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 "

第1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.

第2题：

During Company.com planning session， the network administrator discusses the requirements of having a persistent MAC address associated with the IP Service address.  How can this be accomplished using HACMP？（）  

• A、 Enable routed to handle dynamic route creation.
• B、 Use IPAT via IP aliasing and define the required MAC address.
• C、 Add the Service IP Label to the /etc/cluster/ping_client_list.
• D、 Use IPAT via IP replacement and define the required MAC address.

第3题：

Defining an HACMP cluster using the Initialization and Standard Configuration menu is limited to the use of：（）  

• A、 IPAT via IP aliasing
• B、 Custom Resource Groups
• C、 Heartbeating over IP Aliases
• D、 Concurrent Capable Volume Groups

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.

第5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

第6题：

During Company.com planning session， the discussion focuses on how the IP connections are  Managed after a cluster node failure. This is critical for the business since their production application is a Lotus Domino solution requiring multiple IP addresses and recovery time is critical.  What type of IPAT implementation would best address these requirements？（）  

• A、 IPAT via IP aliasing
• B、 IPAT via IP replacement
• C、 IPAT via IP aliasing using HWAT
• D、 IPAT via IP replacement using HWAT

第7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.

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第13题：

A pSeries technical specialist is configuring the network adapters for an HACMP cluster.  The plan is to use a four-port Ethernet adapter with IPAT via IP aliasing for the two service IP labels.  Which of the following would be a critical concern with the proposed configuration？（）

• A、A four-port adapter is not supported.
• B、The four-port adapter is a single point of failure.
• C、There should be a spare port for each service IP label.
• D、The four-port adapter could be a potential performance bottleneck.

第14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’.

第15题：

Company.com has a resource group that contains a database that is accessed by a web client  based on another system. The communication to the database is TCP/IP. Occasionally after a failure， the end users get unusual error messages that indicate the database server is not available. It has been determined that the web server is trying to access the database server’s information before it has completed file system recovery after a failure.  How can HACMP affect this problem？（）   

• A、 HACMP can resequence the order to the starting of the various resource group elements by utilizing Dynamic Node Priority.
• B、 The order of dependency can be controlled though the HACMP resource group configuration if the web server was made to be part of the HACMP cluster.
• C、 HACMP can delay making the network label available until after the filesystem checks have completed with the "filesystem mounted before IP is configured".
• D、 The IP service label can be in a second resource group allowing the sequential processing of resource groups to control when the IP service label is made available.

第16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.

第17题：

Company.com is considering converting from IPAT via replacement to IPAT via IP aliasing. What condition of IPAT via IP aliasing must be taken into consideration？（）

• A、 The clients must support gratuitous ARP.
• B、 The network type must support gratuitous ARP.
• C、 Additional TCP/IP interfaces must be allocated for backup in case of failure.
• D、 Using IPAT via IP aliasing will reduce the number of rotating resource groups that can be used.

第18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 node
• B、 A single adapter network using persistent addresses on the Network Interface Card in each node
• C、 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

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