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NEW QUESTION 30
Which statements is true concerning Oracle Linux configuration files for users and groups?
- A. The /etc/passwd file contains hashed passwords for each user.
- B. The /etc/group file contains the group name and the hashed group password.
- C. The /etc/shadow file contains hashed passwords for each user.
- D. The GECOS field in /etc/passwd file may be empty.
Answer: C
Explanation:
Explanation
/etc/shadow file stores actual password in encrypted (one-way hashed) format for user's account with additional properties related to user password i.e. it stores secure user account information
NEW QUESTION 31
During the setup of additional swap space on an ext2 filessystem, you encounter an error as shown below:
Which action must you perform to add additional swap space?
- A. Reinitialize /u01/swapfile by issuing mkswap -L swapfile /u01/swapfile.
- B. Re-create the swapfile on an ext3 or ext4 filesystem.
- C. Change LABEL=swapfile to /u01/swapfile in the appropriate /etc/fstab entry.
- D. Create a symbolic link /dev/swapfile that points to u01/swapfile.
- E. None, because adding filesystem based swap space is not supported.
Answer: C
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION 32
Examine the output shown:
[root@FAROUT fs] # rpm -qa | grep preinstall Oracle-rdbms-server-11gR2-preinstall-1.0-6.e16.x86_64
[root@FAROUT fs] # rpm -q1 oracle-rdbms-server-11gR2-preinstall-1.0-6.e16.x86_64 /etc/rc.d/init.d/oracle-rdbms-server-11gR2-preinstall-firstboot /etc/sysconfig/Oracle-rdbmsserver-11gR2-preinstall-verify
/etc/sysconfig/oracle-rdbms-server-11gR2-preinstall/Oracle-rdbms-server-11gR2preinstall.param
/usr/bin/oracle-rdbms-server-11gR2-preinstall-verify
Which three statements are true about oracle-rdbms-server-11gR2-preinstall-1.06.e16.x86_64 rpm?
- A. It runs at the first boot after installing the packages to set a parameter indicating that is has run once.
- B. It creates the osoper group, if not already created.
- C. It modifies kernel parameters in /etc/sysctl.conf.
- D. It is a new name for oracle-validated package from Oracle Linux 5 that sets parameters to the same values.
- E. It creates the grid user if not already created which owns the grid infrastructure software should that get installed.
- F. It creates the oracle user if not already created, which owns the Grid Infrastructure software should that get installed.
- G. It modifies parameters in the /etc/sysconfig/network-scripts directly.
Answer: C,D,F
NEW QUESTION 33
As root, you enter a crontab command as shown;
[root@FAROUT cron.daily] # crontab -1
*/2 * * * * vmstat
0 0 1 1-5 * iostat
[root@FAROUT cron.daily] #
Which three statements are true concerning the two cron jobs listed?
- A. The iostat command runs at midnight on the first day of each of the first five months of the year.
- B. All cron job output is sent to the root user's mall.
- C. All cron job output is sent to /var/log/messages.
- D. The vmstat command runs twice per hour.
- E. The iostat command runs at midnight of every day except Sunday.
- F. The vmstat command runs every second minute.
- G. The vmstat command runs every other hour.
Answer: A,B,F
NEW QUESTION 34
Examine the partition table:
Disk /dev/sdd: 107 MB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number StartEndSizeTypeFileSystemFlags
11049KB79.7MB78.6MBPrimary
Which program cannot be used to add another partition on this device?
- A. cfdisk
- B. kpartx
- C. fdisk
- D. parted
Answer: B
Explanation:
Explanation/Reference:
Explanation:
kpartx - Create device maps from partition tables
Incorrect:
Not A: fdisk (in the first form of invocation) is a menu driven program for creation and manipulation of partition tables.
Not B: cfdisk is a disk partition manipulation program, which allows you to create, destroy, resize, move and copy partitions on a hard drive
not C: parted
GNU Parted - a partition manipulation program
NEW QUESTION 35
Examine this sequence of commands and output:
Which two can be determined from this output?
- A. The system has Oracle Linux 6 installed and the Red Hat compatible kernel is running.
- B. The oracle-release package contains both Oracle and Red Hat release metadata.
- C. It is not possible to determine which kernel is running.
- D. The system has Oracle Linux 6 installed and the Oracle Unbreakable Enterprise kernel Is running.
- E. This system has been booted at least once, with the Red Hat-compatible kernel and once with the Unbreakable Enterprise kernel.
Answer: B,C
NEW QUESTION 36
Which two Statements are true concerning the configuration and use of cron and anacron?
- A. Anacron jobs may run as frequently as once a minute.
- B. Cron jobs may run as frequently as once a minute.
- C. Anacron jobs are used to make sure cron jobs run if the system had been down when they were meant to run.
- D. The crond daemon looks for jobs only in /etc/crontab.
- E. All crontabs are held in the /etc/cron.d directory.
Answer: B,C
NEW QUESTION 37
Which three options are available during the Anaconda installer disk partitioning setup stage for a machine with only one hard disk device?
- A. Manual resizing of existing partitions on all selected devices
- B. Replacing of existing Linux partitions only and leaving any other partitions unchanged
- C. Removal of all existing partitions and creating new partitions to suit the install
- D. Manual resizing of existing partitions on only a single device
- E. Replacing of existing non-Linux partitions only, and leaving any Linux partitions unchanged
- F. Removal of all empty partitions only, leaving any Linux or non-Linux partitions unchanged
Answer: B,C,D
Explanation:
Explanation/Reference:
Explanation:
A: Shrink Current System
Select this option to resize your current data and partitions manually and install a default Red Hat Enterprise Linux layout in the space that is freed.
C: Replace Existing Linux System(s)
Select this option to remove only partitions created by a previous Linux installation. This does not remove other partitions you may have on your hard drives (such as VFAT or FAT32 partitions).
F: Replace Existing Linux System(s)
Select this option to remove only partitions created by a previous Linux installation. This does not remove other partitions you may have on your hard drives (such as VFAT or FAT32 partitions).
Note:
NEW QUESTION 38
Which three statements are true about rpm package dependencies?
- A. The RPM command can detect both direct and indirect package dependencies.
- B. The YUM command can detect and resolve direct and indirect package dependencies.
- C. A source RPM can have a dependency on a binary RPM.
- D. The RPM command can detect only direct package dependencies.
- E. The YUM command can detect and resolve indirect package dependencies only within the same repository.
- F. The YUM command can only detect and resolve direct package dependencies.
Answer: A,C,E
Explanation:
D: yum deplist <package>
Produces a list of all dependencies and what packages provide those dependencies for the given
packages.
NEW QUESTION 39
Which three statements correctly describes the purpose of and administration of kernel boot parameters in Oracle Linux?
- A. Additional kernel boot parameters may be specified in an administrator-specified parameter file that is read by grub stage.
- B. Kernel boot parameters may be specified in /boot/grub/grub/conf.
- C. Additional kernel boot parameters may be specified from the grub command line.
- D. Additional kernel boot parameters may be specified in an administrator-specified parameters that is read by GRUB stage1_5.
- E. Kernel boot parameters used to boot the running system may be examined after boot by viewing /proc/ cmdline.
- F. Kernel boot parameters used to boot the running system may be examined after boot by Viewing /boot/ grub/grub/conf.
Answer: B,C,E
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION 40
Identify three features/functions enabled by using asmlib? (Choose three.)
- A. Replaces udev for all files used by any application
- B. Device ownership persistence
- C. Multipathing driver for luns used for asmdisks
- D. locking facility for using luns in an ASM cluster
- E. Application-to-disk data integrity checking
- F. Device naming persistence
Answer: B,E,F
NEW QUESTION 41
Which two statements are true about the Unbreakable Linux Network (ULN)?
- A. It contains only binary RPM packages.
- B. It is the only location to download errata.
- C. It contains additional packages not found on the installation media.
- D. It is freely available to all Oracle Linux customers.
- E. It contains both source and binary RPM packages.
- F. All Unbreakable Linux subscribers are allowed to deploy a local YUM repository.
Answer: C,E
NEW QUESTION 42
Examine the partition table:
Disk /dev/sdd: 107 MB
Sector size (logical/physical): 512B/512B Partition Table: msdos
Number StartEndSizeTypeFileSystemFlags
11049KB79.7MB78.6MBPrimary
Which program cannot be used to add another partition on this device?
- A. cfdisk
- B. kpartx
- C. fdisk
- D. parted
Answer: B
Explanation:
kpartx - Create device maps from partition tables
Incorrect: Not A: fdisk (in the first form of invocation) is a menu driven program for creation and manipulation of partition tables. Not B: cfdisk is a disk partition manipulation program, which allows you to create, destroy, resize, move and copy partitions on a hard drive not C: parted GNU Parted - a partition manipulation program
NEW QUESTION 43
You have a single network adapter called eth0.
DEVICE = eth0 BOOTPROTO=DHCP HWADR=BC:305B:C5:63;F1 NM_CONTROLLED=no ONBOOT=YES TYPE=Ethernet PEERDNS=no UUID=C9dba2e8-9faf-4b77-bbe2-92dd81dda1f9
Which two Statement:; are true concerning eth0 based on this configuration?
- A. dhclient does not override the contents of /etc/resolv.conf.
- B. The dhclient command may only be used to obtain a lease at boot time.
- C. dhclient overrides the contents of /etc/resolv.conf.
- D. DNS is not used to resolve host names for this adapter.
- E. DHCP is used to obtain a lease on an IP address.
Answer: E
Explanation:
A: BOOTPROTO=DHCP
C: PEERDNS=answer
where answer is one of the following:
yes - Modify /etc/resolv.conf if the DNS directive is set. If using DHCP, then yes is the default.
no - Do not modify /etc/resolv.conf.
Note: The "/etc/resolv.conf" file is used to configure the location of the DNS servers to be used for name resolution.
NEW QUESTION 44
Examine the command and output shown:
bash-4.1# 1s
1s: error while loading shared libraries: libselinux.so.1: cannot open shared object file: No such file or directory No files have been deleted from your system and you want to determine the cause of the error.
Which two commands or utilities can help the root user diagnose this problem?
- A. dmesg
- B. strace
- C. ldd
- D. grep libselinux.so.1 /var/log/dmesg
- E. grep libselinux.so.1 /var/log/message
Answer: B,C
Explanation:
To diagnose the problem, use the following commands:
ldd /usr/bin/ls
and
ldd /cat
strace -o /tmp/ls.strace -f su - root -c ls
References:
NEW QUESTION 45
......
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