Question 113 which three statements about the shmmax

QUESTION: 113
Which three statements about the shmmax parameter are true? (Choose three.)
A. Affects the kernel settings
B. Specifies the maximum size of the swap
C. Limits the size of the shared memory segments
D. Sets the shared memory values only when a new shell is invoked
E. Defines the maximum number of shared memory segments across the system
F. Should be equal to or larger than the largest System Global Area (SGA) on the system
Answer: A, C, F
QUESTION: 114
You have a Linux machine with the following features: 1) No RAID configuration 2)
Operating system without asynchronous I/O The Oracle database instance is running on the
machine. You executed the iostat -d -x 2 2 command and observed the following:
1) High wait time for I/O requests 2) Small request queue size What would you do to ensure
better I/O performance?
B
QUESTION: 115
You have Oracle Database 10g instance on a Linux machine. You want to schedule the
RMAN backup of your database everyday at 7:00 p.m. Which three options can you use to
accomplish the task? (Choose three.)
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QUESTION: 116
User1 is a member of the OSOPER group only. Which two statements are correct about
userl? (Choose two.)
QUESTION: 117
To change the value for the shmmax parameter, you issued the following command: echo
2147483648 >/proc/sys/kernel/shmmax After you set the parameter, a power failure caused
the machine to reboot. Which statement would be true in this scenario?
A. The value for shmmax would be reverted to the old value.
B. The value for shmmax would be prompted for at next booting.
C. The new value forshmmax would be retained in the next boot.
D. The higher value for shmmax among the old and new values would be retained.
Answer: A
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