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 t

题目
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 address back to ’ent0’.

相似考题

1. Continuous availability is required for an application in a two-node cluster. There is one rotating resource group in the cluster， and the nodes are identical machines. Client telnet connections to the application cannot be broken because it takes 20 to 30 minutes to recycle the client workstations and transactions will be lost.  What configuration best provides continuous connectivity to the application？（）   A、 IPAT using IP Replacement without MAC address takeover.B、 IPAT using IP Aliasing and hardware MAC address takeover.C、 None because continuous telnet connectivity cannot be provided with HACMP.D、 Shared service IP address assigned to multiple network interface cards on each node.

2.A cluster using IPAT via IP aliasing has four adapters. Normally there are several resource  groups that have a total of four service IP labels. When two of the adapters fail， what happens？（）  A、 The resource group containing the IP labels changes to an "offline" state.B、 The IP service labels of the failed adapters relocate the surviving adapters.C、 Nothing because the resource groups wait for the adapters to become active again.D、 The resource groups containing the IP labels of the failed adapters migrate to a backup node.

3.Which of the following statements is true about IPAT via IP replacement？（）  A、 Configuration of Hardware Address Takeover is supported.B、 Fewer physical network interface cards are required in the cluster.C、 It is the default for keeping a service IP labels highly available.D、 None-service ip labels must use different subnets than service IP labels.

4. 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

更多“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 t”相关问题

  • 第1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？（）

    • A、1
    • B、2
    • C、3
    • D、4

    正确答案:C

  • 第2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.

    正确答案:B

  • 第3题：

    A two-node cluster provides NFS exports to a variety of UNIX clients. During fallover testing，it is determined that some clients are unable to mount the exported filesystems after fallover，and before node reintegration. It is verified that the filesystems belong to a resource group and are correct in /usr/es/sbin/cluster/etc/exports.  Which of the following may provide a possible solution to this problem？（）  

    • A、 Use HWAT for IPAT to provide more reliable NFS serving.
    • B、 Use AIX Fast Connect to provide more robust NFS serving.
    • C、 Use NFS Cross Mounting to allow both nodes to export NFS properly.
    • D、 Use the "Filesystem Mounted before IP Configured" flag to provide more predictable NFS serving.

    正确答案:D

  • 第4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）

    正确答案:D

  • 第5题：

    During an HACMP migration，two nodes of a four-node cluster have been migrated. The existing hardware of the remaining two nodes do not meet the pre-requisites of the HACMP level that is being installed.  Which of the following is the best method for resolving this issue？（）

    • A、 Upgrade the unsupported hardware and continue with the migration.
    • B、 Restore the two nodes that have been migrated with a cluster snapshot.
    • C、 Restore the two nodes that have not been migrated with a cluster snapshot.
    • D、 Synchronize the cluster to allow the nodes that didn’t migrate to join the cluster.

    正确答案:B

  • 第6题：

    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？（）
    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）


    正确答案： D
    解析： 暂无解析

  • 第7题：

    单选题
    Which of the following statements is true about IPAT via IP replacement？（）
    A

     Configuration of Hardware Address Takeover is supported.

    B

     Fewer physical network interface cards are required in the cluster.

    C

     It is the default for keeping a service IP labels highly available.

    D

     None-service ip labels must use different subnets than service IP labels.


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    Continuous availability is required for an application in a two-node cluster. There is one rotating resource group in the cluster， and the nodes are identical machines. Client telnet connections to the application cannot be broken because it takes 20 to 30 minutes to recycle the client workstations and transactions will be lost.  What configuration best provides continuous connectivity to the application？（）
    A

     IPAT using IP Replacement without MAC address takeover.

    B

     IPAT using IP Aliasing and hardware MAC address takeover.

    C

     None because continuous telnet connectivity cannot be provided with HACMP.

    D

     Shared service IP address assigned to multiple network interface cards on each node.


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    An enterprise has three nodes： -Node ’A’ is a production database， -Node ’B’ is a production  Application server， and -Node ’C’ is a test and development node. Node ’C’ is used by six programmers to develop and the production application as business critical and would like to make it highly available with HACMP. Application development and testing is not business critical.  Which of the following describes the best solution？（）
    A

     There is not an adequate solution because HACMP should not be configured in this environment without a dedicated standby node.

    B

     Nodes ’A’ and ’B’ should be configured in a cluster with mutual fallover of two cascading resource groups to provide both nodes will deliver acceptable response time with both resource groups.

    C

     Nodes ’A’ and ’C’ should be configured in one cluster， and Nodes ’B’ and ’C’ in another cluster to prevent both the database and application server from falling over to Node ’C’ at the same time.

    D

     Nodes ’A’， ’B’， and ’C’ should be configured in a cluster with Node ’C’ the hot standby for both the database and application server resource groups. Workload Manager （WLM） must be configured on database and application developers from over utilizing the CPU resources.


    正确答案： D
    解析： 暂无解析

  • 第10题：

    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.


    正确答案： D
    解析： 暂无解析

  • 第11题：

    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？（）
    A

    1

    B

    2

    C

    3

    D

    4


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    Company.com environment consists of 10 volume groups and 4 physical networks. The customer  Desires the fastest possible fallover for a two-node cluster.  Which of the following configuration alternatives will provide the fastest fallover？（）
    A

     IPAT via IP Aliasing，default shared volume groups

    B

     IPAT via IP Replacement default shared volume groups

    C

     IPAT via IP Aliasing，enhanced concurrent volume groups

    D

     IPAT via IP Replacement，enhanced concurrent volume groups


    正确答案： D
    解析： 暂无解析

  • 第13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 address back to ’ent0’.

    正确答案:B

  • 第14题：

    An enterprise has three nodes： -Node ’A’ is a production database， -Node ’B’ is a production  Application server， and -Node ’C’ is a test and development node. Node ’C’ is used by six programmers to develop and the production application as business critical and would like to make it highly available with HACMP. Application development and testing is not business critical.  Which of the following describes the best solution？（）  

    • A、 There is not an adequate solution because HACMP should not be configured in this environment without a dedicated standby node.
    • B、 Nodes ’A’ and ’B’ should be configured in a cluster with mutual fallover of two cascading resource groups to provide both nodes will deliver acceptable response time with both resource groups.
    • C、 Nodes ’A’ and ’C’ should be configured in one cluster， and Nodes ’B’ and ’C’ in another cluster to prevent both the database and application server from falling over to Node ’C’ at the same time.
    • D、 Nodes ’A’， ’B’， and ’C’ should be configured in a cluster with Node ’C’ the hot standby for both the database and application server resource groups. Workload Manager （WLM） must be configured on database and application developers from over utilizing the CPU resources.

    正确答案:B

  • 第15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.

    正确答案:C

  • 第16题：

    Company.com environment consists of 10 volume groups and 4 physical networks. The customer  Desires the fastest possible fallover for a two-node cluster.  Which of the following configuration alternatives will provide the fastest fallover？（）  

    • A、 IPAT via IP Aliasing，default shared volume groups
    • B、 IPAT via IP Replacement default shared volume groups
    • C、 IPAT via IP Aliasing，enhanced concurrent volume groups
    • D、 IPAT via IP Replacement，enhanced concurrent volume groups

    正确答案:C

  • 第17题：

    Company.com wishes to use IPAT via IP replacement in a two-node mutual cluster. Each node  has two Ethernet 10/100/1000 adapters. Throughout the planning session，the customer has asked questions about subnet and VLAN requirements for the intended network topology.  Which of the following best describes the network requirements？（）  

    • A、 The service IP addresses must be on a separate subnet and VLAN.
    • B、 The non-service and service IP addresses must be on the same subnet and on the same VLAN.
    • C、 All interfaces on a node must be in different subnets. All subnets must be on the same VLAN. 
    • D、 One non-service and one service IP address must be on the same logical subnet. All interfaces must be on the same VLAN.

    正确答案:D

  • 第18题：

    单选题
    During an HACMP migration，two nodes of a four-node cluster have been migrated. The existing hardware of the remaining two nodes do not meet the pre-requisites of the HACMP level that is being installed.  Which of the following is the best method for resolving this issue？（）
    A

     Upgrade the unsupported hardware and continue with the migration.

    B

     Restore the two nodes that have been migrated with a cluster snapshot.

    C

     Restore the two nodes that have not been migrated with a cluster snapshot.

    D

     Synchronize the cluster to allow the nodes that didn’t migrate to join the cluster.


    正确答案： D
    解析： 暂无解析

  • 第19题：

    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.


    正确答案： A
    解析： 暂无解析

  • 第20题：

    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


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    An HACMP cluster is planned for two logical partitions on IBM p690 servers. Both partitions have  three network interface adapters： two service adapters on a production network connected to an IP switch， and an administration adapter on a stand-alone hub that is connected to the p690 server’s HMC. Non-IP hearbeat paths cannot be configured due to the available hardware in the p690 servers.  Given the resources available，what is the best configuration for this cluster？（）
    A

     Add hardware to provide either serial heartbeats or shared disk heartbeats.

    B

     Define the administration network so HACMP will send heartb4eats over the non-routed network.

    C

     Add the administration network adapters to the production resource groups with IPAT via IP replacement selections.

    D

     Configure the IP Network Interface Module in HACMP with an increased heartbeat detection rate to prevent node isolation confutations.


    正确答案： B
    解析： 暂无解析

  • 第22题：

    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？（）
    A

    Unmanage resource groups on all nodes， update the cluster filesets， start cluster services on all nodes，ensure cluster services stabilize

    B

    Update the cluster filesets on all nodes. Run ’refresh -s clstrmgrES’ on one node， wait for the cluster tostabilize， repeat for all other nodes

    C

    Unmanage resource groups on one node， update the cluster filesets， start cluster services. Wait for thecluster to stabilize and repeat for all other nodes.

    D

    Bring 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


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    Company.com wishes to use IPAT via IP replacement in a two-node mutual cluster. Each node  has two Ethernet 10/100/1000 adapters. Throughout the planning session，the customer has asked questions about subnet and VLAN requirements for the intended network topology.  Which of the following best describes the network requirements？（）
    A

     The service IP addresses must be on a separate subnet and VLAN.

    B

     The non-service and service IP addresses must be on the same subnet and on the same VLAN.

    C

     All interfaces on a node must be in different subnets. All subnets must be on the same VLAN. 

    D

     One non-service and one service IP address must be on the same logical subnet. All interfaces must be on the same VLAN.


    正确答案： A
    解析： 暂无解析

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