Quiz
Certified Linux Administrator 11 v2
Dieses Quiz hat ein Zeitlimit und öffnet sich deshalb im gewohnten Player.
Fragen in diesem Quiz (64)
1You want to disable the network device eht0. Which command can you use?
- Aifconfig halt eth0
- Bipconfig eth0 halt
- Cip link set eth0 down
- Dip param set eth0 halt
2You wonder which installed RPM package the /etc/exports file belongs to. Which command will give you the desired information?
- Arpm -f /etc/exports
- Brpm -qf /etc/exports
- Crpm -ql /etc/exports
- Drpm --provides /etc/exports
3Which is the main configuration file for logrotate?
- A/etc/logrotate
- B/etc/logr.conf
- C/etc/cron/logrotate
- D/etc/logrotate.conf
4You want to delete all data on the second hard drive (/dev/hdb). Which command accomplishes this?
- Arm /dev/hdb
- Bdd if=/dev/zero of=/dev/hdb bs=100k
- Cdd of=/dev/zero if=/dev/hdb bs=100k
- Ddd if=/dev/zero of=/dev/hdb count=1 bs=1024
5You want to copy the mytext file from your computer to the /tmp/ directory on the remote computer da20.digitalairlines.com. Which command would you use to accomplish this?
- Assh mytext da20.digitalairlines.com:/tmp
- Bscp da20.digitalairlines.com:/tmp mytext
- Cscp mytext da20.digitalairlines.com:/tmp
- Dsftp mytext da20.digitalairlines.com:/tmp
6Which statement about a differential backup is correct?
- AThe use of differential backups is limited to backups on tape roboters.
- BTo restore a differential backup, you need tha last differential backup only.
- CTo restore a differential backup, you need the last full backup and the last differential backup that was made since the last full backup.
- DThe amount of data that needs to be backed up with each differential backup depends only on the amount of data changed since tha last differential backup.
7Which statement about the Set User ID bit on executable files is correct?
- AThe SUID bit has no security implications.
- BThe SUID bit on executables has no effect; it is only relevant when set on directories.
- CThe SUID bit makes it more difficult to exploit any potential vulnerabilities in the program.
- DThe SUID should only be set when really needed and only on applications that are well tested
8You are viewing the manual page of crontab, but it does not caontain the information you are looking for. You suspect there is another crontab manual page. Which command could you use to find out if another crontab manual page exists? (Choose 2)
- Aman a crontab
- Bwhatis crontab
- Cman -k crontab
- Dman --next crontab
- Eman --showall crontab
9You want to know which files are contained in the hugin-0.6.1-2.2.i586.rpm RPM package, which has not yet been installed. Which command will give you this information?
- Arpm -f hugin-0.6.1-2.2.i586.rpm
- Brpm -qpf hugin-0.6.1-2.2.i586.rpm
- Crpm -qpl hugin-0.6.1-2.2.i586.rpm
- Drpm --provides hugin-0.6.1-2.2.i586.rpm
10You created a script (/root/bin/backup.sh) that backups up your files when executed. Using cron, you want to executed ths script once every Saturday at 3:00 pm. Which line would you have to enter after invoking crontab -e in a terminal window?
- A15 0 * * 6 /root/bin/backup.sh
- B0 15 * * 6 /root/bin/backup.sh
- C0 15 * 6 * /root/bin/backup.sh
- D15 0 * * 6 root /root/bin/backup.sh
11While in insert mode, how do you save a file and close vi?
- APress Esc and :q
- BPress Esc and :w
- CPress Esc and :wq
- DPress Esc and :zz
12You want to install the ethereal RPM package that is available on the SUSE Linux Enterprise Server 10 installation media. Which command install the ethereal package, and resolves dependencies as needed?
- Arpm -i ethereal
- Byast -i ethereal
- Cyast -l ethereal
- Drpm -U ethereal
13Which command can be used to view the inode assigned to a filename?
- Als -i
- Bfsck -h i
- Cinode --list
- Dcat /proc/inodes
14Which lists of wireless networks are kept by NetworkManager?
- APreferred list and avoid list
- BUser list and encryption list
- CTrusted list and preferred list
- DTrusted list and untrusted list
15What is the effect of selecting the optoin "Enable IP Forwarding" in the routing configuration is YaST?
- AIP packets that do have this host as their destination are routed to another host.
- BIP packets that do not have this host as their destination are filtered according to the firewall rules.
- CIP packets that do have this host as their destination are dropped to protect the host from attacks.
- DIP packets that do not have as their destination are transferred from one network connected to he host to another network connected to this host, according to the routing table.
16You want to boot your system to runlevel 3. Which option do you have enter at the GRUB boot manager dialog?
- A3
- Binit=3
- Cboot=3
- Drunlevel=3
17You would like to run command1 and then command2, whether or not command1 completed successfully. Which command accomplishes this task?
- Acommand1 | command2
- Bcommand1 ; command2
- Ccommand1 > command2
- Dcommand1 & command2
18You want to find out which jobs are currently queued in the laser print queue on your CUPS print server. Which command displays the information you need?
- Alpstat -t
- Blp -P laser
- Clpq -P laser
- Dlpadmin -P laser
19In which is the host name of a Linux computer configured? (Hint: You do not need to include the entire path.)
/etc/HOSTNAME- ARichtig
- BFalsch
20You want to view the status (loked, valid password, etc.) of the account tux.
Which command displays the desired information?- Apasswd -L tux
- Bpasswd -v tux
- Cpasswd -p tux
- Dpasswd -S tux
21In which file are global configurations for users who use bash as their login shell set?
- A/etc/bashrc
- B/etc/bash.cf
- C/etc/bash.conf
- D/etc/bash.bashrc
22Which command displays the value stored in the $MYVAR variable?
- Aless MYVAR
- Bcat $MYVAR
- Cecho MYVAR
- Decho $MYVAR
23Which file contains the configuration information of the print queues available on your CUPS server?
- AThe /etc/printcap file
- BThe /etc/sysconfig/cups file
- CThe /etc/cups/cups.conf file
- DThe /etc/cups/printers.conf file
24How can you list the ACLs (if there are any) of a file test?
- Als -l test
- Blsacl test
- Cgetfacl test
- Dls -l --acl test
25Routes to the directly connected network are automatically set up when a device is started. All other routes are saved in which configuration file?
- A/etc/route
- B/etc/routes
- C/etc/routes.conf
- D/etc/network/routes
- E/etc/sysconfig/routes
- F/etc/sysconfig/network/routes
26What information do you need to set up an LDAP client? (Choose 4.)
- ALDAP version
- BLDAP base DN
- CKind of encrytion
- DSynchronization frequency
- EAddress of the LDAP server
- FFile name of the LDAP database
27What is the minimum number of partitions required by a SLES 10 system?
- ANone
- B1
- C2
- D4
28What is the purpose of the ssh-agent command?
- Assh-agent is a program that helps configure the ssh daemon.
- Bssh-agent is used to fecth public keys from machines within your network.
- Cssh-agent is used to avoid typing the passphrase for your key on each login.
- Dssh-agent is a program that checks for machnes in the network that have an ssh daemon running.
29Using the nice command, what is the highest priority a normal user can assing to a process?
- A-20
- B-19
- C0
- D19
- E20
- F99
30Which command can you use to create a Reiser file system on the sda6 partition? (Choose 2.)
- Amkreiserfs /dev/sda6
- Bfdisk.reiserfs /dev/sda6
- Cmake.reiserfs /dev/sda6
- Dfdisk -t reiserfs /dev/sda6
- Emkfs -t reiserfs /dev/sda6
31You have limited access to the /admin directory of the web interface of your CUPS server with the following statement in /etc/cups/cups.conf:
<Location /admin>
AuthType BasicDigest
AuthClass Group
AuthGroupName sys
Order Deny, Allow
Deny From All
Allow From 127.0.0.1
</Location>
To allow the cupsadmin user to access the /admin directory when connecting from localhost, how do you create the cupsadmin user and set his password?- Apasswd cupsadmin
- Blppasswd cupsadmin
- Cpasswd --cups cupsadmin
- Dlppasswd -a cupsadmin -g sys
32You have a test directory with the following permissions: rwx------ You want to change the permissions to the following values: r-xr-xr-x. Which command accomplishes this?
- Achmod 777 test
- Bchmod a=rx test
- Cchmod u=rx,a-rx test
- Dchmod u+w,g+rx,o+rx test
33How do you activate an ACL when mounting a file system manually?
- Amount --acl /dev/hda5 /data
- Bmount -f acl /dev/hda5 /data
- Cmount -o acl /dev/hda5 /data
- Dmount --use-acl /dev/hda5 /data
34You have a test directory with the following permissions: rwx------ You want to change the permissions to the following values: r-xr-xr-x. Which command accomplishes this?
- Achmod 777 test
- Bchmod u=rx,a-rx test
- Cchmod u-w,g+rx,o+rx test
- Dchmod u+w,g+rx,o+rx test
35What does the following line of the sudo configuration file mean? geeko ALL=/sbin/shutdown
- AAll users are allowed to shut down the computer.
- BIt allows the user geeko to shut down the computer.
- CAll users (except geeko) are allowed to shut down the computer.
- DUser geeko is allowed to shut down the computer with name ALL.
- EAll users of the computer with the name geeko are allowed to shut down the computer.
36What is the key characteristic of the root account?
- AThe user name root
- BThe User ID (UID) 0
- CThe Security Identifier (SID)
- DThe Universally Unique Identifier (UUID)
37Which statement about an incremental backup is correct?
- AThe use of incremental backups is limited to backups on tapes.
- BTo restore an incremental backup, you need the last incremental backup only.
- CTo restore an incremental backup, you need the last full backup and incremental backup that was made since the last full backup.
- DThe amount of data that needs to be backed up with each incremental backup depends only on the amount of data changed the last incremental backup.
38Which options are PAM module types that can be used in a PAM configuration file? (Choose 4.)
- Akey
- Bauth
- Ccard
- Daccount
- Esession
- Fpassword
39Which command shows you the default shell of a user?
- Aw user
- Bid user
- Cwho user
- Dfinger user
40Suppose you change from your current runlevel 5 to the new runlevel 3. Which statement is correct?
- ANothing will happen at all.
- BIf there is a K* link for a certain service in /etc/init.d/rc5.d/ but no corresponding S* link l /etc/init.d/rc3.d/, nothing will happen.
- CIf there is no K* link for a certain service in /etc/init.d/rc5.d/ but there is an S* link in /etc/init.d/rc3.d/, the service is started.
- DIf there is a K* link for a certain service in /etc/init.d/rc5.d/ and there is an S* link in /etc/init.d/rc3.d/, the service is stopped and started again.
41In a terminal window, which command can you enter to change to your home directory (/home/geeko)? (Choose 2.)
- Acd
- Bcd ~
- Ccd -h
- Dcd home
- Ecd --homedir
42You have a file named file1 and you want to create a symbolic link named link-to-file1 to the file. In a terminal window, which command accomplishes what you want? (Choose 2.)
- Aln file link-to-file1
- Bln link-to-file1 file1
- Cln -s file1 link-to-file1
- Dln -s link-to-file1 file1
- Ecp -s file1 link-to-file1
- Fmv -s file1 link-to-file1
43Which are configuration files of syslog-ng? (Choose 3.)
- A/etc/logging
- B/etc/sysconfig/log
- C/etc/log/syslog-ng
- D/etc/sysconfig/syslog
- E/etc/log/syslog-ng.conf
- F/etc/syslog-ng/syslog-ng.conf
- G/etc/syslog-ng/syslog-ng.conf.in
44The useradd command s used to create new users. Which file contains information on the primary group, shell and other parameters to be used by useradd when specified on the command line?
- A/etc/profile
- B/etc/passwd
- C/etc/shadow
- D/etc/default/useradd
45What does the following command do? tar -tzvf /tmp/backup.tgz etc/HOSTNAME
- AIt extracts the etc/HOSTNAME file from the /tmp/backup.tgz archive
- BIt includes the etc/HOSTNAME file in the /tmp/backup.tgz archive
- CIt produces an error message because the options are in the wrong sequence.
- DIt displays a line similar to the following, but otherwise does nothing: -rw-r--r-- root/root 23 2005-03-11 14:20 etc/HOSTNAME
46As root, you entered the runlevel command. What does the following output indicate? N5
- AYou are in runlevel 5. A previos runlevel is not available.
- BYou are in runlevel 5. A previous runlevel was 3 (network).
- CYou are in runlevel 3 (network). The system is changing now to runlevel 5.
- DYou are currently in no runlevel. The system is changing now to runlevel 5
47You need to find the files in the /etc directory that contain the word DocumentRoot. In a terminal window, which command will help you find it?
- Adiscover DocumentRoot /etc
- Bgrep -r DocumentRoot /etc/*
- Csearch -r DocumentRoot /etc/*
- Dfind /etc -content DocumentRoot
48You can schedule jobs to be executed by cron in several ways. Which directories are used for scripts that are to be executed at regular intervals? (Choose 2.)
- A/etc/cron.d/
- B/etc/crontabs/
- C/etc/cron.daily/
- D/var/spool/cron/tabs
49As a normal user, such as geeko, you use the lpoptions command to change printer options, such as the page size. To which file are these options saved.
- A~/.bashrc
- B~/.lpoptions
- C/etc/cups/lpoptions
- D/etc/sysconfig/cups
50Which command displays cpu and input/output statics for device and partitions?
- Asiga
- Bsitar
- Cfdisk
- Dlspci
- Eiostat
- Fhwinfo
- Ghdparm
51What is the result of the following command? (Choose 2.)
dd if=/dev/zero of=/dev/hdd bs=512 count=1- AOverwrites an existing partition table
- BCreates a LVM partition of 512 blocks
- CBacks up the /dev/zero and /dev/hdd files
- DWrites zeros in the firts 512 bytes of the firts hard disk block
- EAssings the physical volume zero to the logical volume hdd
52You do not want to see any error messages when using the find command; you want to see only the results. Which command accomplishes this task?
- Afind /etc -name "*conf" 0>/dev/null
- Bfind /etc -name "*conf" 1>/dev/null
- Cfind /etc -name "*conf" 2>/dev/null
- Dfind /etc -name "*conf" 3>/dev/null
53In the terminal window, your current working directory is /home/geeko. You want to change to the /tmp directory. Which command will make the desired change of directores? (Choose 2.)
- Acd tmp
- Bcd /tmp
- Ccd ./tmp
- Dcwd /tmp
- Ecd ../tmp
- Fcd ../../tmp
54Why are the noauto and users options used with /etc/fstab?
- AA normal user is not allowed to access this partition.
- BThey allow any user to mount and unmount a partition.
- CThey specify the partitions that are bootable by a user.
- DThey specify the partitions that are not bootable by a user.
55You have a /tmp/data directory containing the files .file, file1 and file2. You want to copy the file1 and file2 files only to the /data-old directory that already exists. In a terminal window, which command accomplishes this?
- Acp /tmp/data /data-old
- Bcp /tmp/data/. /data-old
- Ccp /tmp/data/* /data-old
- Dcp /tmp/data/? /data-old
56You entered the following as a boot option in the GRUB boot screen: init=/bin/bash What does the option mean?
- AThe bash is used as the default shell.
- BLinux starts without a graphical environment.
- CThe system is started directly in a bash shell. You are automatically logged in as root without being asked for a password.
- DThe system is started directly in a bash shell. You are automatically logged in as default user without being asked for a password.
- EThe system is started directly in a bash shell. You are automatically asked for the root password before you are logged in as root.
- FThe system is started directly in a bash shell. You are automatically asked for the default user's password before you are logged in.
57You want to view tha last 20 lines of the /var/log/messages file and any new lines that are subsequently added by syslog to this file. Which command would you use?
- Atail -20f /var/log/messages
- Bend -20f /var/log/messages
- Cless -20f /var/log/messages
- Dfollow -20 /var/log/messages
58Which RAID level is described by the following sentence? This level improves the performance of your data access; however, it does not provide redundancy.
- ARAID 0
- BRAID 1
- CRAID 4
- DRAID 5
- ERAID 6
59To which process does the process ID 1 always belong?
- Ainit
- Bboot
- Ccron
- DX server
- Ekernel (vmlinuz)
60Which command would you use to star the xeyes program in the background?
- Axeyes &
- Bxeyes &&
- Cbg | xeyes
- Dxeyes -bg
- Exeyes | bg
- Fxeyes > bg
61Which command creates the .depend.boot, .depend.start, and .dependn.stop files in /etc/init.d/?
- Ainit
- Binsserv
- Cmkinitrd
- Dmkreiserfs
62Whch command can you use to check an ext2/ext3 file system for a correct superblock, faulty data blocks, or faulty allocation of data blocks?
- Adf
- Bdu
- Cfdisk
- De2fsck
- Ereiserfsck
63Which statements about the LVM components are correct? (Choose 2.)
- AA volumen group is aprt of a logical volume.
- BLogical volumes are grouped in a master group.
- CA volume group always consist of one physical volume.
- DA physical volume can be a partition or an entire hard disk.
- EA volume group can be reduced in size by removing physical volumes.
- FThe operating system accesses the volume groups like conventional physical partitions.
64When SUSE Linux Enterprise Server 10 starts, some boot messages scroll by on the screen quickly. What is the name of the file in /var/log/ where these messages are stored?
/var/log/boot.msg- ARichtig
- BFalsch
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