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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. How to make sure apache starts automatically on next reboot?
/ (root) - /boot and linux swap
chkconfig httpd on
rpm -ivh --replacepkgs xxxx*
5
2. pam ___ will tell me if any files in the pam package have changed since it was first installed
--import file
yum clean all
rpm -V
dumpe2fs
3. How to start apache service?
/etc/init.d/httpd start
resize2fs
fdisk -l
yum install mod_ssl squid
4. 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
chkconfig --list httpd
var/ftp/pub
yum install httpd
iptables
5. What service is allowed through the default firewall?
yum install httpd
/etc/lvmtab
ssh
port 21
6. What command starts the same menu as the text-mode First Boot process?
setsebool -P squid_connect_any 1
setup
fdisk -l
/etc/init.d/httpd start
7. 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.
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
fdisk
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
rpm -V
8. ____ can expand and shrink ext2 and ext3 file systems
ErrorLog
yum install mod_ssl squid
resize2fs
yum clean all
9. 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.
iptables -F
yum install httpd
ssh
var/www/html
10. What is the standard directory for file sharing with vsFTP?
yum -y update
var/ftp/pub
parted /dev/hda print
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
11. httpd ___ shows me what config files were installed when the httpd package was installed
rpm -qc
showmount -a
setsebool -P squid_connect_any 1
chmod 705
12. 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
/etc/lvmtab
ServerTokens
telnetd : ALL EXCEPT 192.168.1.10
CustomLog
13. 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)
(rpm -q)p file (for rpmfile name)
/ (root) - /boot and linux swap
fdisk -l
e2fsadm
14. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive
setup
mke2fs
tune2fs
fdisk -l
15. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
5
(rpm -q)p file (for rpmfile name)
chmod 701
ServerAdmin
16. ____ is used to modify file system parameters
yum install mod_ssl squid
setup
--import file
tune2fs
17. _____ will change the size of /dev/rootvg/tmplv to 4 gig
grep '[.*]' server1.repo
lvextend -L4G /dev/rootvg/tmplv
/etc/httpd/conf/
elinks
18. 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
setsebool -P squid_connect_any 1
/media/repodata
/boot
nfs
19. Create the basic cache directories in /var/spool/squid with the following command:
mke2fs
rpm -Va
squid -z
showmount -a
20. How to install apache?
squid -z
yum install httpd
ErrorLog
rpm -e zip
21. rpm option to show me the package files
-l
e2fsadm
iptables
chmod 701
22. rpm ____ to import the rpm key for integrity checking
ErrorLog
--import file
AllowOverride
NameVirtualHost
23. '____ /var/www' will tell you the ACL settings of /var/www
-i (do not use -U or -F!)
ls -Z
var/ftp/pub
resize2fs
24. Virtual Host Configuration: Names the URL for the virtual host.
lvextend -L4G /dev/rootvg/tmplv
system-config-firewall
-i
ServerName
25. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
/etc/vsftpd
fdisk
rpm -Va
LVM
26. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
fdisk -l
yum clean all
dd if=./diskboot.img of=/dev/sdc
/etc/vsftpd
27. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
dumpe2fs
ServerTokens
parted /dev/hda print
select (followed by the device name such as /dev/hdb)
28. rpm ____ verifies the installed zip rpm against the rpm database
rpm -V zip
yum install httpd
/etc/init.d/vsftpd start
/etc/vsftpd
29. The simplest way to install Apache
parted; check x
port 21
NameVirtualHost
yum install httpd
30. 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
resize2fs
var/ftp/pub
fdisk -l
setsebool -P squid_connect_any 1
31. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
tune2fs
resize2fs /dev/myvg/homevol
service vsftpd status
rpm -Va
32. If you want to create a database file named webpass in the /etc/httpd directory - for user 'e' - you'd start with the following command:
yum install httpd
htpasswd -c /etc/httpd/webpass e
iptables
chkconfig --list httpd
33. Are SELinux and iptables-based firewalls are enabled by default?
CustomLog
Yes
ls -Z
iptables -F
34. How to start the vsftp service?
/boot
/etc/init.d/vsftpd start
elinks
parted; mklabel k
35. How to install vsftpd?
/etc/squid/
yum install vsftpd
ServerName
port 21
36. rpm ____ [name of package] to verify the package - once you have manually imported the key
NameVirtualHost
-K
ls -Z
5
37. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
ssh
/media/repodata
rpm -Va
38. what port needs to be open to access ftp?
nfs
port 21
rpm -V zip
CustomLog
39. To check status of ftp daemon
/var/ftp/pub
(rpm -q)p file (for rpmfile name)
service vsftpd status
chkconfig --list httpd
40. What is the first post installation step?
lvdisplay -D /dev/rootvg/tmplv
elinks
setsebool -P squid_connect_any 1
First boot process
41. How to start the vsftp service automatically on boot?
chkconfig vsftpd on
/etc/vsftpd
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)
parted; check x
42. Perform a simple check of the file system. minor-num is x.
Yes
telnetd : ALL EXCEPT 192.168.1.10
parted; check x
port 21
43. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
resize2fs /dev/myvg/homevol
chmod 705
yum -y update
yum update kernel
44. Create a disk label for the partition table called k
-l
yum update kernel
parted; mklabel k
chmod 705
45. To list under which run levels the web service will start
CustomLog
e2fsadm
chkconfig --list httpd
setsebool -P squid_connect_any 1
46. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
ErrorLog
chkconfig --list httpd
tune2fs
fdisk -l
47. ______ will show me volume info including vg - size - etc of /dev/rootvg/tmplv
fdisk -l
filesystem type is not ext2 or ext3
lvdisplay -D /dev/rootvg/tmplv
service vsftpd status
48. httpd ___ to update the httpd package - automatically answering yes to all the questions
yum -y update
ServerName
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
ssh
49. I ran 'e2label /dev/sda' and got 'bad magic number' Why?
filesystem type is not ext2 or ext3
rpm -ivh --replacepkgs xxxx*
-i (do not use -U or -F!)
5
50. You can use the ____ tool after installation to add any package groups that you missed.
select (followed by the device name such as /dev/hdb)
iptables
/etc/vsftpd
pirut