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
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)


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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.

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.

Router R1 exists in an Enterprise that uses EIGRP as its routing protocol. The show ip route command output on router R1 lists the following phrase: "Gateway of last resort is 1.1.1.1 to network 2.0.0.0". Whic h of the following is most likely to have caused this output to occur on R1?()A、R1 has been configured with an ip default- network 2.0.0.0 command.B、R1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.C、R1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.D、Another router has been configured with an ip default - network 2.0.0.0 command.E、Another router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.

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.

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 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.

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

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)

You are the network administrator for your company. The network consists of a single Active Directory domain. All computers on the network are members of the domain.   You administer a Network Load Balancing cluster that consists of three nodes. Each node runs Windows Server 2003 and contains a single network adapter. The Network Load Balancing cluster can run only in unicast mode. The Network Load Balancing cluster has converged successfully.   To increase the utilization of the cluster, you decide to move a particular application to each node of the cluster. For this application to run, you must add a Network Load Balancing port rule to the nodes of the cluster.   You start Network Load Balancing Manager on the second node of the cluster. However, Network Load Balancing Manager displays a message that it cannot communicate with the other two nodes of the cluster.  You want to add the port rule to the nodes of the cluster.   What should you do?  ()A、 Use Network Load Balancing Manager on the Network Load Balancing default host to add the port rule.B、 Change the host priority of the second node to be the highest in the cluster, and then use Network Load Balancing Manager to add the port rule.C、 Run the nlb.exe drain command on each node, and then use Network Load Balancing Manager to add the port rule.D、 Add the port rule through Network Connections Properties on each node.

Your company named Contoso, Ltd. has a two-node Network Load Balancing cluster. The cluster is intended to provide high availability and load balancing for only the intranet Web site. The name of the cluster is web.contoso.com.  You discover that Contoso users can see the Network Load Balancing cluster in the network neighborhood and can connect to various services by using the web.contoso.com name. The web.contoso.com Network Load Balancing cluster is configured with only one port rule.  You need to configure the web.contoso.com Network Load Balancing cluster to accept only HTTP traffic. Which two actions should you perform?()A、Log on to one of the cluster nodes and run the wlbs disable all command.B、Open the Network Load Balancing Clusters console and delete the default port rules.C、Open the Network Load Balancing Clusters console and create a new Allow rule for TCP port 80.D、Open the Network Load Balancing Clusters console and change the default port rule to a disabled port range rule.

You are the network administrator for your company. The network consists of a single Active Directory domain. All computers on the network are members of the domain.   You administer a four-node Network Load Balancing cluster. All nodes run Windows Server 2003. The cluster has converged successfully. You use Network Load Balancing Manager on the default host to configure all nodes of the cluster.   The nodes have a single network adapter and are connected to the same switching hub device.   Administrators of non-cluster servers that are connected to the same switching hub device report that their servers receive traffic that is destined for the cluster nodes. Receiving this additional network traffic impairs the network performance of the non-cluster servers.   You need to ensure that traffic destined for only the cluster nodes is not sent to all ports of the switching hub device.  You do not want to move the cluster to another switching hub device.   What should you do? ()A、 On one node, run the nlb.exe reload command.B、 On each node, run the wlbs.exe drainstop command.C、 Use Network Load Balancing Manager to enable Internet Group Management Protocol (IGMP) support on the cluster.D、 Use Network Load Balancing Manager to add a second cluster IP address.

You are the network administrator for your company. The network consists of a single Active Directory domain. All computers on the network are members of the domain.   You administer a three-node Network Load Balancing cluster. Each cluster node runs Windows Server 2003 and has a single network adapter. The cluster has converged successfully.   You notice that the nodes in the cluster run at almost full capacity most of the time. You want to add a fourth node to the cluster. You enable and configure Network Load Balancing on the fourth node.   However, the cluster does not converge to a four-node cluster. In the System log on the existing three nodes, you find the exact same TCP/IP error event. The event has the following description: "The system detected an address conflict for IP address 10.50.8.70 with the system having network hardware address 02:BF://0A:32:08:46."   In the System log on the new fourth node, you find a similar TCP/error event with the following description: "The system detected an address conflict for IP address 10.50.8.70 with the system having network hardware address 03:BF://0A:32:08:46." Only the hardware address is different in the two descriptions.  You verify that IP address 10.50.8.70 is configured as the cluster IP address on all four nodes.  You want to configure a four-node Network Load Balancing cluster.   What should you do?  ()A、 Configure the fourth node to use multicast mode.B、 Remove 10.50.8.70 from the Network Connections Properties of the fourth node.C、 On the fourth node, run the nlb.exe resume command.D、 On the fourth node, run the wlbs.exe reload command.

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 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You have a Windows Server 2008 R2 Hyper-V failover cluster that has 16 nodes.  You plan to load-balance eight virtual machines (VMs) on the Hyper-V failover cluster by using network load balancing (NLB). You need to ensure that the NLB cluster converges.  What should you do?()ASet the NLB cluster type to MulticastBDedicate a virtual network for all NLB trafficCUse static MAC addresses for the parent network adapterDEnable spoofing of MAC addresses on the virtual network adapter

多选题Certkiller .com boosts a two-node Network Load Balancing cluster which is called web. CK1 .com. The purpose of this cluster is to provide load balancing and high availability of the intranet website only. With monitoring the cluster, you discover that the users can view the Network Load Balancing cluster in their Network Neighborhood and they can use it to connect to various services by using the name web. CK1 .com.  You also discover that there is only one port rule configured for Network Load Balancing cluster.  You have to configure web. CK1 .com NLB cluster to accept HTTP traffic only.  Which two actions should you perform to achieve this objective()ACreate a new rule for TCP port 80 by using the Network Load Balancing Cluster consoleBRun the wlbs disable command on the cluster nodesCAssign a unique port rule for NLB cluster by using the NLB Cluster consoleDDelete the default port rules through Network Load Balancing Cluster console

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 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.

多选题Your company named Contoso, Ltd. has a two-node Network Load Balancing cluster. The cluster isintended to provide high availability and load balancing for only the intranet Web site. The name of the cluster is web.contoso.com. You discover that Contoso users can see the Network Load Balancingcluster in the network neighborhood and can connect to various services by using the web.contoso.comname. The web.contoso.com Network Load Balancing cluster is configured with only one port rule. Youneed to configure the web.contoso.com Network Load Balancing cluster to accept only HTTP traffic. Which two actions should you perform?()ALog on to one of the cluster nodes and run the wlbs disable all command.BOpen the Network Load Balancing Clusters console and delete the default port rules.COpen the Network Load Balancing Clusters console and create a new Allow rule for TCP port 80.DOpen the Network Load Balancing Clusters console and change the default port rule to a disabled port range rule.

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 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.

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.

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 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.