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Q17. CORRECT TEXT Which command is used to perform all central management and configuration operations regarding OpenVZ containers? (Specify ONLY the command without any path or parameters.)
Answer:
vzctl, virsh
Q18. 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.)
Answer:
-c, c, clustered, --clustered
Q19. Which of the following statements are true regarding hardware based virtualization?
(Choose TWO correct answers.)
A. Hardware based virtualization requires special support in the host system's hardware which is present in all recent x86-based computers.
B. Hardware based virtualization implements a whole machine in software and therefore can run virtual machines of a given hardware platform on an arbitrary host system.
C. Hardware based virtualization relies on the host system's processor to call the hypervisor when critical instructions are executed by a virtual machine.
D. Hardware based virtualization is not available on x86-based CPU architectures and requires special virtualization host hardware.
Answer: A, C
Q20. Which of the following technologies are partsof the Red Hat Enterprise Linux High Availability Add-On? (Choose THREE correct answers.)
A. DRBD
B. LVS
C. cLVM
D. Pacemaker
E. OCFS2
Answer: B, C, D
Q21. Which of the following KVM parameters is identical to the KVM parameter -hdb file.img?
A. -drive bus=ide1,type=slave,image=file.img
B. -drive image=file.img,if=ide,device=hdb
C. -drive bus=hd,busid=b,src=file.img
D. -drive file=file.img,index=1,media=disk,if=ide
E. -drive type=loop,src=file.img,dst=disk:hdb
Answer: D
Q22. Which of the following commands can be used to change properties such as the number of node slots or the label of an existing OCFS2 filesystem?
A. ocfs2.setprops
B. ocfs2tool
C. crm_edit
D. tunefs.ocfs2
E. o2cbtool
Answer: D
Q23. When preparing a public machine image for the provisioning of new cloud computing instances, which of the following steps should be done? (Choose TWO correct answers.)
A. Remove all default users and groups, including root and nobody.
B. Remove all configuration files from /etc/ that were not manually modified.
C. Remove all confidential data from the image.
D. Remove all remote login services (i.e. SSH) from the image.
E. Remove all private SSH keys from the image.
Answer: C, E
Q24. When migrating a physical machine to a full virtualized machine, which of the following properties should be expected to change from the perspective of the guest operating system?
(Choose TWO correct answers.)
A. The user accounts within the guest operating system.
B. The properties of the CPU and other hardware devices.
C. The MAC address of the network interfaces.
D. The version of the guest operating system.
E. The software and applications installed on the guest system.
Answer: B, C