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質問 1：
Which of the following commands are needed to establish a private network between two (or more) KVM virtual machines that is not visible to other KVM instances on the same KVM host? (Choose THREE correct answers.)
A. ifconfig
B. brctl
C. tunctl
D. ipconfig
E. ebtables
正解：A,B,C
質問 2：
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. Within the whole LVS cluster managed by keepalived, the virtual IP address never appears on any network interface.
C. Every server running keepalived has exactly one virtual IP address and cannot have any additional virtual IP addresses.
D. The virtual IP address is the address to which incoming connections are made in order to reach the load balancer.
E. keepalived uses VRRP to ensure the availability of the virtual IP address.
正解：D,E
質問 3：
When using DRBD in a Pacemaker cluster, which configuration objects must be managed in order to use the DRBD device as storage for other cluster services? (Choose TWO correct answers.)
A. A constraint to ensure the device is mounted before the dependent services are started.
B. A replication resource that synchronizes the DRBD device's data to all nodes that may take over the device after a failover.
C. A file system resource to mount the device.
D. A security resource in order to permit other cluster services to access the data on the DRBD device.
E. A health resource in order to check the integrity of the file system.
正解：A,C
質問 4：
Which of the following statements are true regarding emulation? (Choose TWO correct answers.)
A. Emulation is one of the most resource efficient virtualization techniques.
B. Emulation can only provide distinct hardware components but no complete virtual machines.
C. Emulation allows operating systems to be run on foreign architectures.
D. Emulation reimplements a whole computing system in software.
E. Emulation requires changes to the guest operating system.
正解：C,D
質問 5：
Which of the following components are parts of XAPI? (Choose TWO correct answers.)
A. The xapi daemon.
B. The XADB configuration management database.
C. The XAPI virtual file system available at /xen.
D. The xe command.
E. The xm command.
正解：A,D
質問 6：
Which of the following sections are found in the Pacemaker configuration XML file?
A. <pacemaker> and <corosync>
B. <configuration> and <status>
C. <nodes> and <services>
D. <ressources> and <services>
E. <cluster> and <state>
正解：B
Which of the following commands are needed to establish a private network between two (or more) KVM virtual machines that is not visible to other KVM instances on the same KVM host? (Choose THREE correct answers.)
A. ifconfig
B. brctl
C. tunctl
D. ipconfig
E. ebtables
正解：A,B,C
質問 2：
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. Within the whole LVS cluster managed by keepalived, the virtual IP address never appears on any network interface.
C. Every server running keepalived has exactly one virtual IP address and cannot have any additional virtual IP addresses.
D. The virtual IP address is the address to which incoming connections are made in order to reach the load balancer.
E. keepalived uses VRRP to ensure the availability of the virtual IP address.
正解：D,E
質問 3：
When using DRBD in a Pacemaker cluster, which configuration objects must be managed in order to use the DRBD device as storage for other cluster services? (Choose TWO correct answers.)
A. A constraint to ensure the device is mounted before the dependent services are started.
B. A replication resource that synchronizes the DRBD device's data to all nodes that may take over the device after a failover.
C. A file system resource to mount the device.
D. A security resource in order to permit other cluster services to access the data on the DRBD device.
E. A health resource in order to check the integrity of the file system.
正解：A,C
質問 4：
Which of the following statements are true regarding emulation? (Choose TWO correct answers.)
A. Emulation is one of the most resource efficient virtualization techniques.
B. Emulation can only provide distinct hardware components but no complete virtual machines.
C. Emulation allows operating systems to be run on foreign architectures.
D. Emulation reimplements a whole computing system in software.
E. Emulation requires changes to the guest operating system.
正解：C,D
質問 5：
Which of the following components are parts of XAPI? (Choose TWO correct answers.)
A. The xapi daemon.
B. The XADB configuration management database.
C. The XAPI virtual file system available at /xen.
D. The xe command.
E. The xm command.
正解：A,D
質問 6：
Which of the following sections are found in the Pacemaker configuration XML file?
A. <pacemaker> and <corosync>
B. <configuration> and <status>
C. <nodes> and <services>
D. <ressources> and <services>
E. <cluster> and <state>
正解：B
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