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LPI Level 3 Exam 304, Senior Level Linux Certification, Virtualization amp; High Availability

Question No: 1

Which one of the following is NOT a required element in setting up GFS in a Red Hat Cluster environment?

  1. CLVM

  2. DLM

  3. CMAN

  4. GFS

  5. CCS

Answer: A

Question No: 2

What action does the virsh restore command perform?

  1. It reestablishes a VM#39;s connections to shared resources.

  2. It restarts a VM from a state file.

  3. It rescues a VM from being fenced.

  4. It reactivates a suspended VM.

Answer: B

Question No: 3

What is LinuxPMI?

  1. A Linux process migration technology

  2. A Linux parallel processing technology

  3. A Linux processor management interface

  4. A Linux process management interface

Answer: A

Question No: 4

Which option to the xm command will deactivate a live Xen virtual machine? (Select TWO correct answers)

  1. destroy

  2. remove

  3. shutdown

  4. stop

  5. halt

Answer: A,C

Question No: 5

With IPVS, if this sysctl variable is set to 0, the load balancer will silently drop packets when its destination server is not available. If this variable is enabled, the load balancer will expire the connection immediately when a packet arrives and its destination server is not available.

  1. expire_nodest_conn

  2. expire_curr_conn

  3. drop_entry

  4. drop_curr_conn

Answer: A

Question No: 6

Which of the following are common uses of virtualization? (Select TWO correct answers)

  1. Operating System virtualization

  2. User virtualization

  3. Identification virtualization

  4. Authentication virtualization

  5. Storage virtualization

Answer: A,E

Question No: 7

Which statements are true about container based virtualization? (Select TWO correct answers)

  1. As many VMs may run as system resources permit but only Linux supports container based virtualization.

  2. As many OS versions may be used as system resources permit.

  3. Only the same OS as the host system can be used.

  4. The VMs must use the same kernel as the host system.

  5. This allows running of Windows containers on a Linux host.

Answer: C,D

Question No: 8 CORRECT TEXT

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 quot;cluster: my cluster messagequot; Your Response

Answer: clulog

Question No: 9

In keepalived, what keyword starts the configuration section for one of the failover servers?

  1. lvs_server

  2. virtual_server

  3. vrrp_instance

  4. vrrp_sync_group

Answer: B

Question No: 10

The xm list command has returned: Name ID Mem VCPUs State Time(s) Domain00 384 1 r 498.7

Debian 2 305 1 p 783.5

Slack 664 1 b 313.6

Centos 7 512 2 r 455.1

Which one of the following statements is true about the above output?

  1. It is necessary to use the xm command to change Slack#39;s state to running.

  2. Centos is the domain which has consumed the most CPU time.

  3. The domain with ID 2 uses paravirtualization.

  4. Both Debian and Slack require xm commands to start running.

  5. Slack is idle or waiting for I/O.

Answer: E

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