Which sub-command of xl changes the media inside a virtual CD-ROM drive of a Xen guest domain? (Specify ONLY the sub-command without any path or parameters.)
A. block-attach -or- xl cd-insert -or- cd-eject -or- xl cd-eject -or- cd-insert -or- xl block-attach -or- block-detach -or- xl block-detach
Which command in the KVM monitor ejects the first IDE CDROM drive? (Specify the KVM monitor command INCLUDING ALL REQUIRED PARAMETERS.)
A. eject ide1-cd0 -or- eject -f ide1-cd0
After the Xen guest configuration file debian.cfg has been created and successfully tested, which additional action must be performed in order to make this Xen guest start automatically every time the host system boots?
A. It is necessary to add xendomains_auto = yes to the virtual machine configuration file.
B. It is necessary to add an entry for debian.cfg to the file /etc/xen/guesttab.
C. It is necessary to run the command xl autostart debian.cfg.
D. It is necessary to add a symbolic link to the configuration file in the /etc/xen/auto/ directory.
E. It is not possible to use Xen and its tools to start virtual machines automatically.
In the command vzctl ____ 105 /usr/bin/apt-get install wget Which subcommand of vzctl is missing in order to install wget in the OpenVZ container 105?
A. exec -or- exec2
Which of the following statements are true regarding VirtualBox?
A. It supports only Linux as a guest operating system.
B. It is available for Linux only.
C. It provides both a graphical user interface and command line tools to administer virtual machines.
D. It requires dedicated shared storage as it cannot store virtual machine disk images locally on block devices of the virtualization host.
E. It is a special kernel booted before the first regular operating system.
Which file format is used by libvirt to store configuration data?
A. INI-style text files
B. Text files containing key/value pairs
C. Java-like .properties files
D. XML files
E. SQLite databases
Which of the following Messaging Layers are supported by Pacemaker? (Choose TWO correct answers.)
A. Heartbeat
B. OpenAIS
C. DRBD
D. SCMP
E. Slurm
Which of the following statements are true regarding the handling of a hardware error in a high availability cluster? (Choose THREE correct answers.)
A. High availability provides automatic recovery from software errors only and cannot mitigate hardware issues.
B. After the cluster deals with an error, no manual actions are required to bring the cluster back to normal operation.
C. Erroneous components are physically turned off as they are in an undefined state.
D. Services are restarted on or redirected to other cluster nodes.
E. The cluster management components monitor the health of all cluster components.
What is true for a virtual IP address in the context of keepalived? (Choose TWO correct answers.)
A. The distinct IP addresses of all backend servers are called virtual IP addresses.
B. Every server running keepalived has exactly one virtual IP address and cannot have any additional virtual IP addresses.
C. The virtual IP address is the address to which incoming connections are made in order to reach the load balancer.
D. keepalived uses VRRP to ensure the availability of the virtual IP address.
E. Within the whole LVS cluster managed by keepalived, the virtual IP address never appears on any network interface.
Where are paravirtualized device drivers installed?
A. In the Guest OS
B. In the Host OS
C. Compiled into the hypervisor
D. No special drivers are required for paravirtualization.
