705
15. ____ is used for creating ext2 and ext3 file systems
/etc/lvmtab
fdisk -l
chkconfig --level 35 httpd on
mke2fs
16. rpm option to show me the package files
-i
-l
fdisk -l
dd if=./diskboot.img of=/dev/sdc
17. 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
ServerName
fdisk
telnetd : ALL EXCEPT 192.168.1.10
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
18. Where is the main apache data directory?
var/www/html
5
parted /dev/hda print
/boot
19. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
fdisk -l
dd if=./diskboot.img of=/dev/sdc
ssh
-i (do not use -U or -F!)
20. How do you restart the apache web server?
/etc/init.d/vsftpd start
chkconfig vsftpd on
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
/etc/init.d/httpd restart
21. what port needs to be open to access ftp?
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
setsebool -P htttpd.enable.homedirs 1
ServerTokens
port 21
22. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?
chkconfig httpd on
/etc/init.d/vsftpd start
/media/repodata
var/www/html
23. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
chkconfig --list httpd
nfs
rpm -V
NameVirtualHost
24. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
/var/ftp/pub
(rpm -q)p file (for rpmfile name)
parted; mklabel k
tune2fs
25. You can use the ____ tool after installation to add any package groups that you missed.
pirut
Yes
setsebool -P htttpd.enable.homedirs 1
yum update kernel
26. pam ___ will tell me if any files in the pam package have changed since it was first installed
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
e2fsadm
rpm -V
DocumentRoot
27. '____ /var/www' will tell you the ACL settings of /var/www
ls -Z
setsebool -P squid_connect_any 1
telnetd : ALL EXCEPT 192.168.1.10
AllowOverride
28. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
chmod 705
/boot
5
29. When an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
rpm -ivh --replacepkgs xxxx*
/etc/init.d/httpd start
parted; mklabel k
chkconfig httpd on
30. I ran 'e2label /dev/sda' and got 'bad magic number' Why?
ServerAdmin
parted /dev/hda print
setsebool -P htttpd.enable.homedirs 1
filesystem type is not ext2 or ext3
31. 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
yum clean all
/boot
tune2fs
First boot process
32. ____ is used to modify file system parameters
rpm -V zip
tune2fs
ErrorLog
elinks
33. 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
/etc/init.d/httpd restart
--import file
lvdisplay -D /dev/rootvg/tmplv
34. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
ErrorLog
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
5
rpm -V
35. Tthe file that might contain: oldvg - rootvg - etc.
dumpe2fs
chmod 701
/etc/lvmtab
chkconfig --level 35 httpd on
36. httpd ___ to update the httpd package - automatically answering yes to all the questions
iptables
var/ftp/pub
yum -y update
resize2fs /dev/myvg/homevol
37. OS from http.conf - this line looks deceptively simple; it limits what readers see about your Web server when you browse to a nonexistent page. If you don't use this command - outsiders can see whether you've loaded modules such as Perl - Python - an
parted; check x
ServerTokens
telnetd : ALL EXCEPT 192.168.1.10
/etc/lvmtab
38. Virtual Host Configuration: Names the URL for the virtual host.
parted; check x
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)
ServerName
ErrorLog
39. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
yum clean all
chcon -R -t httpd_sys_content_t /home/michael/public_html
/etc/squid/
40. ____ prints superblock and block group information.
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
dumpe2fs
e2fsadm
fdisk -l
41. What is the standard directory for file sharing with vsFTP?
/var/ftp/pub
var/ftp/pub
ls -Z
chmod 705
42. The simplest way to install Apache
select (followed by the device name such as /dev/hdb)
-i
yum install httpd
LVM
43. What command starts the same menu as the text-mode First Boot process?
tune2fs
setup
squid -z
yum -y update
44. Virtual Host Configuration: Sets a root directory for the virtual host.
htpasswd -c /etc/httpd/webpass e
fdisk -l
yum update kernel
DocumentRoot
45. How to start the vsftp service automatically on boot?
chkconfig vsftpd on
parted /dev/hda print
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
NameVirtualHost
46. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
lvextend -L4G /dev/rootvg/tmplv
showmount -a
var/ftp/pub
chkconfig vsftpd on
47. 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
service vsftpd status
port 21
ErrorLog
48. rpm ____ to install kernel updates
/etc/init.d/vsftpd start
-i (do not use -U or -F!)
yum install mod_ssl squid
setsebool -P htttpd.enable.homedirs 1
49. Where to find the main apache config file?
/etc/squid/
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
/etc/httpd/conf/
yum install httpd
50. Run the ____ command to find the device associated with the USB key.
fdisk -l
yum install vsftpd
/etc/init.d/httpd start
chmod 701