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Q25. Which of the following data should be copied to the virtual machine when migrating a physical machine to a virtual machine?
A. The block device buffers
B. The CPU flags
C. The file systems or their content
D. The CPU register's content
E. The memory
Answer: C
Q26. CORRECT TEXT
What is the name of the global configuration file for the xl tool stack? (Specify the file name only without any path.)
Answer:
/etc/xen/xl.conf, xl.conf
Q27. CORRECT TEXT
Which virsh subcommand is used to change the CD-ROM image file attached to a virtual machine? (Specify ONLY the subcommand without any parameters.)
Answer:
change-media, virsh change-media, qemu-monitor-command, virsh qemu- monitor-command
Q28. Which of the following commands displays only the resources of the cluster information base of a pacemaker cluster?
A. cibquery -o resources
B. cibadmin -R
C. cibadmin -Q -o resources
D. cibquery -L resources
E. cib_admin -L resources
Answer: C
Q29. CORRECT TEXT 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?
Answer:
exec, exec2
Q30. Which of the following statements is true regarding a failover cluster?
A. The core component of every failover cluster is a load balancer.
B. Every service may not be run more than once in a cluster.
C. Failover clusters provide scalability of a service beyond the capacities of one cluster node.
D. Failover clusters always require storage that is shared by all nodes.
E. In normal operation, services may be spread over all nodes.
Answer: E
Q31. While setting up a load-balanced HTTP service, Linux Virtual Server was configured with the commands: ipvsadm -A -t 198.51.100.2:80 -s rr ipvsadm -a -t 198.51.100.2:80 -r 192.168.10.1:80 -m ipvsadm -a -t 198.51.100.2:80 -r
192.168.10.2:80
-m and all backend serversare using the LVS host as the default router.Which additional command has to be issued on the LVS host in order to correctly handle incoming HTTP traffic?
A. echo "1" > /proc/sys/net/ipv4/ip_forward
B. iptables -t nat -Z
C. ipvsadmin -L -n
D. ipmasq -A 192.168.10.1 -A 192.168.10.2 -p tcp --dport www -j DEMASQ
E. netstat -r
Answer: A
Q32. How does the command to add a new resource to a Pacemaker cluster using crm begin?
A. crm manage cluster
B. crm configure resource
C. crm service add
D. crm configure primitive
E. crm resource new
Answer: D