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IBM A4040-332 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Installing and Configuring PowerHA | - Resource groups and cluster resources - PowerHA installation and configuration - Cluster verification and synchronization |
| High Availability Concepts and PowerHA Architecture | - PowerHA architecture and components - High availability concepts and terminology - Cluster design and topology |
| Problem Determination and Troubleshooting | - Log analysis and failure diagnosis - Cluster synchronization and recovery issues - Failover and recovery troubleshooting |
| AIX System Administration for High Availability | - AIX Logical Volume Manager (LVM) - Virtualization in highly available environments - TCP/IP networking |
| Cluster Administration and Operations | - Monitoring cluster status - Managing cluster services - Backup, restore, upgrade and migration operations |
IBM Assessment: High Availability for AIX - Technical Support and Administration -v2 Sample Questions:
Question #1
What step can be taken after installing PowerHA, and before creating a cluster, to ensure that unauthorized communication between systems using clcomd is prevented?
A. Remove the write permission on the rhosts file installed with PowerHA.
B. Put the IP addresses of planned cluster nodes in the rhosts file installed with PowerHA.
C. Disable the rhost daemon on all systems PowerHA is installed.
D. Remove the rhosts file where PowerHA is installed.
Question #2
An administrator is gathering requirements to plan a highly available environment between two buildings on the same campus. The environment must allow for a complete failure of all equipment in either building. Workloads must be able to be moved between the buildings during live processing, as well as during a failure.
Given these requirements, what must be included in the solution?
A. Redundant VIO Server configuration
B. Redundant storage servers with LVM mirroring between them
C. Redundant serial networks for heartbeating
D. Redundant network adapters for PowerHA networks
Question #3
When verifying a cluster, where will the clverify.log file be stored?
A. On each cluster node with an active resource group
B. On the cluster topology manager node
C. On all cluster nodes
D. On the cluster node where the operation was initiated
Question #4
After an administrator populates the hosts and rhosts files on the new and existing nodes, what are the high level steps to add a new node to an existing PowerHA 7 cluster?
A. Take a snapshot from the existing cluster.
Restore the snapshot on the new node.
Update the node name on the cluster configuration.
Synchronize the cluster.
Start Cluster Services on the new node
B. Add the existing cluster name on new node PowerHA SMIT. Configure the network topology on the new node PowerHA SMIT.
Synchronize the cluster.
Start Cluster Services on the new node.
C. Shutdown the existing cluster.
Use a snapshot to perform offline migration on the new node.
Update the node name and network configuration on the new node.
Synchronize the cluster.
Start Cluster Services on the new node
D. Add the node in to the cluster from one of existing cluster node.
Configure the network topology for the new node from an existing node.
Synchronize the cluster.
Start Cluster Services on the new node.
Question #5
After changing a PowerHA 6 cluster to reflect new IP addresses, an administrator attempts to synchronize a cluster and receives the following message:
cldare: A communication error prevents obtaining the VRMF from remote nodes. A DARE cannot be run until this is corrected. Please ensure clcomd is running.
How can the administrator correct this error?
A. Include the new IP addresses in /usr/es/sbin/cluster/etc/clhosts on all cluster nodes.
B. Include the new IP addresses in /usr/es/sbin/cluster/etc/rhosts on all cluster nodes.
C. Include the new IP addresses in /.rhosts on all cluster nodes.
D. Include the new IP addresses in /etc/hosts.equiv on all cluster nodes.
Solutions:
| Question #1 Correct Answer: B | Question #2 Correct Answer: B | Question #3 Correct Answer: D | Question #4 Correct Answer: D | Question #5 Correct Answer: B |


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