Linux LPI 117-101 # 8 Of 9

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

• A.

  File Systems

• B.

  Mount Points

• C.

  User Options

• D.

  File System Defaults

• E.

  File System Permissions

Which is a valid /etc/fstab entry

• A.

  Fs1:/proc /mnt/fs1 nfs defaults 9 9

• B.

  /mnt/fs1 fs1:/proc nfs defaults 0 0

• C.

  Fs1:/home /mnt/fs1 nfs defaults 0 0

• D.

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

• E.

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

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

• A.

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

• B.

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

• C.

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

• D.

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

• E.

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

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

• A.

  Usrquoata

• B.

  Userquota

• C.

  Userquoatas

• D.

  Usrquotas

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

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?

• A.

  Mount /dev/cdrom /mnt/cdrom

• B.

  Mount /dev/cdrom

• C.

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

• D.

  Mount /mnt/cdrom

• E.

  Automount /mnt/hdd /mnt/cdrom

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 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?

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?

• A.

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

• B.

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

• C.

  The fifth field must be 1 for removeable media.

• D.

  The sixth field must be 1 for removeable media

What does the command mount -a do?

• A.

  It mounts the floppy disk for all users.

• B.

  It shows all mounted file systems.

• C.

  It opens /etc/fstab to edit.

• D.

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

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?

• A.

  Nouidchk

• B.

  Alluser

• C.

  User

• D.

  Auto

Which file contains information about filesystems and their respective mount points?

• A.

  /etc/mount

• B.

  /etc/fs_mount

• C.

  /etc/fstab

• D.

  /proc/fstab

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

• A.

  Quota

• B.

  User

• C.

  Quotaon

• D.

  Usrquota

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?

• A.

  Quotarep -a

• B.

  Repquota /dev/hd*

• C.

  Repquota -a

• D.

  Quotarep /dev/hd*

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

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?

• A.

  They must exist on Ext3 partitions

• B.

  They must be on different drives

• C.

  They must be on different partitions

• D.

  They must be mounted by the root user

You want to configure user quotas for the /home filesystem. You've installed thequota packages. What else needs to be done to enable the filesystem's quotas?Choose all that apply.

• A.

  Add usrquota to the /etc/fstab options column

• B.

  Run the quotaon command

• C.

  Run the quotacheck -avug command

• D.

  Edit the user's quota settings

• E.

  Remount the file system

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

• A.

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

• B.

  /etc/quota/quota.home.user

• C.

  /home/quota.home.user

• D.

  /home/quota.user

• E.

  /home/quota.home.group

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

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?

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.

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

• A.

  Fsck

• B.

  Mount

• C.

  Quotacheck

• D.

  Quotaon

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

• A.

  Repquota

• B.

  Quota -l

• C.

  Quota

• D.

  Quotachech

• E.

  Quota -list

Which of the following commands will list the quota for the user foobar?

• A.

  Repquota foobar

• B.

  Quota foobar

• C.

  Lsquota foobar

• D.

  Printquota foobar

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

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

• A.

  Read, Write and Execute for all

• B.

  Execute only for user

• C.

  Read-only for user, Execute for group

• D.

  Read and Execute in the same permission set

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

• A.

  -rw-rw-r--

• B.

  Rwxrwx-w-

• C.

  ------w-

• D.

  Rwxrwxr-x

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

• A.

  Check the base system's umask setting

• B.

  Check the base system's CMOS setting

• C.

  Check the base system's init stage setting

• D.

  Check the base system's process ID setting

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

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

• A.

  0220

• B.

  0557

• C.

  0644

• D.

  0755

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

• A.

  022

• B.

  066

• C.

  077

• D.

  211

In which file are you likely to find the global setting for the umask and ulimit?

• A.

  /etc/profile

• B.

  /etc/bashrc

• C.

  /etc/bash_profile

• D.

  ~/.bashrc

• E.

  ~/.bash_profile

What is the purpose of setting the SUID? Choose all that apply.

• A.

  Allows any user to run a executable program with the permissions of the owner of the program

• B.

  Allows any user to run a program with the permissions of the group of the program

• C.

  Everyone can edit the files that are created but only root and owner can delete them.

• D.

  To keep programs that are needed constantly in non-swappable RAM

• E.

  To cause a program opened in one X virtual pane to follow the user's focus to other panes

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

• A.

  Read

• B.

  Write

• C.

  Execute

• D.

  Browse on the directory

• E.

  Users cannot run shell scripts

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

• A.

  177

• B.

  066

• C.

  244

• D.

  155

• E.

  333

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

• A.

  012

• B.

  002

• C.

  123

• D.

  022

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

• A.

  644

• B.

  640

• C.

  400

• D.

  641

• E.

  440

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

• A.

  644

• B.

  600

• C.

  400

• D.

  444

• E.

  640

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?

• A.

  023

• B.

  000

• C.

  112

• D.

  111

• E.

  223

You want the default permissions for your files to be -rw-r----- .HOW must you set umask?

• A.

  037

• B.

  640

• C.

  038

• D.

  027

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?

• A.

  You forgot a umask option

• B.

  You had to delete all older files.

• C.

  You forgot to use chmod.

• D.

  You have to reboot.

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

• A.

  0002

• B.

  0022

• C.

  0224

• D.

  0246

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

• A.

  Ls --attr foobar

• B.

  Lsattr foobar

• C.

  Printattr foobar

• D.

  Fileattr foobar

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):

You need to alter the permissions on the directory /home/mrbill and all it'scontents to match the following permissions.            drwxr--r--Which of these commands with options and arguments will accomplish this? Choosetwo.

• A.

  Chmod 0744 /home/mrbill -R

• B.

  Chmod 744 /home/mrbill/*

• C.

  Chmod -R u=rwx,g=r,o=r /home/mrbill

• D.

  Chmod u+rwx,g+r,o+r /home/mrbill

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

• A.

  Chmod u+s Certkiller examinator

• B.

  Chmod g+s Certkiller examinator

• C.

  Chmod o+s Certkiller examinator

• D.

  Chmod u+t Certkiller examinator

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

• A.

  Chmod 557 /bin/foo

• B.

  Chmod o +rwx, a+rx /bin/foo

• C.

  Chown 557 /bin/foo

• D.

  Chmod 755 /bin/foo

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?

• A.

  Chown /bin/foo bar

• B.

  Chown bar /bin/foo

• C.

  Chown bar.foo /bin/foo

• D.

  Chown.foo.bar /bin/foo