Lpi LPIC-3 304-150 Questions & Answers

• Question 41:

  With GFS, which of the following are valid arguments for the lockproto option when setting up DLM? (Select THREE correct answers)

  A. lock_dlm

  B. lock_gulm

  C. lock_nolock

  D. lock_exclusive

  E. lock_softlock

  Correct Answer: ABC

• Question 42:

  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.

  Correct Answer: CDE

• Question 43:

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

  A. lb_mode rr

  B. lb_algo rr

  C. loadbalancer_mode=rr

  D. algorithm=round robin

  E. lb_algorithm=rr

  Correct Answer: B

• Question 44:

  You have created a configuration file named /etc/xen/debian.cfg for a virtual machine. The virtual machine starts correctly on the command line, However, the virtual machine is not starting automatically when the server is powered on or

  rebooted.

  What can be done to start the virtual machine automatically?

  A. It is necessary to add xendomains_auto = yes to the virtual machine configuration file.

  B. It is necessary to configure the xend daemon to start automatically when Domain0 starts.

  C. It is necessary to run the command xm autostart debian.cfg.

  D. It is necessary to add a symbolic link to the configuration file in /etc/xen/auto directory.

  E. It is not possible to use Xen and its tools to start virtual machines automatically.

  Correct Answer: D

• Question 45:

  What is LinuxPMI?

  A. A Linux process migration technology

  B. A Linux parallel processing technology

  C. A Linux processor management interface

  D. A Linux process management interface

  Correct Answer: A

• Question 46:

  Which command should be used to convert a GFS filesystem to GFS2?

  A. gfs_update

  B. gfs2_convert

  C. gfs2_migrate

  D. ccs_migrate

  Correct Answer: B

• Question 47:

  When using Xen, each VM will have a configuration file matching the name of the VM. Where are these configuration files stored?

  A. Each configuration file is stored with the VM disk files.

  B. In the directory /etc/xen

  C. On a LDAP, NIS or DHCP server

  D. In the directory /var/lib/xen

  Correct Answer: B

• Question 48:

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

  A. vmx

  B. hvm

  C. svm

  D. vme

  Correct Answer: C

• Question 49:

  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

  Correct Answer: B

• Question 50:

  Which of the the following cluster infrastructure services are provided by heartbeat (versions 3 and post 2.1)? (Specify TWO correct answers)

  A. membership

  B. communication

  C. advanced resource management

  D. STONITH

  E. service migration

  Correct Answer: AB