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Q33. Which one of the following is NOT a required component for running an OCFS2 filesystem resource in a Pacemaker cluster? 

A. A clone resource for the OCFS2 file system. 

B. A shared storage device accessible by all nodes using the OCFS2 filesystem. 

C. The distributed lock manager (DLM). 

D. The cluster logical volume manager (CLVM). 

E. The O2CB service. 

Answer: D 


Q34. Which of the following tasksare partsof a hypervisor's responsibility? (Choose TWO correct answers.) 

A. Create filesystems during the installation of new VM guest operating systems. 

B. Provide host-wide unique PIDs to the processes running inside the VMs in order to ease interprocess communication between virtual machines. 

C. Map the resources of virtual machines to the resources of the host system. 

D. Ensure isolation and eliminate any interference between virtual machines. 

E. Manage authentication to network services running inside a virtual machine. 

Answer: C, D 


Q35. What is XAPI? 

A. An extension of libvirt which adds live migration of virtual servers between arbitrary hypervisors. 

B. A ReSTful API which is used by xl to communicate with the Xen hypervisor. 

C. The communication  interface  between a paravirtualized  Linux  Kernel  and  the  Xen hypervisor. 

D. A high level tool chain which provides advanced management tools and interfaces for Xen. 

E. The internal messaging system within the Xen hypervisor. 

Answer: D 


Q36. How can data in a computing instance in an IaaS cloud be permanently saved and accessed even after the recreation of the computing instance? (Choose TWO correct answers.) 

A. By saving the data to the memory of the computing instance using tmpfs. 

B. By saving the data anywhere in the computing instance's file system. 

C. By saving the data to /cloud/persistent/ which is provided in all common IaaS clouds. 

D. By saving the data to object stores provided by a separate service in the cloud. 

E. By saving the data on persistent block devices that must be explicitly connected to the computing instance. 

Answer: D, E 


Q37. CORRECT TEXT Which sub-command of xl lists the block devices that are currently attached to a Xen guest domain? (Specify ONLY the sub-command without any path or parameters.) 

Answer: 

block-list, xl block-list 


Q38. Which of the following tasks is performed by Vagrant? 

A. It migrates virtual machines automatically between host systemsto distribute the load of all virtual machines equally to all hosts involved. 

B. It automates the installation of a virtual machine according to a configuration file describing the desired VM. 

C. It monitors the functionality of a virtual machine and restarts the VM in case of failure. 

D. It is a hypervisor optimized for the usage in embedded systems based on the ARM CPU architecture. 

E. It is a programming interface used to create reports from collected performance and resource usage data of a libvirt-based virtualization infrastructure. 

Answer: B 


Q39. Which CPU flag indicates the hardware virtualization capability on an AMD CPU? 

A. SVM 

B. VIRT 

C. VMX 

D. PVM 

E. HVM 

Answer: A 


Q40. Which of the following statements is true regarding XenStore? 

A. It is a web interface used to provide self-service domain provisioning to users with sufficient privileges. 

B. It saves the persistent configuration of all defined Xen domains and restores them when the host system is started. 

C. It manages disk file images on behalf of all virtual machines and provides them as virtual devices to guest domains. 

D. It stores run time information regarding Xen and its domains using hierarchical namespaces shared between domains. 

E. It is a software repository located within the host system used to provide software packages to the guest domains. 

Answer: D 

Section 2: Sec Two (73 to 108) 

Details:Topic 2, High Availability Cluster Management