1Z0-100 Online Practice Questions and Answers

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.

Which two steps should be performed to permit using SSH, SCP, or SFTP commands by the ORACLE account on the host FAROUT to the oracle account on the host WAYOUT without supplying a password?

A. The oracle account user on host FAROUT must issue an ssh-keygen command to generate public and private key files in the ~ oracle/.ssh directory FAROUT.

B. The oracle account user on the host WAYOUT must issue an ssh-keygen command to generate public and private key files in the ~/oracle.ssh directory on WAYOUT.

C. The Oracle account user on host FAROUT must add the contents of ~/oracle/.ssh/id_dsa.pub or ~/ oracle/.ssh/is_rsa.pub file to the ~/oracle/.ssh/authorized_keys file on host WAYOUT.

D. The Oracle account user on host WAYOUT must add the contents of ~/oracle/.ddh/id_dsa or ~/oracle/ .ssh/id_rsa.pub file to the ~/oracle/.ssh/authorized_keys file on host FAROUT.

E. The oracle account user on host WAYOUT must set the permissions on the ~/oracle/.ssh/ authorized_keys file to 644.

F. The Oracle account user on host FAROUT must set the permissions in ~/oracle/.ssh/authorized_keys file 644.

Which four are among the many components included in the oracle Linux distribution?

A. Apache Web Server

B. Documentation

C. X Windowing system

D. Oracle Database Server 11g

E. Red Hat compatible kernel

F. Oracle WebLogic Server 11g

Which three statements are true about the bash shell script's capabilities and features?

A. The s* shell variable holds the exit status of the last command executed in the foreground.

B. The | | operator ensures that a command is run only if the command preceding the | | operator fails.

C. If test "SMYVAR" = prod and if ["SMYVAR" *= prod ] are equivalent ways to test the value of the MYVAR variable in a shell script.

D. If the first line of the script begins with #!/bin/sh, then the sh shell program is unable to interpret the script.

E. The bash shell supports more than 10 command-line arguments.

F. The andand operator ensures that a command is run regardless of the outcome of the command that preceded the andand operator.

Examine this /etc/fstab entry:

Identify the actions you must perform to relocate this filesystem permanently to its new mount point?

A. 1, 2, 3, 4, 5, 6 and 7

B. 1, 2, 3, 4, 5 and 6

C. 1, 2, 5 and 6

D. 1, 2, 5, 6 and 7 ^

E. 1, 2 and 6

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. Create a symbolic link /dev/swapfile that points to u01/swapfile.

B. Reinitialize /u01/swapfile by issuing mkswap L swapfile /u01/swapfile.

C. Re-create the swapfile on an ext3 or ext4 filesystem.

D. Change LABEL=swapfile to /u01/swapfile in the appropriate /etc/fstab entry.

E. None, because adding filesystem based swap space is not supported.

Which two statements are true regarding the use of the ssh-agent and ssh-add commands?

A. The ssh-agent is used to hold private keys.

B. The ssh-add command may ask for a passphrase each time the same key is required by the same user in the same shell.

C. The ssh-agent is used to hold only public keys.

D. The ssh-add command asks for the passphrase only the first time a key is required by the same user in the same shell.

E. The ssh-add command retries the most recently saved passphrase if multiple key files are used.

Users complain that system performance is unacceptable when using a specific application service running on a multiprocessor service.

You have established from the storage team that disk response times have not increased, so you can discount there being an I/O problem.

You run vmstat to look at CPU activity and notice high average disk times on the multiprocessor system and an average run queue of zero.

You require more detail about each CPU from which the vmstat figures are derived, to investigate if the load is distributed evenly across all CPUs.

Which three commands provide more detailed information about CPU load distribution?

A. iostat x

B. top

C. mpstat

D. vmstat

E. sar

Which three are valid directories for cron jobs to be run at known intervals?

A. /etc/cron.hourly

B. /etc/cron.daily

C. /etc/cron.minutely

D. /etc/cron.monthly

E. /etc/cron.yearly

F. /etc/cron.annually

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