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 p

题目
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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相似问题和答案

第1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.

正确答案:C

第2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

第3题:

Your computer has a wireless network adapter installed. However, the computer fails to connect to the wireless network. You need to ensure that the computer is able to connect to the wireless network.What should you do?()

A.A

B.B

C.C

D.D


参考答案:D

第4题:

A system administrator wants to ensure that the cluster will failover if quorum is lost for appAvg in RG1 whichis mirrored between hdisk3 and hdisk5. Automatic error notification has been configured in this cluster. Which of the following actions should be usedto test that the cluster fails over correctly when quorum is lost for appAvg?()

  • A、Emulate the errpt entry from the HACMP Error Notification menu
  • B、Execute a custom test procedure from the HACMP Cluster Test Tool menu
  • C、Emulate the LVM_SA_QUORCLOSE event from the HACMP Event Emulation menu
  • D、Execute the automated test procedure from the HACMP Cluster Test Tool menu

正确答案:A

第5题:

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 configured
  • B、Only disk heartbeat networks have been used
  • C、Cluster nodes are attached to two IP networks
  • D、Resource Group dependencies have been configured

正确答案:C

第6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.

正确答案:A

第7题:

A user has changed their password using the passwd command, and notices that the change is only made tothe local node. When the administrator changes the user’s password from the command line using the passwd command thechange is made cluster-wide. What is the most likely cause of this problem?()

  • A、The user has a UID less than 200
  • B、The user has been defined as an administrative user
  • C、The file /usr/es/sbin/cluster/clpasswd is not executable by the user
  • D、The user needs explicit authorization to change their password cluster-wide

正确答案:D

第8题:

The server administrator discovers that a server, which has not been patched, is runningextremely slow and suspects that the server may have been compromised. Which of the following commands should the administrator use to check the number of network connections the server is making?()

  • A、netstat
  • B、ping
  • C、nslookup
  • D、grep

正确答案:A

第9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10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

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