Create a 512M partition, make it as ext4 file system, mounted automatically under /mnt/data and which take effect automatically at boot-start.

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Upgrading the kernel as 2.6.36.7.1, and configure the system to Start the default kernel, keep the old kernel available.

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Create a volume group,and set 8M as a extends. Divided a volume group containing 50 extends on volume group lv (lvshare), make it as ext4 file system, and mounted automatically under /mnt/data. And the size of the floating range should set between 380M and 400M.

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Which Ansible modules can be used to change the contents of a file? (Choose three correct answers.)

• A.replace
• B.patch
• C.lineinfile
• D.insert
• E.modify

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Which of the following mechanisms are used for service discovery in a container environment? (Choose two
correct answers.)

• A.The container platform sets environment variables containing service information within the containers.
• B.The container platform offers a command like docker service discoverwhich should be run within a
  container.
• C.The container platform lists localhost ports assigned to containers in each container's /etc/servicesfile.
• D.The container platform mounts the sockets for all available services into the container's file systems.
• E.The container platforms maintains DNS records which point to containers offering a specific service.

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