单选题The IP subsystem fallover behavior of a two-node cluster is being testing in a large client  organization. One of the tests is to simulate a network_down event and verify that HACMP movesthe single resource group to the standby node.  What is the best 

题目
单选题
The IP subsystem fallover behavior of a two-node cluster is being testing in a large client  organization. One of the tests is to simulate a network_down event and verify that HACMP movesthe single resource group to the standby node.  What is the best way to simulate a network down condition?()
A

 Turn off the IP core switch connecting the two nodes.

B

 Issue the command stopsrc -g inetd on the node that has the resource group.

C

 Issue the command sh /etc/rc.tcpclean on the node that has the resource group.

D

 Simultaneously unplug all network cables from the node that has the resource group.


相似考题
更多“单选题The IP subsystem fallover behavior of a two-node cluster is being testing in a large client  organization. One of the tests is to simulate a network_down event and verify that HACMP movesthe single resource group to the standby node.  What is the best ”相关问题
  • 第1题:

    Company.com has a three-node cluster with six resource groups. There are two resource groups  for each node. A new hardware component will be added to one of the nodes. The customer wants to move the resource groups to other nodes,but not necessarily in the normal fallover order. Also,the resource groups must be moved at night when there is no one in the computer center. What can be done so that the resource group is moved at the most convenient normal fallover order. Also,the resource groups must be moved at night when there is no one in the computer center.  What can be done so that the resource group is moved at the most convenient time for the customer?()   

    • A、 Create a custom resource group with a custom fallback timer to cause the system shutdown at he appropriate time.
    • B、 Set the system to stop with "shutdown" command at the appropriate time and allow HACMP to relocate the resources.
    • C、 Use a script that calls the cIRGmove command and place it in the cron or a queue to execute at the appropriate time.
    • D、 Change the existing resource groups to a custom type and add a timer to perform a "shutdown -h" command at the appropriate time.

    正确答案:C

  • 第2题:

    During the process of fallover testing, a client/server database needs to be tested. On the AIX Server, start/stop/cleanup scripts and server application functionality have been tested.  Before moving onto the next step of fallover testing,what action must be completed?()

    • A、 Run who -a and validate that client connections are restored.
    • B、 Verify that the client side application is functioning properly.
    • C、 Check hacmp.out log file to validate that the application server started.
    • D、 Verify that the application will successfully stop and restart on the fallover node.

    正确答案:B

  • 第3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4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.

    正确答案:A

  • 第5题:

    An HACMP setting timer may used to allow:()  

    • A、 The setting or fallback of a cluster custom resource group
    • B、 The cluster time to stabilize before starting a custom resource group
    • C、 A priority node time to acquire custom resource group at cluster start
    • D、 A fallover node time to process custom resource states to be monitored

    正确答案:C

  • 第6题:

    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.


    正确答案: C
    解析: 暂无解析

  • 第7题:

    单选题
    An HACMP setting timer may used to allow:()
    A

     The setting or fallback of a cluster custom resource group

    B

     The cluster time to stabilize before starting a custom resource group

    C

     A priority node time to acquire custom resource group at cluster start

    D

     A fallover node time to process custom resource states to be monitored


    正确答案: B
    解析: 暂无解析

  • 第8题:

    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.


    正确答案: C
    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
    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.


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    The IP subsystem fallover behavior of a two-node cluster is being testing in a large client  organization. One of the tests is to simulate a network_down event and verify that HACMP movesthe single resource group to the standby node.  What is the best way to simulate a network down condition?()
    A

     Turn off the IP core switch connecting the two nodes.

    B

     Issue the command stopsrc -g inetd on the node that has the resource group.

    C

     Issue the command sh /etc/rc.tcpclean on the node that has the resource group.

    D

     Simultaneously unplug all network cables from the node that has the resource group.


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    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.


    正确答案: A
    解析: 暂无解析

  • 第13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.

    正确答案:B

  • 第14题:

    A step in the HACMP test plan is to gracefully stop the cluster on a node and to verify that the Shared resources fallover to the standby node. To prepare for this testing step, both nodes in the two-node cluster are in a stable state with the single resource group active on Node ’A’.  Which of the following is the best way to execute this portion of the test plan?()  

    • A、 Execute "lssrc -g cluster stop" on Node ’A’
    • B、 Execute "cat /etc//motd >/dev/kmem" on Node ’A’
    • C、 Execute "/usr/es/sbin/cluster/utilities/sclstop -gr" on Node ’A’
    • D、 Find the pid of cluster manager daemon on Node ’A’ and issue a "kill-9" against the pid

    正确答案:C

  • 第15题:

    Following an unsuccessful cluster fallover test, it is determined that the nfsrg1 resource group  was the problem causing the cluster to run the config_too_long evetn. The nfsrg1 resource group contains 10 nfs filesystems that are cross-mounted to the other cluster node.  Without modify8ing the time until warning parameters,what can be done to enhance NFS fallover performance?()  

    • A、 Increase the number of NFS daemons for increased performance.
    • B、 Modify the nfsrg1 resource group to use local NFS cross-mounts.
    • C、 Create a second resource group to manage half the NFS cross-mounts.
    • D、 Create post events to handle the cross-mounts after fallover processing.

    正确答案:B

  • 第16题:

    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.

    正确答案:B

  • 第17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.

    正确答案:C

  • 第18题:

    单选题
    Company.com has a three-node cluster with six resource groups. There are two resource groups  for each node. A new hardware component will be added to one of the nodes. The customer wants to move the resource groups to other nodes,but not necessarily in the normal fallover order. Also,the resource groups must be moved at night when there is no one in the computer center. What can be done so that the resource group is moved at the most convenient normal fallover order. Also,the resource groups must be moved at night when there is no one in the computer center.  What can be done so that the resource group is moved at the most convenient time for the customer?()
    A

     Create a custom resource group with a custom fallback timer to cause the system shutdown at he appropriate time.

    B

     Set the system to stop with shutdown command at the appropriate time and allow HACMP to relocate the resources.

    C

     Use a script that calls the cIRGmove command and place it in the cron or a queue to execute at the appropriate time.

    D

     Change the existing resource groups to a custom type and add a timer to perform a shutdown -h command at the appropriate time.


    正确答案: A
    解析: 暂无解析

  • 第19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20题:

    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.


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    While installing the equipment for a new two-node cluster, it is discovered that the disk subsystem  Rack has one connection to the power mains. The explanation given was that the disks are to be mirrored between the two disk drawers in the rack and that a failure in either of the disk drawers would simply result in half of the disk being lost.  What can be done to avoid a single point of failure?()
    A

     Customize HACMP to overcome quorum issues.

    B

     Add a second PDU to separate the power connections.

    C

     Use RAID5 when implementing two IO racks in a HACMP environment.

    D

     Add another shared disk to each volume group to avoid quorum issues during fallover.


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    Following an unsuccessful cluster fallover test, it is determined that the nfsrg1 resource group  was the problem causing the cluster to run the config_too_long evetn. The nfsrg1 resource group contains 10 nfs filesystems that are cross-mounted to the other cluster node.  Without modify8ing the time until warning parameters,what can be done to enhance NFS fallover performance?()
    A

     Increase the number of NFS daemons for increased performance.

    B

     Modify the nfsrg1 resource group to use local NFS cross-mounts.

    C

     Create a second resource group to manage half the NFS cross-mounts.

    D

     Create post events to handle the cross-mounts after fallover processing.


    正确答案: B
    解析: 暂无解析

  • 第23题:

    单选题
    During the process of fallover testing, a client/server database needs to be tested. On the AIX Server, start/stop/cleanup scripts and server application functionality have been tested.  Before moving onto the next step of fallover testing,what action must be completed?()
    A

     Run who -a and validate that client connections are restored.

    B

     Verify that the client side application is functioning properly.

    C

     Check hacmp.out log file to validate that the application server started.

    D

     Verify that the application will successfully stop and restart on the fallover node.


    正确答案: A
    解析: 暂无解析

  • 第24题:

    单选题
    A step in the HACMP test plan is to gracefully stop the cluster on a node and to verify that the Shared resources fallover to the standby node. To prepare for this testing step, both nodes in the two-node cluster are in a stable state with the single resource group active on Node ’A’.  Which of the following is the best way to execute this portion of the test plan?()
    A

     Execute lssrc -g cluster stop on Node ’A’

    B

     Execute cat /etc//motd >/dev/kmem on Node ’A’

    C

     Execute /usr/es/sbin/cluster/utilities/sclstop -gr on Node ’A’

    D

     Find the pid of cluster manager daemon on Node ’A’ and issue a kill-9 against the pid


    正确答案: C
    解析: 暂无解析