A. It is up to the virtual machine to use its assigned hardware resources and create, for example, an arbitrary amount of network sockets.
B. The hygervisor may provide fine-grained limits to internal elements of the guest operating system such as the number of processes.
C. The hypervisor provides each virtual machine with hardware of a defined capacity that limits the resources of the virtual machine.
D. All processes created within the virtual machines are transparently and equally scheduled in the host system for CPU and I/O usage.
E. Full virtualization cannot pose any limits to virtual machines and always assigns the host system's resources in a first-come-first-serve manner.
A. It requires the Docker engine and Docker CLI to be installed.
B. It is the initial process run at the start of any Docker container.
C. It uses rune to start containers on a container host.
D. It is a text file format defining the build process of containers.
E. It runs in each Docker container and provides DHCP client functionality
A. It must be loaded into the kernel of each virtual machine to provide Para virtualization which is required by QEMU.
B. It must be loaded into the kernel of the first virtual machine as it interacts with the QEMU bare metal hypervisor and is required to trigger the start of additional virtual machines
C. It must be loaded into the Kernel of the host system in order to use the visualization extensions of the host system's CPU
D. It must be loaded into the kernel of the host system only if the console of a virtual machine will be connected to a physical console of the host system
E. It must be loaded into the kernel of each virtual machine that will access files and directories from the host system's file system.
A. Packer installs a client within the image which has to be run periodically via cron in order to retrieve the latest template from the Packer server and apply it locally.
B. Packer downloads and extracts an image in order to make changes to the image's file system, repack the modified image and upload it again.
C. Packer has to be installed within the target image and is executed during the image's first boot in order to execute preparation tasks.
D. Packer creates an instance based on a source image, prepares the instance through a network connection and bundles the resulting instance as a new system image.
E. Packer periodically connects through the network to the Packer daemons of all running Packer images in order to re-apply the whole template to the running instance.
A. Control Groups
B. Kernel Namespaces
C. File System Permissions
D. Linux Capabilities
E. POSIXACLs
A. Libvirt's network functionality is limited to connecting virtual machines to a physical network interface of the host system.
B. Libvirt networks appear, by default, as standard Linux bridges in the host system.
C. Libvirt supports exactly one virtual network and connects all virtual machines to it.
D. Libvirt assiqns the same MAC address to all virtual machines and isolates their network interfaces at the link layer.
E. Libvirt requires a dedicated network interface that may not be used by the host system.
