Lpi 304-200 問題集

質問 1：
CORRECT TEXT
Which command in the KVM monitor restores a snapshot? (Specify ONLY the command without any path or parameters.)
正解：
loadvm

質問 2：
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 anywhere in the computing instance's file system.
B. By saving the data to object stores provided by a separate service in the cloud.
C. By saving the data to the memory of the computing instance using tmpfs.
D. By saving the data on persistent block devices that must be explicitly connected to the computing instance.
E. By saving the data to /cloud/persistent/ which is provided in all common IaaS clouds.
正解：B,D

質問 3：
Which of the following statements are true regarding VirtualBox?
A. It requires dedicated shared storage as it cannot store virtual machine disk images locally on block devices of the virtualization host.
B. It supports only Linux as a guest operating system.
C. It provides both a graphical user interface and command line tools to administer virtual machines.
D. It is a special kernel booted before the first regular operating system.
E. It is available for Linux only.
正解：C

質問 4：
CORRECT TEXT
In the command:
pcs constraint order VHost1IPv4 ____ HTTPD which missing word is required in order to ensure that the service HTTPD is always started after the service VHost1IPv4?
正解：
then, THEN

質問 5：
In case one service in a Pacemaker cluster depends on another service running on the same node, which score should be assigned to the constraint describing that dependency?
A. 0
B. FORCE
C. 1
D. INFINITY
E. -1
正解：D

質問 6：
In order to use the option dom0_mem to limit the amount of memory assigned to the Xen Domain0, where must this option be specified?
A. In the configuration file /etc/xen/Domain-0.cfg, when Xen starts.
B. In its .config file, when the Domain-0 kernel is built.
C. In any of Xen's global configuration files.
D. In the bootloader configuration, when Xen is booted.
E. In its Makefile, when Xen is built.
正解：D