Lpi LPIC Level 3 304-200 Questions & Answers

• Question 41:

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

  A. cibquery -o resources

  B. cibadmin -R

  C. cibadmin -Q -o resources

  D. cibquery -L resources

  E. cib_admin -L resources

  Correct Answer: C

• Question 42:

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

  A. Heartbeat

  B. OpenAIS

  C. DRBD

  D. SCMP

  E. Slurm

  Correct Answer: AB

• Question 43:

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

  A. Each nanny process checks the state of one configured service on one real server, and tells LVS if the service on that real server is malfunctioning.

  B. The nanny process powers off a nonfunctional backend server.

  C. The nanny process restarts the daemon of a failed service on a real server node.

  D. The nanny process changes the IP routing table in the Linux kernel according to the LVS configuration.

  Correct Answer: A

• Question 44:

  Which command is used to edit and display the running Linux Virtual Server (LVS) configuration? (Specify ONLY the command without any path or parameters.)

  A. ipvsadm

  Correct Answer: A

• Question 45:

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

  A. The addresses of backend servers that were overloaded in the past and should be scheduled with a reduced priority.

  B. The hostnames of the servers that, despite the remaining configuration, should always be scheduled by the Serial Operation Round Robin algorithm.

  C. The addresses of backend servers that should not get assigned any new connections.

  D. The default virtual host that is assigned to incoming HTTP requests missing a Host: header before forwarding them to a backend server.

  E. The address of a server to which requests are redirected in case no real server is available.

  Correct Answer: E

• Question 46:

  Which one of the following options represents a valid declaration of a backend server with HAProxy?

  A. host server_x 10.1.0.1:80 cookie server_x

  B. backend server_x 10.1.0.1:80

  C. server server_x 10.1.0.1:80 check

  D. pool server_x 10.1.0.1:80

  Correct Answer: C

• Question 47:

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

  A. Balancing network connections across several backend servers.

  B. Automatically taking over the services of failed nodes.

  C. Restarting failed services on the backend servers.

  D. Checking the integrity of services on backend servers.

  E. Starting and stopping backend servers as needed.

  Correct Answer: A

• Question 48:

  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 49:

  In the command: crm configure ____ http-after-ipv4 Mandatory: VHost1IPv4 HTTPD

  Which missing word is required in order to ensure that the service HTTPD is always started after the service VHost1IP?

  A. order -or- ORDER

  Correct Answer: A

• Question 50:

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

  A. It offers support for load balanced clusters only and cannot manage failover clusters.

  B. It does not include any storage components.

  C. It can be managed using the regular Pacemaker commands like pcs.

  D. It uses its own messaging subsystem, RHMQ, for cluster communication.

  E. It is built on top of several high availability components that are also available in other Linux distributions.

  Correct Answer: CE