Linux LPI 117-101 # 8 Of 9

What umask will set the file permissions on a newly created file to -rw-r--r-- (644)?

• 0002

• 0022

• 0224

• 0246

What command (with parameter[s]) would you type to mount all partitionsspecified in the /etc/fstab?

You have a floppy image called boot.img in your current working directory andwish to transfer this image to a floppy device /dev/fd0. Type in the simplestcommand that would do this?

You are building a server that will have many hardware and operating systemupgrades. The server is the file server for all users on your 100 user network. Whichdirectory should have its own mountpoint and/or hard drive?

What must be added to the following to enable group quotas for /usr?/dev/hda2 /usr ext2 defaults 1 1

On a standard Linux system as a normal user, what umask value will cause your fileto be created with the following permissions ?drwxr-x--- 2 username group 512 Mar 6 11:16 dir1-rw-r----- 1 username group 0 Mar 6 11:16 file1

You work as network administrator at Certkiller .com. A user moved to anotherdepartment within Certkiller .com. Which command would you use to change the groupownership of her files and directories? (fill in the blank - only the command withoutarguments or options):

A file named  Certkiller1 is set with the following ownership:            Owner = bla            Group =  blubYou want to change this file's ownership to be totally owned by foo and group bar, whatcommand string will accomplish this?

You wish to copy the entire contents of the /dev/hda1 to /dev/hdb1 block by block.Type in the simplest command that would do this?

You are the root user of a system, and need to gather quota information about allusers on the system. Type the command along with any options and arguments toaccomplish this.

You are building that what will be a busy email and web server. You have plenty ofspace on a hardware RAID device. You are concerned about heavy log activitycausing problems. Which directory should you give its own partition?

Which chown command will change the ownership to foo and thegroup to bar on a file named biglist?

• Chown foo/bar biglist

• Chown -u foo -g bar biglist

• Chown foo:bar biglist

• Chown --user foo --group bar biglist

  What file must be put in the root of a filesystem for quotas to be enabled for users?

To prevent users from being able to fill up the / partition, the _________ directoryshould be on a separate partition if possible because it is world writeable.

Type the command and argument that would cause the default permissions onnewly created files to be set as:rw- r-- r--

What does the command mount -a do?

• It mounts the floppy disk for all users.

• It shows all mounted file systems.

• It opens /etc/fstab to edit.

• It mounts all file systems listed in /etc/fstab.

Before you start creating directories on a newly created file system, what should you do?

• Check the base system's umask setting

• Check the base system's CMOS setting

• Check the base system's init stage setting

• Check the base system's process ID setting

A base Linux system's umask setting should be default to:

• 022

• 066

• 077

• 211

To allow a regular user account to mount and unmount a filesystem (for instance, acdrom or floppy), which option will need to be added to the corresponding line in          /etc/fstab?

• Nouidchk

• Alluser

• User

• Auto

What TWO permissions must a user have in order to run a shell script?

• Read

• Write

• Execute

• Browse on the directory

• Users cannot run shell scripts

After creating a new file, you notice that the permissions of the newfile are -rw-rw-rw-. From this, you know that the value of the umask iswhat?

• 023

• 000

• 112

• 111

• 223

How can you generate a report on the disk usage and quotas for all filesystem whichare defined in /etc/mtab to be read-write with quotas?

• Quotarep -a

• Repquota /dev/hd*

• Repquota -a

• Quotarep /dev/hd*

If you set the umask to 022, by default what permissions will your files have?

• 0220

• 0557

• 0644

• 0755

How can you set the SGID on a file called Certkiller examinator?

• Chmod u+s Certkiller examinator

• Chmod g+s Certkiller examinator

• Chmod o+s Certkiller examinator

• Chmod u+t Certkiller examinator

When you create a new file, the permissions show as 654. What value is the umasklikely set at?

• 012

• 002

• 123

• 022

You are using quota on your system. How can you see disk quota details?

• Repquota

• Quota -l

• Quota

• Quotachech

• Quota -list

Where is the quota information for users of volume /home stored?

• /etc/sysconfig/quota/quota.home.user

• /etc/quota/quota.home.user

• /home/quota.home.user

• /home/quota.user

• /home/quota.home.group

Which shown command will change the ownership to 'Certkiller' and the group to file 'list'?

• Chown Certkiller /users list

• Chown -u Certkiller -g users list

• Chown Certkiller:users list

• Chown -- user Certkiller - group users list

Two directories require different quota for file system usage. The /var/maildirectory needs a 20MB quota, and the /home directories require a 40MB quota.What must be true about these directories?

• They must exist on Ext3 partitions

• They must be on different drives

• They must be on different partitions

• They must be mounted by the root user

What two things does the /etc/fstab file contain references to?

• File Systems

• Mount Points

• User Options

• File System Defaults

• File System Permissions

Which is a valid /etc/fstab entry

• Fs1:/proc /mnt/fs1 nfs defaults 9 9

• /mnt/fs1 fs1:/proc nfs defaults 0 0

• Fs1:/home /mnt/fs1 nfs defaults 0 0

• /mnt/home fs1:/home nfs defaults 0 0

• /home:fs1 /mnt/fs1 nfs defaults 0 0

You have the following file:           -rwxrwxr-x 1 foo root 0 Feb 23 07:48 /bin/fooWhich of the following commands will change the owner of the file /bin/foo from thefoo user to the bar user without affecting group ownership?

• Chown /bin/foo bar

• Chown bar /bin/foo

• Chown bar.foo /bin/foo

• Chown.foo.bar /bin/foo

If a file is symlinked to with a link name of file2, and that file is deleted, whathappens to the contents of the file?

• The contents still exist, and can be reached with file2

• The contents are gone, leaving file2 orphaned

• The file can be retrieved with undelete -f file2

• File2 is another name to the original, and the contents are still there

Which option must be listed in /etc/fstab to activate user quotas automatically?

• Quota

• User

• Quotaon

• Usrquota

Which entry in /etc/fstab will allow any user to mount andunmount /dev/cdrom?

• /dev/cd rom /cd ro,noauto,unhide, all iso9660 0 0

• /dev/cdrom /cd iso9660 ro,noauto,nonroot 0 0

• /dev/cdrom /cd iso9660 ro,user,noauto,unhide 0 0

• /dev/cdrom /cd iso9669 ro,user,noauto,unhide 0 0

• /dev/cdrom /cd iso9660 ro,noauto,defaults 0 0

A user named Certkiller needs to execute a system script file. What rights do theuser need to execute a script file?

• Read, Write and Execute for all

• Execute only for user

• Read-only for user, Execute for group

• Read and Execute in the same permission set

When you create a new directory, you see the permissions are set to 600. Whatumask value would cause this to happen?

• 177

• 066

• 244

• 155

• 333

Which command will print out the attributes of the file foobar?

• Ls --attr foobar

• Lsattr foobar

• Printattr foobar

• Fileattr foobar

What is the proper option to put in /etc/fstab to enable user quotas for particular partition?

• Usrquoata

• Userquota

• Userquoatas

• Usrquotas

Which of the following commands is run last during boot on a systemWith quotas enabled?

• Fsck

• Mount

• Quotacheck

• Quotaon

What would the following line accomplish if run as root?chown -R bert /home/bert/*

• Nothing, this command is invalid.

• It would rovoke bert's ownership of all files in /home/bert to bert.

• It would change user ownership of all files in /home/bert to bert.

• It would set the group ownership of the directory /home/bert to bert

• It would set ownership of all files and subdirectories in /home/bert to bert

 What are the default permissions for the Red Hat /etc/passwd file?

• 644

• 640

• 400

• 641

• 440

Your unmask is set to 002. If you create a new file, what will the permission of thenew file be?

• -rw-rw-r--

• Rwxrwx-w-

• ------w-

• Rwxrwxr-x

Which of the following commands makes /bin/foo executable by everyone but onlywritable by its owner?

• Chmod 557 /bin/foo

• Chmod o +rwx, a+rx /bin/foo

• Chown 557 /bin/foo

• Chmod 755 /bin/foo

On boot you see an error message indicating that line 18 of /etc/fstabis bad. Looking at it shows:/dev/fdO /mnt/ floppy auto auto, user 0 0Why is there an error?

• Auto is not allowed in the third field for rernoveable media.

• Auto in the fourth field cannot be used for removeable media.

• The fifth field must be 1 for removeable media.

• The sixth field must be 1 for removeable media

You have just added a CD-ROM drive (/dev/hdd) to your system and have added itto your fstab. Typically you can use which of the following commands to mountmedia in that drive to /mnt/cdrom?

• Mount /dev/cdrom /mnt/cdrom

• Mount /dev/cdrom

• Mount -t cdrom /dev/cdrom /mnt/cdrom

• Mount /mnt/cdrom

• Automount /mnt/hdd /mnt/cdrom

You changed umask to prevent access to your files by others. Nowyou realize that another user has read a document that you wrote 2weeks ago. Which of the following statements is correct?

• You forgot a umask option

• You had to delete all older files.

• You forgot to use chmod.

• You have to reboot.

What are the default permissions on the Red Hat /etc/shadow file?

• 644

• 600

• 400

• 444

• 640