单选题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.

单选题
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.


参考解析

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相关考题:

During a cluster functionality test, and administrator performs a graceful stop for Node ’B’ in a three-node cluster. What is the expected state of the cluster after Node ’B’successfully completes?()  A、 All cluster resources halt on Node ’B’,and one or both surviving nodes will gracefully acquire the resources.B、 All cluster processes halt on Node ’B’,the cluster resources remain active,and the remaining  nodes take no action.C、 All cluster processes stay active on Node ’B’,cluster resources are halted,and the remaining nodes take no action.D、 All cluster resources will stop,cluster processes halt on Node ’B’,and the remaining cluster nodes take no action.

During the initial cluster design,a disk heartbeat,Point-to-Point non-IP network is being planned  as part of a three-node cluster implementation. The disk environment will use LVM mirroring for disk redundancy. The volume groups will be created as Enhanced Concurrent Capable.  To facilitate disk heartbeating,how many disks per node and how many networks will be required?()  A、 One disk per node,one networkB、 Two disks per node,one networkC、 Two disks per node,six networksD、 Two disks per node,three networks

A cluster administrator is performing fallover testing during a scheduled system outage. Node ’A’  Was forced down and eventually rebooted. When Node ’A’ reintegrates into the cluster, the resource group state is offline. No errors are found in reviewing the hacmp.out file.  What could have been done to ensure the resource group was acquired when cluster processing was restarted on Node ’A’?()A、 Nothing,HACMP does not require them automatically.B、 Force the remaining nodes down,then reintegrate them all.C、 Select reacquire resources after forced down on start menu.D、 Create a setting timer to bring the resource group online.

What is required during the initial creation of a cluster?()A、 Nothing,because HACMP will discover the configurationB、 The cluster name and a TCP/IP path to each of the nodesC、 The cluster name and ID and a TCP/IP path to each of the nodesD、 The cluster name and ID node names and a TCP/IP path to each of the nodes

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During a cluster synchronization, an administrator inadvertently performs al ctrl ’C’ causing the synchronization to fail. After restarting the resynchronization, the administrator notices a message stating that a previous dare operation has been detected.  What is the best way to resolve this problem?()  A、 Perform a ’Recover from HACMP Script Failure’.B、 Perform a ’Release Lock Set By Dynamic Reconfiguration’.C、 Perform a graceful stop an start of all cluster processing.D、 Perform a ’Restore HACMP Configuration Database from Active Configuration’.

One service IP label and one volume group are assigned to a resource group in a cluster. An  Additional service IP label and volume group need to be added to the resource group.  How can this be done with the minimum disruption of the cluster?()  A、 Make the changes in HACMP and synchronize the cluster.B、 It cannot, because changes like this cannot be made while the cluster is running.C、 Make the changes in HACMP and wait until the next failure for the changes to take affect.D、 Use the forced option to stop the cluster,make the changes,and restart cluster services.

The first step documented in Company.com’s HACMP test plan is to start the cluster manager on the normal service node and verify that HACMP daemons have started with the ’lssrc -g cluster" command.  What daemons MUST show as active in the ’lssrc -g cluster" command to have an operational cluster?()  A、 clstrmgrES,clsmuxpdESB、 topsvcsd,grpsvcsd,exaixosC、 topsvcsd,grpsvcsd,clinfoES,grglsmdD、 clstrmgrES,clsmuxpdES,topsvcsd,grpsvcsd

An enterprise has two nodes: -Node ’A’ runs a large relational database and ha six CPUs and  32GB of memory. -Node ’B’ is an application server with three CPU’s and 16GB of memory. During peak production periods, the CPU load for Node ’A’ is normally between 30% and 40%. For Node ’B’, the CPU load is 10% to 20% during peak production periods.  Which of the following describes the best solution for an HACMP cluster?()  A、 Two cluster with two resource groups in a mutual takeover configuration.B、 One cluster with two cascading resource groups in a mutual takeover configuration.C、 One cluster with two rotating resource groups in a one-sided hot standby configuration.D、 Two clusters with two resource groups in a hot-standby configuration with a newly acquired third node.

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Which three statements are true when working with high-availability clusters?()A、The valid cluster-id range is between 0 and 255.B、JUNOS security devices can belong to more than one cluster if cluster virtualization is enabled.C、If the cluster-id value is set to 0 on a JUNOS security device, the device will not participate in the cluster.D、A reboot is required if the cluster-id or node value is changed.E、JUNOS security devices can belong to one cluster only.

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单选题During a resource group takeover operation, the resource group was found to go into error state. A tail of thehacmp.out file released the following message: Aug 3 12:57:20 EVENT FAILED:// -1: event_error 1 TE_RG_MOVE -1 WARNING:// Cluster PowerHA has beenrunning recovery program ’/usr/es/sbin/cluster/events/rg_move.rp’ for 360 seconds. Please check clusterstatus. What command can the administrator issue to cause the cluster to continue processing?()AclruncmdBclrestartCclcontinueDclresactive

单选题Your company has a main office and a branch office. The offices connect by using WAN links. The network consists of a single Active Directory domain. An Active Directory site exists for each office.   Servers in both offices run Windows Server 2008 R2 Enterprise.   You plan to deploy a failover cluster solution to service users in both offices.  You need to plan a failover cluster to meet the following requirements: èMaintain the availability of services if a single server fails èMinimize the number of servers required What should you include in your plan?()ADeploy a failover cluster that contains one node in each office.BDeploy a failover cluster that contains two nodes in each office.CIn the main office, deploy a failover cluster that contains one node. In the branch office, deploy a  failover cluster that contains one node.DIn the main office, deploy a failover cluster that contains two nodes. In the branch office, deploy a  failover cluster that contains two nodes.

单选题A cluster administrator is performing fallover testing during a scheduled system outage. Node ’A’  Was forced down and eventually rebooted. When Node ’A’ reintegrates into the cluster, the resource group state is offline. No errors are found in reviewing the hacmp.out file.  What could have been done to ensure the resource group was acquired when cluster processing was restarted on Node ’A’?()A Nothing,HACMP does not require them automatically.B Force the remaining nodes down,then reintegrate them all.C Select reacquire resources after forced down on start menu.D Create a setting timer to bring the resource group online.

多选题Which three statements are true when working with high-availability clusters? (Choose three.)()AThe valid cluster-id range is between 0 and 255.BJunos OS security devices can belong to more than one cluster if cluster virtualization is enabled.CIf the cluster-id value is set to 0 on a Junos security device, the device will not participate in the cluster.DA reboot is required if the cluster-id or node value is changed.EJunos OS security devices can belong to one cluster only.

单选题A customer synchronizes the cluster in a virtualized environment. During the process the following warning isdisplayed: "For nodes with a single Network Interface Card per logical network configured, it is recommended to includethe file ’/usr/es/sbin/cluster/netmon.cf’ with a pingable IP address as described in the PowerHA PlanningGuide". What should the customer do next?()AIgnore the warning as synchronization completed successfully.BPopulate the /usr/es/sbin/cluster/netmon.cf file with one or many IP addresses external to the cluster.CCreate another virtual adapter on each node and set-up PowerHA networking in a more traditional fashionDPopulate the /usr/es/sbin/cluster/netmon.cf file with any of the boot IP addresses on one of the othercluster nodes

单选题One service IP label and one volume group are assigned to a resource group in a cluster. An  Additional service IP label and volume group need to be added to the resource group.  How can this be done with the minimum disruption of the cluster?()A Make the changes in HACMP and synchronize the cluster.B It cannot, because changes like this cannot be made while the cluster is running.C Make the changes in HACMP and wait until the next failure for the changes to take affect.D Use the forced option to stop the cluster,make the changes,and restart cluster services.

单选题During a cluster functionality test, and administrator performs a graceful stop for Node ’B’ in a three-node cluster. What is the expected state of the cluster after Node ’B’successfully completes?()A All cluster resources halt on Node ’B’,and one or both surviving nodes will gracefully acquire the resources.B All cluster processes halt on Node ’B’,the cluster resources remain active,and the remaining  nodes take no action.C All cluster processes stay active on Node ’B’,cluster resources are halted,and the remaining nodes take no action.D All cluster resources will stop,cluster processes halt on Node ’B’,and the remaining cluster nodes take no action.

单选题You need to design a configuration for the mailbox servers. What should you do?()ACreate two Exchange Server 2003 computers. Place the mailboxes for main office users on one server, and place the mailboxes for remote users on the other serverBCreate a Network Load Balancing cluster that contains two Exchange Server 2003 computers. Place half of the user mailboxes on one server, and place half of the user mailboxes on the other serverCCreate a Microsoft Cluster Server cluster that contains two Exchange Server 2003 computers. Place all of the user mailboxes on one server and configure the other server as a failover nodeDCreate a Microsoft Cluster Server cluster that contains two Exchange Server 2003 computers. Place half of the user mailboxes on one server, and place half of the user mailboxes on the other server

单选题During the initial cluster design,a disk heartbeat,Point-to-Point non-IP network is being planned  as part of a three-node cluster implementation. The disk environment will use LVM mirroring for disk redundancy. The volume groups will be created as Enhanced Concurrent Capable.  To facilitate disk heartbeating,how many disks per node and how many networks will be required?()A One disk per node,one networkB Two disks per node,one networkC Two disks per node,six networksD Two disks per node,three networks

单选题The first step documented in Company.com’s HACMP test plan is to start the cluster manager on the normal service node and verify that HACMP daemons have started with the ’lssrc -g cluster" command.  What daemons MUST show as active in the ’lssrc -g cluster" command to have an operational cluster?()A clstrmgrES,clsmuxpdESB topsvcsd,grpsvcsd,exaixosC topsvcsd,grpsvcsd,clinfoES,grglsmdD clstrmgrES,clsmuxpdES,topsvcsd,grpsvcsd

多选题Which three statements are true when working with high-availability clusters?()AThe valid cluster-id range is between 0 and 255.BJUNOS security devices can belong to more than one cluster if cluster virtualization is enabled.CIf the cluster-id value is set to 0 on a JUNOS security device, the device will not participate in the cluster.DA reboot is required if the cluster-id or node value is changed.EJUNOS security devices can belong to one cluster only.

单选题During a cluster synchronization, an administrator inadvertently performs al ctrl ’C’ causing the synchronization to fail. After restarting the resynchronization, the administrator notices a message stating that a previous dare operation has been detected.  What is the best way to resolve this problem?()A Perform a ’Recover from HACMP Script Failure’.B Perform a ’Release Lock Set By Dynamic Reconfiguration’.C Perform a graceful stop an start of all cluster processing.D Perform a ’Restore HACMP Configuration Database from Active Configuration’.

单选题What is required during the initial creation of a cluster?()A Nothing,because HACMP will discover the configurationB The cluster name and a TCP/IP path to each of the nodesC The cluster name and ID and a TCP/IP path to each of the nodesD The cluster name and ID node names and a TCP/IP path to each of the nodes