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NEW QUESTION NO: 6
Which of the following commands are needed to establish a private network between two (or more) KVM virtual machines that is not visible to other KVM instances on the same KVM host? (Choose THREE correct answers.)
A. brctl
B. tunctl
C. ebtables
D. ipconfig
E. ifconfig
Answer: A,B,E

NEW QUESTION NO: 7
Which of the following situations can result in a split brain situation in a high availability cluster?
A. The load balancer of a load balanced cluster fails.
B. The communication between the cluster nodes is interrupted.
C. A cluster node has successfully been fenced.
D. More than one node is active in a load balanced cluster.
E. Cluster services are moved between cluster nodes.
Answer: B

NEW QUESTION NO: 8
Which of the following configuration settings specify that keepalived is to use the round robin algorithm?
A. lb_mode rr
B. loadbalancer_mode=rr
C. lb_algorithm=rr
D. lb_algo rr
E. algorithm=round robin
Answer: D

NEW QUESTION NO: 9
Which of the following describes a split brain situation in a high availability cluster?
A. Several cluster nodes run different instances of the same services.
B. In addition to shared storage, each node has local storage that is not shared with other nodes.
C. Incoming network connections are accidentally forwarded to more than one backend server.
D. Instead of shared storage, each node uses local storage managed by itself and replicates with other nodes.
E. Several cluster nodes access a shared resource without coordination.
Answer: E

NEW QUESTION NO: 10
Which of the following Messaging Layers are supported by Pacemaker? (Choose TWO correct answers.)
A. SCMP
B. Slurm
C. Heartbeat
D. OpenAIS
E. DRBD
Answer: C,D

NEW QUESTION NO: 11
In case one service in a Pacemaker cluster depends on another service running on the same node, which score should be assigned to the constraint describing that dependency?
A. FORCE
B. INFINITY
C. 0
D. -1
E. 1
Answer: B

NEW QUESTION NO: 12
Which of the following types of guest systems does Xen support? (Choose TWO correct answers.)
A. Foreign architecture guests (FA)
B. Paravirtualized guests (PV)
C. Emulated guests (EMU)
D. Container virtualized guests (CVM)
E. Fully virtualized guests (HVM)
Answer: B,E

NEW QUESTION NO: 13
Which of the following commands displays only the resources of the cluster information base of a pacemaker cluster?
A. cibadmin -R
B. cibquery -L resources
C. cibquery -o resources
D. cibadmin -Q -o resources
E. cib_admin -L resources
Answer: D

NEW QUESTION NO: 14
When using HAProxy to load balance requests over a set of web servers, what directive is needed in the HAProxy configuration in order to be able to log, on the backend web servers, the IP address of the client making a request?
A. option exposeclient
B. option reverseproxy
C. option forwardfor
D. option clientlog
Answer: C

NEW QUESTION NO: 15
SIMULATION
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?
Answer: 
order -or- ORDER

NEW QUESTION NO: 16
When using DRBD in a Pacemaker cluster, which configuration objects must be managed in order to use the DRBD device as storage for other cluster services? (Choose TWO correct answers.)
A. A health resource in order to check the integrity of the file system.
B. A constraint to ensure the device is mounted before the dependent services are started.
C. A file system resource to mount the device.
D. A security resource in order to permit other cluster services to access the data on the DRBD device.
E. A replication resource that synchronizes the DRBD device's data to all nodes that may take over the device after a failover.
Answer: B,C