Oracle Oracle Certifications 1Z0-100 Questions & Answers

• Question 21:

  You are attempting to install Oracle Linux 6 with default options and the screen is distorted. You stop the

  install.

  Which two methods can you use to install Oracle Linux and work around this problem? (Choose two.)

  A. Install the system using text mode

  B. Press the tab key and enter askmethod to allow a choice of video drivers to be listed

  C. Specify the screen resolution at the Anaconda boot prompt

  D. Install the system using a different X server

  E. Install the system with the basic video driver option

  Correct Answer: AC

• Question 22:

  Which two statements are true concerning an MSDOS partition table? (Choose two.)

  A. It does not support disks with more than 1024 cylinders

  B. It can be used on the boot disk

  C. It supports either four primary partitions or three primary partitions and one extended partition

  D. It can be used on disks up to four terabytes in size

  E. It supports named partitions

  Correct Answer: BC

• Question 23:

  Match the shell variables with their correct description:

  1) $1 a) process ID of the shell 1) $* b) the string containing all the arguments to the shell 1) $? c) process ID of the last command run in the background 1) $$ d) positional parameter 1) $! e) exit status of the most recently executed command

  A. 1-d, 2-b, 3-e, 4-a, 5-c

  B. 1-b, 2-a, 3-e, 4-d, 5-c

  C. 1-e, 2-c, 3-a, 4-b, 5-d

  D. 1-d, 2-a, 3-c, 4-b, 5-e

  Correct Answer: A

• Question 24:

  Which two statements are true concerning OpenSSH configuration files? (Choose two.)

  A. The /etc/ssh/ssh_config file is the global configuration file for the sshd server daemon

  B. If user harhest has an ssh configuration file called /home/harhest/.ssh/config, then this overrides the / etc/ssh/ssh_config file for OpenSSH sessions used by harhest

  C. Copying the /harhest/.ssh/known_hosts file from user harhest on hosta to the /jopam/.ssh/known_hosts file for user jopam on hostb, permits harhest to use OpenSSH commands to access the jopam account without supplying a password

  D. An ssh client uses either id_dsa.pub or id_rsa.pub to authenticate itself without a password, to an ssh server, which checks them into the target users' authorized_keys file

  Correct Answer: BD

• Question 25:

  Examine the channel specification in the /etc/yum.repos.d/public-yum-016.repo file:

  

  What is the effect of the gpgcheck=0 setting?

  A. yum will not check for dependencies when installing packages from this channel

  B. yum will not perform key verification during package installation from this channel

  C. This channel will not be used by yum when it checks for updated packages D. This channel will not be used by yum when it searches for packages

  E. yum will not check if the channel metadata is up-to-date for this channel

  Correct Answer: B

• Question 26:

  Examine the commands and output related to the use of the cron facility:

  

  Which three statements are true concerning the use of the crontab utility? (Choose three.)

  A. The oracle user may list the root user's crontab using cat /var/spoo1/cron/root

  B. The oracle user may list the root user's crontab using crontab –u root -1

  C. The oracle user may not delete the root user's crontab using crontab –u root -r

  D. The oracle user may not modify the root user's crontab using crontab –u root -e

  E. The root user may not create the oracle user's crontab using crontab –u oracle –e

  F. The root user may not modify the oracle user's crontab using crontab –u oracle -e

  Correct Answer: BEF

• Question 27:

  Examine the files and directories shown: What is the reason for this configuration? (Choose the best answer.)

  

  

  A. The links in /etc to the directories in /etc/rc.d are provided to make Linux run level processing configuration resemble the SysV UNIX configuration

  B. The links in /etc to the directories in /etc/rc.d are provided to permit one set to have different owners or ppermissions than the other

  C. The links in /etc to the directories in /etc/rc.d are not required and must have been added by the administrator

  D. The links in /etc to the directories in /etc/rc.d are provided to allow /etc/rc.d/rc to work properly

  Correct Answer: A

• Question 28:

  The dailyrun.sh Bash shell script has the permissions as listed here:

  -rw-r- -r- - 1 hr hradmin 8 Apr 2 06:57 dailyrun.sh

  Which three methods will be successful at avoiding permissions errrors when attempting to run the script?

  (Choose three.)

  A. executing the shell script using an alias created with the alias dailyrun='bash dailyrun.sh'

  B. executing the shell script using an alias created with the alias dailyrun=dailyrun.sh

  C. executing the shell script from the shell prompt using the bash command

  D. executing the shell script from the shell prompt using the sh command

  E. executing the shell script from within a shell function using an alias created with the alias dailyrun='dailyrun.sh'

  Correct Answer: ACD

• Question 29:

  Match the bash files with their correct description: (Choose the best answer.)

  File name Description

  1) /.bash_history a. a list of commands to be executed when you log in 2) /.bash_logout b. a list of commands that is executed every time you open a new shell 3) /.bash_profile c. a list of commands you have executed from a bash shell 4) /.bashrc d. a list of commands to be executed when you exit a login shell

  e.

  a list of commands executed before the current day

  f.

  a list of commands executed when a shell script has a nonzero return code

  A. 1-c, 2-d, 3-a, 4-f

  B. 1-c, 2-b, 3-d, 4-a

  C. 1-c, 2-d, 3-a, 4-b

  D. 1-e, 2-c, 3-a, 4-d

  E. 1-c, 2-d, 3-b, 4-f

  Correct Answer: C

• Question 30:

  The user scott tries to create a directory hierarchy under a specific directory location and encounters an error:

  

  Which command must scott use to create the directory hierarchy successfully? (Choose the best answer.)

  A. mkdir /test/test1/stored/all

  B. mkdir –r test/test1/stored/all

  C. mkdir –p test/test1/stored/all

  D. mkdir R test/test1/stored/all

  E. mkdir –r /tmp/test/test1/stored/all

  Correct Answer: C