304-150 Online Practice Questions and Answers

What is the missing command name in the following example which can be used with Red Hat Cluster Suite to send cluster log messages to syslog using the local7 facility? (Enter the command name only with NO path information or options)

________ s 7 "cluster: my cluster message"

Your Response:

When setting up a KVM virtualization host, which one of the following components is NOT required?

A. libvirt

B. kvm kernel modules

C. bridgeutils

D. virsh

E. qemu

In Red Hat Cluster Suite, why does fencing cut off I/O to shared storage?

A. It is used to force nodes to go offline.

B. It is used to ensure data integrity.

C. It is used to retain the DLM locks.

D. It is used to resync shared storage.

With KVM, when using VNC as graphical output, how can the absolute positioning of the mouse pointer be assured?

A. It cannot be assured. There are always two mouse pointers in VNC; the real pointer and the virtual pointer.

B. Using the mouse absolute option

C. No additional option is required; this works out of the box.

D. Using the usb usbdevice tablet options

E. Using the vnc altgrab options

Which CPU flag must be enabled for full virtualization in Xen with AMD processors?

A. vmx

B. hvm

C. svm

D. vme

Which of the following statements are true of full virtualization? (Select THREE correct answers)

A. Full virtualization has superior I/O performance through the emulated device drivers.

B. Full virtualization is faster than paravirtualization.

C. Full virtualization requires time and system resources for emulation.

D. Full virtualization requires no modification to the Guest OS kernel.

E. Full virtualization works through CPU emulation.

Which of the following tools could be used to create a OCFS2 cluster filesystem? (Select TWO correct answers)

A. ocfs2_init

B. o2cb_svc

C. o2cb_ctl

D. ocfs2console

E. mkocfs2

What is the correct configuration stanza for a Xen virtual machine?

A. kernel "/boot/vmlinuz2.6.18.8xwnU"; ramdisk "/boot/initrd.img2.6.18.8xwnU"; memory "256"; name"Centos"; disk['phy:/dev/sdb1,xvda1,w']; root"/dev/xvda1";

B. kernel "/boot/vmlinuz2.6.18.8xwnU" ramdisk "/boot/initrd.img2.6.18.8xwnU" memory "256" name"Centos" disk['phy:/dev/sdb1,xvda1,w'] root"/dev/xvda1"

C. kernel = "/boot/vmlinuz2.6.18.8xwnU" ramdisk = "/boot/initrd.img2.6.18.8xwnU" memory = "256" name= "Centos" disk= ['phy:/dev/sdb1,xvda1,w'] root= "/dev/xvda1"

D. kernel ['/boot/vmlinuz2.6.18.8xwnU'] ramdisk ['/boot/initrd.img2.6.18.8xwnU'] memory ['256'] name['Centos'] disk['phy:/dev/sdb1,xvda1,w'] root['/dev/xvda1']

Which command will indicate whether a DRBD resource is a primary or secondary resource?

A. drbdadm verify resource

B. drbdadm list resource

C. drbdadm cstate resource

D. drbdadm role resource

Which command could be used to generate an ID that uniquely identifies the virtual machine in Xen?

A. uuid

B. uuidgen

C. xm uuid domainid

D. openssl uuid