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 minutes later comes back up again. This pattern is repeated many times in the log.  If this system was installed without regard to best practices, what is the most likely problem with the serial network?()  A、 The serial port is malfunctioning and needs to be repaired.B、 The baud rate is incorrectly specified in the AIX devices configuration.C、 The serial port is not a port approved to support HACMP heartbeat traffic.D、 The baud rate is incorrectly specified in the HACMP interface configuration.

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 minutes later comes back up again. This pattern is repeated many times in the log.  If this system was installed without regard to best practices, what is the most likely problem with the serial network?()  

  • A、 The serial port is malfunctioning and needs to be repaired.
  • B、 The baud rate is incorrectly specified in the AIX devices configuration.
  • C、 The serial port is not a port approved to support HACMP heartbeat traffic.
  • D、 The baud rate is incorrectly specified in the HACMP interface configuration.

相关考题:

A two-node cluster is attached via SAN to shared disk. The customer has requested that one of  the nodes be moved to another room 300 feet away. However, this distance exceeds the length specified by the RS232 specifications.  What solution would resolve the RS232 specification issue with the fewest additional components?()A、 Target mode fiber channel can be used with a SAN solution.B、 The heartbeat could be established by using a disk heartbeat.C、 An RS232 line driver can be used to extend the existing serial connection.D、 The NIM for the serial connection can be altered to compensate for the additional delay caused by the increased distance.

A customer has a requirement to build a 4 node cluster. Disk heartbeating will be used as the non-IP network.What is the maximum number of disk heartbeat point-to-point links one would need to implement in order toachieve the highest level of availability?()A、4B、6C、8D、12

Company.com has a cluster with nodes that support "hot swap" adapters. During an upgrade of  The network infrastructure,an additional network adapter has been added to the nodes and configured in AIX.  What is the next step required to add this adapter to HACMP?()  A、 Stop the node.B、 Stop the cluster.C、 Run autodiscovery.D、 Configure the IP adapter.

An administrator has added an additional network adapter to each cluster node. The adapters  have been configured and tested, and the /etc/hosts file has been updated. However,the adapters do not appear in the pick list when the administrator tries to define the adapters to HACMP.  What would be required to correct this problem?()  A、 Rerun autodiscovery.B、 Synchronize the cluster.C、 Restart cluster services.D、 Delete and recreate the adapters.

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.

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-SPOCD、Restart cluster services on both nodes

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 incorrectlyD、Spanning tree protocol was implemented.

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.

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.

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 configuredB、Only disk heartbeat networks have been usedC、Cluster nodes are attached to two IP networksD、Resource Group dependencies have been configured

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.

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.outB、 /tmp/clstrmgr.debugC、 /usr/es/adm/cluster.logD、 /var/adm/hacmp/hacmp.out

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 applicationB、 Stop HACMP with the forced option and perform migration of the disks on one node,then restart HACMPC、 Stop both nodes and perform the migration all at once using standard AIX commands in parallel, then restart the clusterD、 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

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.

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 aliasesB、Implement persistent service IP addressesC、Implement IPAT aliasing with hardware address takeover (HWAT)D、Implement IPAT replacement with hardware address takeover (HWAT)

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.

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.

单选题Company.com has a cluster with nodes that support "hot swap" adapters. During an upgrade of  The network infrastructure,an additional network adapter has been added to the nodes and configured in AIX.  What is the next step required to add this adapter to HACMP?()A Stop the node.B Stop the cluster.C Run autodiscovery.D Configure the IP adapter.

单选题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 minutes later comes back up again. This pattern is repeated many times in the log.  If this system was installed without regard to best practices, what is the most likely problem with the serial network?()A The serial port is malfunctioning and needs to be repaired.B The baud rate is incorrectly specified in the AIX devices configuration.C The serial port is not a port approved to support HACMP heartbeat traffic.D The baud rate is incorrectly specified in the HACMP interface configuration.

单选题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.outB /tmp/clstrmgr.debugC /usr/es/adm/cluster.logD /var/adm/hacmp/hacmp.out

单选题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.

单选题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.

单选题An administrator has added an additional network adapter to each cluster node. The adapters  have been configured and tested, and the /etc/hosts file has been updated. However,the adapters do not appear in the pick list when the administrator tries to define the adapters to HACMP.  What would be required to correct this problem?()A Rerun autodiscovery.B Synchronize the cluster.C Restart cluster services.D Delete and recreate the adapters.

单选题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.

单选题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?()AThe wrong cable type has been used.B. IDS has shut down the computer's switch port.CThe port on the switch is configured incorrectlyDSpanning tree protocol was implemented.

单选题A two-node cluster is attached via SAN to shared disk. The customer has requested that one of  the nodes be moved to another room 300 feet away. However, this distance exceeds the length specified by the RS232 specifications.  What solution would resolve the RS232 specification issue with the fewest additional components?()A Target mode fiber channel can be used with a SAN solution.B The heartbeat could be established by using a disk heartbeat.C An RS232 line driver can be used to extend the existing serial connection.D The NIM for the serial connection can be altered to compensate for the additional delay caused by the increased distance.

单选题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.