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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. Where is the vsftp pub dir?
fdisk -l
/var/ftp/pub
setsebool -P squid_connect_any 1
nfs
2. what utility can be used to open port 80?
select (followed by the device name such as /dev/hdb)
grep '[.*]' server1.repo
system-config-firewall
rpm -e zip
3. Create the basic cache directories in /var/spool/squid with the following command:
squid -z
fdisk
parted; mklabel k
chkconfig vsftpd on
4. How to disable the firewall on the current system?
dumpe2fs
-i
iptables -F
chmod 705
5. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
pirut
chkconfig --level 35 httpd on
var/ftp/pub
yum clean all
6. rpm ____ verifies the installed zip rpm against the rpm database
lvdisplay -D /dev/rootvg/tmplv
showmount -a
nfs
rpm -V zip
7. You can use the ____ tool after installation to add any package groups that you missed.
showmount -e
pirut
resize2fs
iptables -F
8. How do you restart the apache web server?
elinks
chkconfig vsftpd on
/etc/init.d/httpd restart
/boot
9. 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
setsebool -P squid_connect_any 1
dumpe2fs
rpm -qc
yum update kernel
10. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
chmod 705
lvextend -L4G /dev/rootvg/tmplv
fdisk -l
--import file
11. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
ServerName
5
htpasswd -c /etc/httpd/webpass e
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
12. 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
rpm -qc
yum -y update
yum install mod_ssl squid
13. httpd ___ shows me what config files were installed when the httpd package was installed
-i
rpm -qc
AllowOverride
5
14. 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
telnetd : ALL EXCEPT 192.168.1.10
rpm -Va
setsebool -P htttpd.enable.homedirs 1
setup
15. Where is the main apache data directory?
parted /dev/hda print
LVM
var/www/html
/etc/init.d/httpd restart
16. rpm ____ to install kernel updates
/etc/vsftpd
rpm -qc
fdisk
-i (do not use -U or -F!)
17. Create a disk label for the partition table called k
parted; mklabel k
5
yum update kernel
rpm -V
18. How to install vsftpd?
Yes
/var/ftp/pub
yum install vsftpd
e2fsadm
19. Perform a simple check of the file system. minor-num is x.
parted; check x
grep '[.*]' server1.repo
tune2fs
AllowOverride
20. How to install apache?
rpm -V zip
-l
e2fsadm
yum install httpd
21. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
ServerTokens
First boot process
fdisk
NameVirtualHost
22. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
setup
fdisk -l
/etc/squid/
setsebool -P htttpd.enable.homedirs 1
23. ____ prints superblock and block group information.
ServerAdmin
parted; mklabel k
dumpe2fs
iptables -F
24. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
setsebool -P squid_connect_any 1
dd if=./diskboot.img of=/dev/sdc
dumpe2fs
fdisk -l
25. 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*
resize2fs
ls -Z
/etc/init.d/httpd restart
26. 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
setsebool -P squid_connect_any 1
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
wget (http://devmon.dev.schwab.com/index.html)
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)
27. rpm ____ [name of package] to verify the package - once you have manually imported the key
CustomLog
iptables -F
rpm -V zip
-K
28. '____ /var/www' will tell you the ACL settings of /var/www
tune2fs
DocumentRoot
ls -Z
resize2fs
29. Use parted to display disk geometry for /dev/hda and end up in shell
parted /dev/hda print
/etc/httpd/conf/
parted; mklabel k
chmod 705
30. Apache supports security by specifying active ports through the Listen and ____ directives.
port 21
NameVirtualHost
wget (http://devmon.dev.schwab.com/index.html)
setsebool -P htttpd.enable.homedirs 1
31. To list under which run levels the web service will start
chkconfig --list httpd
CustomLog
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
service vsftpd status
32. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible
squid -z
chmod 701
lvextend -L4G /dev/rootvg/tmplv
ServerName
33. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
setup
/etc/init.d/httpd restart
chmod 705
NameVirtualHost
34. Virtual Host Configuration: Creates an custom log; the location is based on the DocumentRoot. (from http://www.books24x7.com/book/id_18196/viewer.asp?bookid=18196&chunkid=218985502)
CustomLog
showmount -e
rpm -qc
/etc/init.d/httpd restart
35. After you edit /etc/exports - run service ___ stop...
/etc/vsftpd
iptables -F
nfs
-l
36. 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
/boot
rpm -Va
/etc/squid/
chmod 705
37. How to start the vsftp service automatically on boot?
chkconfig vsftpd on
/etc/httpd/conf/
rpm -ivh --replacepkgs xxxx*
yum install httpd
38. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
ErrorLog
rpm -e zip
/etc/squid/
elinks
39. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
showmount -a
-K
/etc/init.d/vsftpd start
/etc/squid/
40. What parts of rhel6 should be installed to separate volumes?
chkconfig httpd on
/ (root) - /boot and linux swap
ErrorLog
chmod 705
41. 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)
e2fsadm
setsebool -P squid_connect_any 1
fdisk -l
fdisk
42. Virtual Host Configuration: Sets a root directory for the virtual host.
/ (root) - /boot and linux swap
setup
yum install httpd
DocumentRoot
43. rpm ____ verifies all installed rpms against the rpm database
e2fsadm
rpm -Va
yum install httpd
iptables -F
44. Tthe file that might contain: oldvg - rootvg - etc.
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)
select (followed by the device name such as /dev/hdb)
var/www/html
/etc/lvmtab
45. The rpm ____ option installs the package - if it isn't already installed.
-i
elinks
mke2fs
parted; mklabel k
46. 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 ____
rpm -e zip
fdisk
-l
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
47. ____ can expand and shrink ext2 and ext3 file systems
dumpe2fs
showmount -a
resize2fs
yum -y update
48. 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
filesystem type is not ext2 or ext3
rpm -V
setsebool -P squid_connect_any 1
/etc/vsftpd
49. The simplest way to install Apache
yum install httpd
NameVirtualHost
-i (do not use -U or -F!)
First boot process
50. I ran 'e2label /dev/sda' and got 'bad magic number' Why?
chkconfig --list httpd
chkconfig vsftpd on
filesystem type is not ext2 or ext3
fdisk -l