304-200 試験問題を無料オンラインアクセス

Which of the following statements is true regarding networking with libvirt?

• A.Libvirt networks appear, by default, as standard Linux bridges in the host system.
• B.Libvirt's network functionality is limited to connecting virtual machines to a physical network interface of the host system.
• C.Libvirt supports exactly one virtual network and connects all virtual machines to it.
• D.Libvirt requires a dedicated network interface that may not be used by the host system.
• E.Libvirt assigns the same MAC address to all virtual machines and isolates their network interfaces at the link layer.

Which of the following statements is true regarding VirtualBox?

• A.VirtualBox uses container-based virtualization and can only run virtual machines using the operating system of the host system.
• B.VirtualBox contains a hypervisor that runs independently from any other operating system on a bare metal host.
• C.VirtualBox provides special device drivers for several operating systems to enhance the virtual machine's performance.
• D.VirtualBox is part of the vanilla Linux kernel and does not require any additional software installation on recent Linux distributions.
• E.VirtualBox can only be run from a graphical desktop environment and not from the text console.

Which of the following tools is used to interact with XenStore?

• A.xenstore-ls
• B.xendo
• C.xs
• D.xl store
• E.xstore

Which of the following device classes are commonly used STONITH devices? (Choose THREE correct answers.)

• A.Uninterruptable Power Supplies, UPS
• B.Blade Control Devices
• C.Local node storage
• D.CPU frequency management tools
• E.Remote Management Services like iLO or DRAC

When using HAProxy to load balance requests over a set of web servers, what directive is needed in the HAProxy configuration in order to be able to log, on the backend web servers, the IP address of the client making a request?

• A.option reverseproxy
• B.option clientlog
• C.option forwardfor
• D.option exposeclient