304-200 Exam Questions

Which actions should be taken in a load balanced cluster in order to protect the load balancer against outages?

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,...

Which of the following statements are true regarding the handling of a hardware error in a high availability cluster? (Choose THREE correct answers.)

What is the purpose of fencing in a high availability cluster?

Which of the following are valid load balancing algorithms for HAProxy? (Choose TWO correct answers.)

Which of the following statements describes fencing resources in a high availability cluster?

Which of the following statements are true regarding the determination of the capacity of a high availability cluster? (Choose TWO correct answers.)

How does the command to add a new resource to a Pacemaker cluster using crm begin?

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 192.168.1...

When running a Linux Virtual Server (LVS) cluster, what is the purpose of a nanny process?

How does high availability clustering relate to periodic storage backup? (Choose TWO correct answers.)

Which of the following commands displays only the resources of the cluster information base of a pacemaker cluster?

Which of the following situations can result in a split brain situation in a high availability cluster?

Which of the following sections are found in the Pacemaker configuration XML file?

Which of the following statements are true regarding the Red Hat Enterprise Linux High Availability Add-On? (Choose TWO correct answers.)

Which of the following statements are true regarding a load balancer? (Choose TWO correct answers.)

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...

Which of the following Messaging Layers are supported by Pacemaker? (Choose TWO correct answers.)

Which of the following configuration settings specify that keepalived is to use the round robin algorithm?

How can the state of the backing storage disks of a DRBD device be checked? (Choose TWO correct answers.)

Which one of the following is NOT a required component for running an OCFS2 filesystem resource in a Pacemaker cluster?

Which O2CB mode should be used for OCFS2 integration with heartbeat?

Which of the following statements are true regarding OCFS2? (Choose TWO correct answers.)

Which kernel module must be loaded to initiate a RAID-1 like copy of data on two separate storage devices for a clustered storage solution?

What is the name and path of the configuration file for the O2CB cluster that coordinates the nodes using OCFS2 filesystems?

Which of the following commands can be used to change properties such as the number of node slots or the label of an existing OCFS2 filesystem?

Which of the following statements is true regarding journals of a GFS2 filesystem?

What is the task of the Cluster Logical Volume Manager, CLVM?

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 answe...

Which of the following can be used as a low level device for DRBD? (Choose TWO correct answers.)

What is libvirt?

Which of the following products use container-based virtualization? (Choose THREE correct answers.)

What is the usual way to gain command line access to computing instances in an IaaS cloud?

Which of the following commands boots a KVM virtual machine using Debian GNU/Linux?

Which of the following are tools or services that manage a Linux Virtual Server (LVS) setup? (Choose TWO correct answers.)

Which of the following statements is true regarding the quorum in a two node Pacemaker cluster?

Which of the following technologies are partsof the Red Hat Enterprise Linux High Availability Add-On? (Choose THREE correct answers.)

In keepalived, what is configured by the configuration option sorry_server?

Using Linux Virtual Server (LVS) without any additional tools provides which of the following features?

Which of the following commands can be used to safely test and preview Pacemaker configuration changes? (Choose TWO correct answers.)

Which of the following describes a split brain situation in a high availability cluster?

Which of the following KVM monitor commands changes the image file in the first IDE CDROM drive of a virtual machine?

Which of the following statements are true regarding hardware based virtualization? (Choose TWO correct answers.)

Which statement is true regarding the Linux kernel module that must be loaded in order to use KVM?

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 automati...

What action does the virsh restore command perform?

Which of the following statements are true regarding IaaS computing instances? (Choose TWO correct answers.)

Which of the following statements are true regarding emulation? (Choose TWO correct answers.)

Which of the following data should be copied to the virtual machine when migrating a physical machine to a virtual machine?

Which of the following commands can be used to determine whether the local machine is capable of running full virtualized Xen guests? (Choose TWO correct answers.)