Online Access Free 304-200 Practice Test

Which of the following is true regarding the CPU of a KVM virtual machine? (Choose TWO correct answers.)

• A.KVM virtual machines support multiple virtual CPUs in order to run SMP systems.
• B.Each KVM virtual machine can only have one CPU with one core.
• C.The CPU architecture of a KVM virtual machine is independent of the host system's architecture.
• D.KVM uses the concept of virtual CPUs to map the virtual machines to physical CPUs.
• E.For each KVM virtual machine one dedicated physical CPU core must be reserved.

CORRECT TEXT
Which parameter of vgchange controls whether a volume group is shared within a shared storage cluster? (Specify ONLY the option name without any values or parameters.)

Which of the following statements are true regarding OCFS2? (Choose TWO correct answers.)

• A.OCFS2 can be used without any additional software as it contains its own cluster manager, O2CB.
• B.To avoid the need for shared storage, OCFS2 can replicate the content of its filesystems via the network.
• C.When using OCFS2 with additional cluster software, OCFS2 must be integrated into the overall cluster manager to ensure consistent cluster behaviour.
• D.OCFS2 is an integral part of Pacemaker and relies on Pacemaker services for functionality.
• E.In addition to filesystems, OCFS2 can handle other cluster services such as IP addresses and server daemons.

Which of the following statements describes the concept behind paravirtualization?

• A.Each operating system is trusted to use only those resources assigned to it, thereby eliminating the need of an additional virtualization layer.
• B.Instead of running full virtual machines, containers are used to separate distinct parts of one commonly shared operating system that appear as a virtual machine.
• C.Guest operating systems are modified to actively cooperate with the hypervisor in order to ease virtualization costs and gain better performance.
• D.To avoid the need for virtualization, special security measures are taken to allow different applications to coexist on one physical machine.

CORRECT TEXT
In the command
vzctl ____ 105 /usr/bin/apt-get install wget
which subcommand of vzctl is missing in order to install wget in the OpenVZ container 105?