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Exam contains 94 questions

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Question 37 🔥

Which three types of output may be obtained from commands from the crash utility in Oracle Linux?

Which database solution meets these requirements?

A. kernel data structures

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B. information about all open and closed files

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C. kernel symbol names

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D. information about all mounted and unmounted file systems

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E. a list of tasks on the sleep queue

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F. a list of tasks on the stopped queue

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Discussion of the question

Question 38 🔥

Which statement is true about btrfs file system devices?

Which database solution meets these requirements?

A. You must execute the btrfs device scan after every reboot to add a device to a btrfs file system.

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B. The btrfs device scan -all-devices command scans physical devices looking for members of a btrfs volume.

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C. Blocks are automatically rebalanced across all existing devices after adding new devices.

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D. A device may be added to btrfs only if the file system is unmounted.

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Discussion of the question

Question 39 🔥

Which two statements are true about debugging OCFS2?

Which database solution meets these requirements?

D. Trace bits has two possible statuses: allow and deny.

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E. You must unmount all ocfs2 file systems to enable the use of the debugfs.ocfs2 command.

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A. The o2image command copies OCFS2 file system data from the device to the specified image file.

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B. The o2image command copies OCFS2 file system metadata from the device to the specified image file.

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C. You must mount the debugfs file system to enable the use of the debugfs.ocfs2 command.

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Discussion of the question

Question 40 🔥

Consider the features and capabilities of Kernel-based Virtual Machine (kvm).Which two statements are correct?

Which database solution meets these requirements?

A. kvm is considered both a type-1 and type-2 hypervisor because it turns the Linux kernel into a bare-metal hypervisor but the OS running on the virtualization host is a full OS.

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B. kvm is an open source hypervisor, which provides full virtualization with hardware-assisted virtualization. It does not support paravirtualized devices.

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C. There are two kvm modules: a kvm module that provides the core virtualization infrastructure and a kvm_hw module that ensbles x86 hardware virtualization extensions (Intel VT or AMD- V).

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D. The kvm hypervisor in Oracle Linux is managed with libvirt API and tools built for libvirt, such as virt-manager and virsh.

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E. kvm provides a software package called Linux Integration Services (LIS) that provides integration between the OS running in the kvm virtual machine and the physical host.

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Discussion of the question

Question 41 🔥

Which three statements are true about Btrfs copy --reflink?

Which database solution meets these requirements?

A. It works only on the same btrfs file system.

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B. It works only on the same subvolumes.

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C. It creates a new link pointing to an existing inode.

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D. It creates a new inode that shares the same disk blocks as the original.

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E. It creates a clone file and disk blocks are duplicated.

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Discussion of the question

Question 42 🔥

Examine this extract from /etc/httpd/conf/httpd.conf for virtual hosts:<VirtualHost *:80>ServerAdmin[email protected]DocumentRoot /www/docs/site1.example.comServerName site1.example.com -</VirtualHost><VirtualHost *:80>ServerAdmin[email protected]DocumentRoot /www/docs/site2.example.comServerName site2.example.com -</VirtualHost>Which three statements are true about the configuration extract?

Which database solution meets these requirements?

A. To connect to the website, site1.example.com must resolve to a different IP address than site2.example.com.

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B. site1.example.com and site2.example.com can share the same IP address.

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C. The web server attempts a DHCP discover to assign one IP address per virtual host.

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D. It is possible but not mandatory to have unique IP addresses for each virtual host.

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E. The site1.example.com virtual host shares and error logs with site2.example.com.

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Discussion of the question

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Exam contains 94 questions

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