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XK0-005 · Question #822
XK0-005 Question #822: Real Exam Question with Answer & Explanation
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System Management
Question
Users connecting to a MySQL database on a Linux system report frequent errors. An administrator reviews the following partial output of the /proc/meminfo and free commands: Which of the following should the administrator do to ensure that the MySQL service will continue to run even if the system runs out of swap space? (Choose two.)
Options
- AIssue the sysctl -w vm.overcommit_ratio=100 command.
- BIssue the sysctl -w vm.overconunit_memory=2 command.(Invalid key)
- CIssue the dd if=/dev/zero of=/swapfile bs=1024 count=65536 command.
- DIssue the mkswap /dev/sda2; swapon -v /dev/sda2 command.
- EReload the /etc/fstab file by issuing the mount -a command.(Not sufficient alone)
- FUse disk quotas on the swap space to prevent MySQL from overutilizing the swap partition.
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Topics
#Swap space#Linux Memory Management#System Administration#Resource Management