Company.com with a newly installed cluster has been checking the logfiles to determine if the  cluster has had any recent activity. The non-IP RS232 heartbeat connection seems to be having a difficulty. The serial network goes down，and then a couple of m

第1题：

During normal cluster processing in a five-node cluster，one of the nodes unexpectedly crashes. A review of the system dump indicates that a DMS timeout has occurred. The cluster is configured to use disk heartbeats as a Point-to-Point network.  What should be done to address the problem with this configuration？（）  

• A、 More disk should be added to the disk heartbeat network，allowing more paths for heartbeats.
• B、 An RS232 network is required to supply a more robust non-IP network when disk heartbeating is implemented.
• C、 The network tunable parameters should be changed to allow more missed heartbeats since the disks may be heavily used.
• D、 An error notification method is required to determine the action to take in response to a failure of the disk heartbeat.

第2题：

A user on a network cannot access any network resources. The link light on the computer showsthat a connection is present. Which of the following is the MOST likely cause of the problem?（）

• A、The wrong cable type has been used.
• B、. IDS has shut down the computer's switch port.
• C、The port on the switch is configured incorrectly
• D、Spanning tree protocol was implemented.

第3题：

A three-node cluster experienced a node failure. The resource groups were acquired as cexpected. The node has been repaired，and HACMP has been restarted.  How does the operator determine that the node has successfully re-integrated into the cluster？（）  

• A、 Use the clstat command.
• B、 Use the cIRGinfor command.
• C、 Tail the /etc/hacmp.out file and wait for "node_up_complete" to finish successfully.
• D、 Tail the /usr/es/adm/cluster.log file and wait for "node_up_complete" to finish successfully.

第4题：

A two-node cluster has both a single TCP/IP heartbeat and a single non-IP serial heartbeat. TheService Level Agreement regarding the speed of cluster fallover has been updated，and Fast Disk Takeover will be implemented to meet the new Service Level Agreement.  Which of the following should be implemented to increase the reliability of Fast Disk Takeover？（）  

• A、 Disk should be mirrored across separate storage enclosures.
• B、 Disk heartbeats should be added over multiple disk adapters.
• C、 Disk major and minor numbers should be set as unique across nodes.
• D、 Disk adapter queue_depth should be increased from the default values.

第5题：

Company.com is migrating from a third party managed disk subsystem to an IBM TotalStorage Enterprise Storage Server. Connection of the new storage server is complete， and it has been tested on all of the nodes in the three node HACMP cluster.  How does the customer migrate to the new storage server with minimum down time？（）

• A、 Shut down one node at a time and let the other node serve the application
• B、 Stop HACMP with the forced option and perform migration of the disks on one node，then restart HACMP
• C、 Stop both nodes and perform the migration all at once using standard AIX commands in parallel， then restart the cluster
• D、 Use C-SPOC to add the new disks to the cluster and migrate the information off the existing disks， then remove the old disks with C-SPOC

第6题：

A network for a two-node cluster has been planned. The network administrator has explained that the networkdoes not support gratuitous ARP. Which of the following steps will ensure that clients are able to connect tothe cluster after a failover takes place？（）

• A、Implement heartbeating over IP aliases
• B、Implement persistent service IP addresses
• C、Implement IPAT aliasing with hardware address takeover （HWAT）
• D、Implement IPAT replacement with hardware address takeover （HWAT）

第7题：

Company.com has an application that requires a serial connection for Electronic Data  Interchange. What must be done to integrator the serial connection into an HACMP cluster？（）

• A、 Use an RS3232/422 serial Y cable.
• B、 Alter the device settings to 9600 8/n/1 xon/xoff.
• C、 Use a network based terminal server for the serial connection.
• D、 Nothing because HACMP does not support native serial connection fallovers.

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第13题：

The en0 interface on Node1 of a two-node cluster has failed. This adapter is configured with a boot addressand under stable operations also has the service address of the cluster’s single resource group. The resourcegroup is configured with the fallback option. The HA network was configured for IPAT via aliasing and now theservice address is on the en1 interface in the cluster. The en0 interface has already been physically replacedand configured with the boot address. Which of the following will return the cluster to its original state andminimize cluster downtime？（）

• A、Run cluster synchronization.
• B、Restart cluster services on Node1.
• C、Perform a swap_adapter using C-SPOC
• D、Restart cluster services on both nodes

第14题：

A cluster administrator is trying to configure tmssa for the non-IP network. Having installed the devices.ssa.tm.rte fileset， what is the next step that must be performed to create the target mode devices？（）  

• A、 Reboot each cluster node.
• B、 Change the ssa node number to a non-zero value.
• C、 Change the SSAR device state from defined to available.
• D、 Run the cfgmgr process on each node to create the target mode devices.

第15题：

Which of the following is required to ensure the completion of all tests within the automated procedure of thecluster test tool？（）

• A、Application monitoring has been configured
• B、Only disk heartbeat networks have been used
• C、Cluster nodes are attached to two IP networks
• D、Resource Group dependencies have been configured

第16题：

A cluster node has been started and has not acquired the resources in the resource groups.  Which log file will show the details of any event script processing that has occurred？（）  

• A、 /tmp/hacmp.out
• B、 /tmp/clstrmgr.debug
• C、 /usr/es/adm/cluster.log
• D、 /var/adm/hacmp/hacmp.out

第17题：

A HACMP/XD://HAGeo cluster has been installed with four nodes， two nodes at each site. The cluster is protected from site isolation by the DBFS facility in HACMP/XD://HAGeo.  In the event of a site failure，what happens？（）  

• A、 The dominate site will always assume the non-dominate site has failed and continue processing.
• B、 The dominate site initiates a call to the non-dominate site to verify if any of the nodes are functional.
• C、 The non-dominate site initiates a call to the dominate site to verify if any of the nodes are functional.
• D、 The nodes are completely independent and can call each other if they detect a total failure of the ZGeo_Primary network.

第18题：

Due to recent changes in infrastructure， a four-node cluster has been split into two locations， but  is still listed as a single site in HACMP. The location split has proceeded smoothly， the only exception being the serial heartbeats. There are constant errors causing the serial network to go up and down.  What is the best solution to resolve this issue？（）  

• A、 Install the dialback failsafe optional filesets.
• B、 Change the speed parameter in "smitty tty" to be 38400，8，N，1.
• C、 Install additional rsct filesets required for non null modem connections.
• D、 Change the parameters in the Network Module to stop RSCT from changing the speed of the line.

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