单选题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?()ARun cluster synchronization.BRestart cluster services on Node1.CPerform a swap_adapter using C-SPOCDRestart cluster services on both nodes

单选题
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


参考解析

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A customer has a resource group rg1 configured on a two node cluster with the following policies:The customer has observed the following scenarios as nodes join the cluster during cluster start up. Scenario 1 Node1 joins cluster as first node - rg1 is acquired by Node1 Node2 joins cluster as second node - rg1 ismoved from Node1 to Node2 Scenario 2 Node2 joins cluster as first node - rg1 is acquired by Node2 Node1 joins cluster as second node - rg1 remainson Node2 Which of the following is the reason for this behavior?()A、rg1 is configured with a delayed fallback timerB、Settling time policy has not been configured for rg1C、Node1 does not have sufficient resources to support rg1D、Node2 is the first in the ’Default Node Priority’ list for resource group rg1

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.

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?()A、Ignore the warning as synchronization completed successfully.B、Populate the /usr/es/sbin/cluster/netmon.cf file with one or many IP addresses external to the cluster.C、Create another virtual adapter on each node and set-up PowerHA networking in a more traditional fashionD、Populate the /usr/es/sbin/cluster/netmon.cf file with any of the boot IP addresses on one of the othercluster nodes

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

In a cluster using /etc/hosts for name resolution, which of the following describes the minimum requirementsfor the /etc/hosts file?()A、IP address and IP label of each service and boot interface in the clusterB、IP address and IP label of each service and boot interface in the cluster, loopback interface, and the hostname of the nodeC、IP address and IP label of each service and boot interface in the cluster, the loopbackinterface, and the cluster gatewayD、IP address and IP label of each service and boot interface in the cluster, the loopbackinterface, the cluster gateway, and the subnet network addresses

A new administrator is performing fallover testing on a two-node cluster and is concerned that the cascading resource group belonging to Node ’A’ did not reintegrate properly after the cluster was restarted on Node ’A’. A stable cluster is reported by clstat,and clRGinfo reports the resource group online on Node ’B’.  What type of configuration would cause this type of behavior?()  A、 The resource group DNP has been configured.B、 The resource group option CWOF has been enabled.C、 The resource group option Inactive Takeover is set.D、 A resource group fallback timer has been configured.

An architect is configuring a PowerHA cluster in the following way:The cluster will consist of two nodes. Each node will have two boot interfaces configured as a single PowerHA network. The cluster is to have asingle resource group with a single service address.Heartbeating over aliased is not to be used. What is the minimum number of subnets required to implement this cluster?()A、1B、2C、3D、4

A two-node cluster is configured for mutual takeover with two service IP labels. The cluster is Being tested for fallover behavior. Both nodes in the cluster have two network interfaces (ent0’ and ’ent1’) configured with IPAT via IP Replacement. When the network cable is removed from the interface card with the service address (’ent0’), the service address is moved to ’ent1’, and ’ent0’ is reconfigured on its boot address. When the network cable is replaced on ’ent0,the service address does not switch back to ’ent0’.  What statement most accurately describes this situation?()   A、 EtherChannel is needed to automatically switch the service IP address back to ’ent0’.B、 This is the default behavior for a network interface failure with this configuration.C、 Gratuitous ARP support needs to be enabled for the IP Network Interface Module in SMIT.D、 The Inactive Network Takeover option should be set to "true" to forece the service addressback to ’ent0’.

A cluster node has three network interfaces that support three resource groups with three service  IP labels. Each IP label uses IPAT via IP aliasing. One of the adapters fails, and all of the IP labels on it are moved to other interfaces as expected. The system supports the "hot swap" replacement of the network interfaces, and the system engineer has corrected the problem.  What will happen to the service IP lab3els when the repaired adapter is noticed by HACMP?()A、 They will migrate back to the repaired interface.B、 They will not move,the interface will join the pool of available resources.C、 They will not move; the interface will join the cluster as an available non-service adapter. D、 They will migrate to the repaired interface to create an equal number of service IP labels per interface.

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)

Company.com has I/O slot constraints on two nodes that are going to be configured in an  HACMP cluster. There is room for only one Network Interface Card in each node,in addition to the built-in Ethernet port on the system planer.  The best HACMP configuration for these servers is to implement:()  A、 A single adapter network using the Network Interface Card in each nodeB、 A single adapter network using persistent addresses on the Network Interface Card in each nodeC、 A dual adapter network using the internal Ethernet adapters as an non-service interface with IPAT via IP Replacement.D、 EtherChannel high availability for the network connections with HACMP cascading resource groups for data and application fallover

Company.com has a two-node HACMP cluster with a single cascading resource group. Node ’A’  is the normal production node, and Node ’B’ is the standby node. One of the first steps in the HACMP test plan is to start the cluster and to verify that al elements for the resource group have been acquired. The administrator who is conducting the HACMP test starts the HACMP daemons on Node ’B’ with the ’smitty clstart" command. The administrator notices that Node ’B’ acquires the elements of the resource group, including a service IP labels,a shared volume group, and an application server that has been started. The expectation was that Node ’B’ would enter the cluster in a standby status, rather than acquiring production resources.  What should the administrator do to correct this problem?()   A、 Change the cluster to a rotating design.B、 Change the Cascading without Fallback flag to true.C、 Change the Inactive Takeover field to false in the cluster configuration.D、 Nothing should be done. This is the default behavior for cascading resource groups,and node ’A’ should have been started first.

单选题A customer has a resource group rg1 configured on a two node cluster with the following policies:The customer has observed the following scenarios as nodes join the cluster during cluster start up. Scenario 1 Node1 joins cluster as first node - rg1 is acquired by Node1 Node2 joins cluster as second node - rg1 ismoved from Node1 to Node2 Scenario 2 Node2 joins cluster as first node - rg1 is acquired by Node2 Node1 joins cluster as second node - rg1 remainson Node2 Which of the following is the reason for this behavior?()Arg1 is configured with a delayed fallback timerBSettling time policy has not been configured for rg1CNode1 does not have sufficient resources to support rg1DNode2 is the first in the ’Default Node Priority’ list for resource group rg1

单选题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?()AImplement heartbeating over IP aliasesBImplement persistent service IP addressesCImplement IPAT aliasing with hardware address takeover (HWAT)DImplement IPAT replacement with hardware address takeover (HWAT)

单选题An administrator has configured a two node cluster, Node1 and Node2 with two resource groups, RG1 andRG2. The resource groups are configured as follows: RG1: Participating Nodes: Node1, Node2 Startup Policy: Online On Home Node Only Fallover Policy: Fallover To Next Priority Node In The List Fallback Policy Never Fallback RG2: Participating Nodes: Node2, Node1 Startup Policy: Online On Home Node Only Fallover Policy: Fallover To Next Priority Node In The List Fallback Policy: Fallback To Higher Priority NodeIn The List An Online on Different Nodes Dependency has been configured as:High Priority Resource Groups: RG2 Intermediate Priority Resource Group: RG1 The cluster has been running without any problems with both resource groups on their home nodes whenNode1 suffers a critical operating system problem causing the node to halt.What is the status of the resource groups?()()ARG1 is Online RG2 is OnlineBRG1 is Online RG2 is OfflineCRG1 is Offline RG2 is OnlineDRG1 is Offline RG2 is Offline

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A cluster node has three network interfaces that support three resource groups with three service  IP labels. Each IP label uses IPAT via IP aliasing. One of the adapters fails, and all of the IP labels on it are moved to other interfaces as expected. The system supports the "hot swap" replacement of the network interfaces, and the system engineer has corrected the problem.  What will happen to the service IP lab3els when the repaired adapter is noticed by HACMP?()A They will migrate back to the repaired interface.B They will not move,the interface will join the pool of available resources.C They will not move; the interface will join the cluster as an available non-service adapter. D They will migrate to the repaired interface to create an equal number of service IP labels per interface.

单选题In a cluster using /etc/hosts for name resolution, which of the following describes the minimum requirementsfor the /etc/hosts file?()AIP address and IP label of each service and boot interface in the clusterBIP address and IP label of each service and boot interface in the cluster, loopback interface, and the hostname of the nodeCIP address and IP label of each service and boot interface in the cluster, the loopbackinterface, and the cluster gatewayDIP address and IP label of each service and boot interface in the cluster, the loopbackinterface, the cluster gateway, and the subnet network addresses

单选题A new administrator is performing fallover testing on a two-node cluster and is concerned that the cascading resource group belonging to Node ’A’ did not reintegrate properly after the cluster was restarted on Node ’A’. A stable cluster is reported by clstat,and clRGinfo reports the resource group online on Node ’B’.  What type of configuration would cause this type of behavior?()A The resource group DNP has been configured.B The resource group option CWOF has been enabled.C The resource group option Inactive Takeover is set.D A resource group fallback timer has been configured.

单选题Company.com has a two-node HACMP cluster with a single cascading resource group. Node ’A’  is the normal production node, and Node ’B’ is the standby node. One of the first steps in the HACMP test plan is to start the cluster and to verify that al elements for the resource group have been acquired. The administrator who is conducting the HACMP test starts the HACMP daemons on Node ’B’ with the ’smitty clstart" command. The administrator notices that Node ’B’ acquires the elements of the resource group, including a service IP labels,a shared volume group, and an application server that has been started. The expectation was that Node ’B’ would enter the cluster in a standby status, rather than acquiring production resources.  What should the administrator do to correct this problem?()A Change the cluster to a rotating design.B Change the Cascading without Fallback flag to true.C Change the Inactive Takeover field to false in the cluster configuration.D Nothing should be done. This is the default behavior for cascading resource groups,and node ’A’ should have been started first.

单选题An administrator has configured a two node cluster, Node1 and Node2 with two resource groups, RG1 andRG2. The resource groups are configured as follows: RG1: Participating Nodes: Node1, Node2 Startup Policy: Online On Home Node Only Fallover Policy: Fallover To Next Priority Node In The List Fallback Policy Never Fallback RG2: Participating Nodes: Node2, Node1 Startup Policy: Online On Home Node Only Fallover Policy: Fallover To Next Priority Node In The List Fallback Policy: Fallback To Higher Priority NodeIn The List An Online on Different Nodes Dependency has been configured as:High Priority Resource Groups: RG2 Intermediate Priority Resource Group: RG1 The cluster has been running without any problems with both resource groups on their home nodes whenNode1 suffers a critical operating system problem causing the node to halt.What is the status of the resource groups?()()ARG1 is Online RG2 is OnlineBRG1 is Online RG2 is OfflineCRG1 is Offline RG2 is OnlineDRG1 is Offline RG2 is Offline

单选题A two-node cluster is configured for mutual takeover with two service IP labels. The cluster is Being tested for fallover behavior. Both nodes in the cluster have two network interfaces (ent0’ and ’ent1’) configured with IPAT via IP Replacement. When the network cable is removed from the interface card with the service address (’ent0’), the service address is moved to ’ent1’, and ’ent0’ is reconfigured on its boot address. When the network cable is replaced on ’ent0,the service address does not switch back to ’ent0’.  What statement most accurately describes this situation?()A EtherChannel is needed to automatically switch the service IP address back to ’ent0’.B This is the default behavior for a network interface failure with this configuration.C Gratuitous ARP support needs to be enabled for the IP Network Interface Module in SMIT.D The Inactive Network Takeover option should be set to true to forece the service addressback to ’ent0’.

单选题An administrator has a two-node PowerHA cluster in a mutual takeover configuration. He needs to updatefrom 5.5 service pack 1 to 5.5 service pack 2. Which of the following actions will perform the updates with norisk of disruption to applications running in the cluster?()AUnmanage resource groups on all nodes, update the cluster filesets, start cluster services on all nodes,ensure cluster services stabilizeBUpdate the cluster filesets on all nodes. Run ’refresh -s clstrmgrES’ on one node, wait for the cluster tostabilize, repeat for all other nodesCUnmanage resource groups on one node, update the cluster filesets, start cluster services. Wait for thecluster to stabilize and repeat for all other nodes.DBring resource groups (RGs) online on all nodes concurrently, bring RGs offline on one node, update thecluster filesets, bring RGs online, repeat for all other nodes

单选题An architect is configuring a PowerHA cluster in the following way:The cluster will consist of two nodes. Each node will have two boot interfaces configured as a single PowerHA network. The cluster is to have asingle resource group with a single service address.Heartbeating over aliased is not to be used. What is the minimum number of subnets required to implement this cluster?()A1B2C3D4

单选题Company.com has I/O slot constraints on two nodes that are going to be configured in an  HACMP cluster. There is room for only one Network Interface Card in each node,in addition to the built-in Ethernet port on the system planer.  The best HACMP configuration for these servers is to implement:()A A single adapter network using the Network Interface Card in each nodeB A single adapter network using persistent addresses on the Network Interface Card in each nodeC A dual adapter network using the internal Ethernet adapters as an non-service interface with IPAT via IP Replacement.D EtherChannel high availability for the network connections with HACMP cascading resource groups for data and application fallover

单选题A customer has a resource group rg1 configured on a two node cluster with the following policies:The customer has observed the following scenarios as nodes join the cluster during cluster start up. Scenario 1 Node1 joins cluster as first node - rg1 is acquired by Node1 Node2 joins cluster as second node - rg1 ismoved from Node1 to Node2 Scenario 2 Node2 joins cluster as first node - rg1 is acquired by Node2 Node1 joins cluster as second node - rg1 remainson Node2 Which of the following is the reason for this behavior?()Arg1 is configured with a delayed fallback timerBSettling time policy has not been configured for rg1CNode1 does not have sufficient resources to support rg1DNode2 is the first in the ’Default Node Priority’ list for resource group rg1