Online Access Free 305-300 Practice Test

Which of the following statements are true about container-based virtualization? (Choose two.)

• A.Different containers may use different distributions of the same operating system.
• B.All containers run within the operating system kernel of the host system.
• C.Each container runs its own operating system kernel.
• D.Linux does not support container-based virtualization because of missing kernel APIs.
• E.Container-based virtualization relies on hardware support from the host system's CPU.

Which of the following statements is true regarding the following output ofxl list:

• A.Both Debian and Ubuntu require xl commands to start running.
• B.Ubuntu is idle or waiting for I/O.
• C.CentOS is the domain which has consumed the most CPU time.
• D.The domain with ID 2 uses Para virtualization.
• E.It is necessary to use the xl command to change Ubuntu's state to running.

Which command within virsh lists the virtual machines that are running on the current host?

• A.show
• B.list-vm
• C.list
• D.I view
• E.list-all

What is oVirt?

• A.A Linux-based hypervisor similar to KVM and Xen
• B.An extension to the Linux Kernel used to provide container virtualization similar to LXC and OpenVZ
• C.A library that provides access to several different virtualization technologies in a common manner
• D.A comprehensive management infrastructure for Linux-based virtualization
• E.An approach used to eliminate the need for virtualization called Zero-Virt

What types of cloud-init data sources can be used to configure cloud instances? (Select all that apply)

• A.Metadata service
• B.QR codes
• C.Cloud-based configuration management tools
• D.User data scripts