Lpi LPIC-3 Exam 304: Virtualization & High Availability, version 2.0 - 304-200 Exam Questions

A. vbr B. vif C. eth D. net E. vnet

A. It stores run time information regarding Xen and its domains using hierarchical namespaces shared between domains. B. It saves the persistent configuration of all defined Xen domains and restores them when the host system is started. C. It is a software repository located within the host system used to provide software packages to the guest domains. D. It is a web interface used to provide self-service domain provisioning to users with sufficient privileges. E. It manages disk file images on behalf of all virtual machines and provides them as virtual devices to guest domains.

A. keepalived uses VRRP to ensure the availability of the virtual IP address. B. The virtual IP address is the address to which incoming connections are made in order to reach the load balancer. C. Within the whole LVS cluster managed by keepalived, the virtual IP address never appears on any network interface. D. Every server running keepalived has exactly one virtual IP address and cannot have any additional virtual IP addresses. E. The distinct IP addresses of all backend servers are called virtual IP addresses.

A. qemu-monitor -snapshots -hda vm1.img B. qemu -hda snapshot -l vm1.img -noboot -list snapshots C. qemu-snapshots -l vm1.img D. qemu-info snapshots vm1.img E. qemu-img snapshot -l vm1.img

A. shutdown B. remove C. destroy D. halt E. stop

A. By saving the data to the memory of the computing instance using tmpfs. B. By saving the data to object stores provided by a separate service in the cloud. C. By saving the data anywhere in the computing instance's file system. D. By saving the data to /cloud/persistent/ which is provided in all common IaaS clouds. E. By saving the data on persistent block devices that must be explicitly connected to the computing instance.

A. The number of nodes in a cluster has no effect on the availability as long as the sum of the available computing resources isequal. B. In regular cluster operation, not all resources are used. C. In case of the failure of any component, enough resources must remain to provide all cluster services. D. The overall capacity of all components in the cluster doesn't have to be larger than the resources needed in a regular setup. E. Failover clusters can be used to scale a single service beyond the capacity of a single cluster node.

A. Ensure a consistent assignment of all network connections from a client to the same cluster server. B. Prevent failed nodes from interfering with the remaining intact part of the cluster. C. Enforce storage quota and other resource limitations for each service provided by the cluster. D. Provide multi-tenancy cluster configuration for cloud computing. E. Define constraints on which services may run on the same cluster node.

A. Remove all private SSH keys from the image. B. Remove all remote login services (i.e. SSH) from the image. C. Remove all confidential data from the image. D. Remove all default users and groups, including root and nobody. E. Remove all configuration files from /etc/ that were not manually modified.