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Vendor: Oracle
Exam Code: 1Z0-100
Exam Name: Oracle Linux 5 and 6 System Administration

QUESTION 1
This MDADM output:

11[2]

Which two aspects can be determined from this output?

A.    A device failed and has been removed from this RAID set.
B.    It is no longer possible to write to this RAID set.
C.    Read and write performance is no longer optimal on this RAID set.
D.    This RAID set was built without a spare device.
E.    Only Write performance is no longer optimal on this RAID set.

Answer: AD

QUESTION 2
Examine the command on its output:
[root@FAROUT ~] # modprobe -v nfs
Insmod /lib/modules/2.6.39-100.0.12.e16uek.x86_64/kernel/fs/nfs_common/nfs_acl.ko insmod /lob/modules/2.6.39-
100.0.12.e16uek.x86_64/kernel/net/sunrpc/auth_gss/auth_rpcgss.ko
Insmod /lib/modules/2.6.39-100.0.12.e16uek.x86_64/kernel/fs/fscache/fscache/ko
Insmod /lib/modules/2.6.39-100.0.12.e16uek.x86_64/kernel/fs/locked.ko
Insmod /lib/modules/2.6.39-100.0.12.e16uek.x86_64/kernel/fs/nfs/nfs.ko
Which two statements are true about the modprobe command?

A.    It will load the nfs module if all the modules upon which it depends have been loaded.
B.    It displays the dependency resolution for the nfs module and loads all the modules upon which nfs depends before loading the nfs module.
C.    It verifies that the nfs module and all other modules that depend on the nfs module are installed.
D.    It displays the dependency resolution that would occur if the nfs module were to be loaded using modprobe nfs.
E.    It only loads the nfs module if all the modules upon which it depends have not been loaded yet.

Answer: A

QUESTION 3
What is the main advantage of the Oracle Unbreakable Enterprise Kernel compared with the Red Hat compatible kernel?

A.    It is more secure and, therefore, more difficult to hack.
B.    It has a lower Mean Time Between Failures.
C.    It provides higher availability for applications by reducing Mean Time to Recovery.
D.    It scales better for more CPUS, memory, and Infiniband network connections.

Answer: D

QUESTION 4
Examine this output:
# df -t nfs
FilesystemSizeUsedAvailUse%Mounted on
o16:export30G21G7.6G74%/mnt
# 1s -1 /mnt/nfs.sh
-rwxr-mr-x. 1 root root 22 May 8 16:37 /mnt/nfs.sh
# file /mnt/nfs.sh
/mnt/nfs.sh: Bourne-Again shell script text executables
# /mnt/nfs.sh
bash: /mnt/nfs.sh: Permission denied
What is the reason for the error?

A.    The file system was exported on host o16 using the ROOT_SQUASH option.
B.    The /export filesystem was mounted with the NOEXEC option on host o16.
C.    The filesystem mounted on /mnt was mounted with the NOEXEC option.
D.    The filesystem was exported on host o16 by using the NO_ROOT_SQUASH option.

Answer: A

QUESTION 5
Which two software packages are prerequisites for enabling the configuration and use of a Network information Service (Nis) client?

A.    nis-tools
B.    slapi-nis
C.    ypbind
D.    nisserv
E.    nisbind
F.    yp-tools

Answer: CE

QUESTION 6
Which two Statements are true concerning the configuration and use of cron and anacron?

A.    Anacron jobs are used to make sure cron jobs run if the system had been down when they were meant to run.
B.    All crontabs are held in the /etc/cron.d directory.
C.    Cron jobs may run as frequently as once a minute.
D.    Anacron jobs may run as frequently as once a minute.
E.    The crond daemon looks for jobs only in /etc/crontab.

Answer: CE

QUESTION 7
You recently updated the strace package to the latest version as shown:
71[2]
What is the outcome of running this command?

A.    It downgrades the strace package to version 4.5.19-1.6.e16.
B.    It downgrades strace package to version 4.5.19-1.11.e16_3.2.
C.    It fails with an error because you cannot downgrade a package using the yum command.
D.    It fails with an error because there are multiple versions available to which Yum can downgrade the strace package.
E.    It will prompt you to select a version of the strace package that you want to downgrade.

Answer: A

QUESTION 8
Which statement is true concerning the /etc/sysconfig directory and its files and subdirectories?

A.    The contents are always the same for a specific version of the Oracle Linux Kernel.
B.    The file /etc/sysconfig/init is used by upstart to control the attributes of the tty devices that get started.
C.    The directory /etc/sysconfig/network-scripts contains files that must not be modified while the network is up.
D.    The files only contain default values for certain daemon processes.

Answer: B

QUESTION 9
Examine the routing table:

91[3]

Which three statements are true concerning the routing of IP packets?

A.    Traffic to 192.168.180.180 is routed via eth1.
B.    Traffic to 192.168.180.240 is routed via eth1.
C.    Traffic to 192.168.0.42 is routed via eth2.
D.    Traffic to 192.168.42.42 is routed via eth2.
E.    Traffic to 192.168.42.42 is routed via eth0.
F.    Traffic to 192.168.180.180 is routed via eth0.

Answer: BD

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