Online Access Free 1z0-460 Exam Questions

Examine the sar command below. Your Oracle Linux system has one CPU. What does the runqsz column of this output convey about your system?

• A.CPU is not a bottleneck because the run queue size indicates the number of CPU bound processes on your system.
• B.CPU is a bottleneck because the run queue size indicates that adequate memory is not allocated.
• C.The average of three processes are only using the CPU on your system and hence the CPU is not a bottleneck.
• D.CPU is bottleneck because the run queue size is greater than the number of CPUs on your system.

View the output below. As oracle user, you run the following command on your Oracle Linux 6 system:
[oracle@dbhost ~ ] $
[oracle@dbhost ~] $ nice - - 10 ./myscript.sh &
[1] 2735
[oracle@dbhost ~] $ nice: cannot set niceness: permission denied
Why is the nice command failing?

• A.A nice value of -10 is not the permissible niceness range.
• B.Shell scripts cannot be assigned a negative nice value.
• C.A negative nice value can be set by the root user.
• D.There is already another process running with same niceness value on this system.

Which two utilities can you use to manipulate the partition table on Oracle Linux?

• A.system-config-disk
• B.parted
• C.chkdsk
• D.format
• E.fdisk

The sshd service running and you execute the following command:
# chkconfig sshd off
What happens when you run this chkconfig command?

• A.The sshd service is disabled only for current runlevel.
• B.The sshd service disabled only for runlevel 5.
• C.The sshd service is disabled for runlevels 2, 3, 4, and 5 and ssh service is stopped.
• D.The sshd service id disabled for runlevels 2, 3, 4, and 5, but the ssh service is still available until the next reboot.

A system administrator wants to enable packet without making the changes permanent.
What command would he use to complete this action?

• A.Echo 0 > /proc/sys/net/ipv4/ip_forward
• B.Echo 1> /proc/sys/net/ipv4_ip_forward
• C.Echo 1> /proc/sys/net/ip_forward/
• D.Echo 1 > /etc/sysconfig/sys/net/ipv4/ip_forward