In a Pacemaker cluster, which one of the following commands shows the right syntax for fencing the node on port 3 using the APC rack PDU device which can be found at IP address 192.168.1.145?
In a Pacemaker cluster, which one of the following commands shows the right syntax for fencing the node on port 3 using the APC rack PDU device which can be found at IP address 192.168.1.145?A . apc_stonith -a 192.168.1.145 -l apc -n 3 -v -o shutdown -r nowB . fence_apc...
Which command is used to create a new physical volume in LVM?
Which command is used to create a new physical volume in LVM?A . pvcreateB . vgcreateC . lvcreateD . pvdisplayView AnswerAnswer: A
Which of the following configuration settings specify that keepalived is to use the round robin algorithm?
Which of the following configuration settings specify that keepalived is to use the round robin algorithm?A . lb_mode rrB . lb_algo rrC . loadbalancer_mode=rrD . algorithm=round robinE . lb_algorithm=rrView AnswerAnswer: B
What is the purpose of a Storage Area Network (SAN)?
What is the purpose of a Storage Area Network (SAN)?A . To provide network connectivity for serversB . To store and retrieve data from remote block storage devicesC . To connect multiple servers together in a clusterD . To manage file systems on distributed storageView AnswerAnswer: B
Which one of the following options represents a valid declaration of a backend server with HAProxy?
Which one of the following options represents a valid declaration of a backend server with HAProxy?A . host server_x 10.1.0.1:80 cookie server_xB . backend server_x 10.1.0.1:80C . server server_x 10.1.0.1:80 checkD . pool server_x 10.1.0.1:80View AnswerAnswer: C
When using HAProxy to load balance requests over a set of web servers, what directive is needed in the HAProxy configuration in order to be able to log, on the backend web servers, the IP address of the client making a request?
When using HAProxy to load balance requests over a set of web servers, what directive is needed in the HAProxy configuration in order to be able to log, on the backend web servers, the IP address of the client making a request?A . option reverseproxyB . option forwardforC . option...
Which utility is used to manage the low-level configuration and settings of DRBD devices?
Which utility is used to manage the low-level configuration and settings of DRBD devices?A . drbdadmB . drbdmonC . drbdsetupD . drbdmetaView AnswerAnswer: C
Which of the following statements are true regarding a load balancer? (Choose TWO correct answers.)
Which of the following statements are true regarding a load balancer? (Choose TWO correct answers.)A . Failover clusters are not operational without at least one dedicated load balancer.B . All response packages sent from a backend server to a client must pass through the load balancer.C . The load balancer...
Which of the following commands can be used to safely test and preview Pacemaker configuration changes? (Choose TWO correct answers.)
Which of the following commands can be used to safely test and preview Pacemaker configuration changes? (Choose TWO correct answers.)A . crm_testB . crm_simulateC . crm_dryrunD . crm_labE . crm_shadowView AnswerAnswer: BE
Which of the following is not a device classes are commonly used STONITH devices?
Which of the following is not a device classes are commonly used STONITH devices?A . CPU frequency management toolsB . Remote Management Services like iLO or DRACC . Blade Control DevicesD . Uninterruptable Power Supplies, UPSView AnswerAnswer: A