Online Access Free 304-150 Exam Questions

What function does the distributed lock manager (DLM) in Red Hat Cluster Suite perform?

• A.It updates configuration settings among nodes.
• B.It fences a failed node.
• C.It synchronizes nodes access to shared resources.
• D.It establishes a quorum.

Which of the following are Pacemaker components? (Select TWO correct answers)

• A.keepalived
• B.ccmd
• C.crmd
• D.pengine
• E.heartbeat

Which of the following statements are true when comparing full virtualization and paravirtualization in Xen? (Select THREE correct answers)

• A.The number of virtual CPUs can be configured only in the full virtualization mode.
• B.Paravirtualization demands changes to operating systems designed to be installed directly on the hardware when using those operating systems as guests.
• C.The virtual network resources are available for both types of virtualization.
• D.Paravirtualization depends on special CPU features like IntelVT or AMDV.
• E.It is possible to use, without changes, operating systems designed to be installed directly on the hardware when using it as guest in full virtualization.

In Red Hat Cluster Suite, 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.fence_apc a 192.168.1.145 l apc p apc n 3 v o reboot
• B.apc_stonith a 192.168.1.145 l apc n 3 v o shutdown r now
• C.fence_apc a 192.168.1.145 l apc p apc n 3 v o shutdown r now
• D.apc_stonith a 192.168.1.145 l apc p apc n 3 v o reboot

When using HAProxy to load balance a set of web servers, what directive is needed in the HAProxy configuration to be able to log the IP of the client making the requests to the web servers?

• A.option reverseproxy
• B.option forwardfor
• C.option clientlog
• D.option exposeclient