单选题Node ’C’ has just completed reintegration in a three-node cluster. The hacmp.out logifle displays  The event node_up_complete for Node ’C’. The cluster administrator wishes to verify that the cluster is stable.  In addition to reviewing the cluster log

第1题：

A new HACMP maintenance level has recently been released. An administrator is creating a  project plan that is required for applying the updates for a three-node production cluster.  To minimize downtime，what is the best way to accomplish the updates on all cluster nodes？（）  

• A、 Perform a graceful takeover one node at a time and apply the updates.
• B、 Perform the updates on all nodes simultaneously using C-SPOC utilities.
• C、 Perform the updates on node at a time with the cluster software active.
• D、 Perform a graceful stop of all cluster nodes and apply updates to all nodes.

第2题：

During a cluster functionality test， and administrator performs a graceful stop for Node ’B’ in a three-node cluster. What is the expected state of the cluster after Node ’B’successfully completes？（）  

• A、 All cluster resources halt on Node ’B’，and one or both surviving nodes will gracefully acquire the resources.
• B、 All cluster processes halt on Node ’B’，the cluster resources remain active，and the remaining  nodes take no action.
• C、 All cluster processes stay active on Node ’B’，cluster resources are halted，and the remaining nodes take no action.
• D、 All cluster resources will stop，cluster processes halt on Node ’B’，and the remaining cluster nodes take no action.

第3题：

A cisco router is booting and has just completed the POST process.It is now ready to find and load an IOSimage.what function does the router perform next?（）

• A、It checks the configuration register
• B、It attempts to boot from a TFTP server
• C、It loads the first image file in flash memory
• D、It inspects the configuration file in NVRAM for boot instructions

第4题：

During the initial cluster design，a disk heartbeat，Point-to-Point non-IP network is being planned  as part of a three-node cluster implementation. The disk environment will use LVM mirroring for disk redundancy. The volume groups will be created as Enhanced Concurrent Capable.  To facilitate disk heartbeating，how many disks per node and how many networks will be required？（）  

• A、 One disk per node，one network
• B、 Two disks per node，one network
• C、 Two disks per node，six networks
• D、 Two disks per node，three networks

第5题：

An administrator is notified that a resource group has failed over from the home node， Node1 to a standbynode， Node2 and that Node1 has been powered off. Upon restarting Node1 the administrator checks the AIXerror log and the cluster.log Which of the following is the most likely cause of the failure of Node1？（）

• A、The operating system crashed
• B、A disk failure forced a volume group off line
• C、The System Resource Controller executed a system halt
• D、The topology services daemon has crashed due to an ODM mismatch

第6题：

Company.com has installed HACMP and is configuring a three-node cluster. One of the Applications  uses the AIX hostname as a key for authorization to execute on the specific computer. The application vendor was contacted and consented to having multiple copies of the application but required that only one application be active at any one point in time.  How can the AIX host name dependency be managed in an HACMP environment.（）  

• A、 It cannot be managed because the application will not work properly with HACMP.
• B、 The application start and stop script for the application can manage the hostname.
• C、 HACMP will require customization to correctly manage a change in the hostname since it is tied to the primary network adapter.
• D、 HACMP will have to be restarted if the hostname is changed. This can be done with customization in the node_up and node_down event scripts.

第7题：

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.

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第13题：

A customer has a resource group rg1 configured on a two node cluster with the following policies：The customer has observed the following scenarios as nodes join the cluster during cluster start up. Scenario 1 Node1 joins cluster as first node - rg1 is acquired by Node1 Node2 joins cluster as second node - rg1 ismoved from Node1 to Node2 Scenario 2 Node2 joins cluster as first node - rg1 is acquired by Node2 Node1 joins cluster as second node - rg1 remainson Node2 Which of the following is the reason for this behavior？（）

• A、rg1 is configured with a delayed fallback timer
• B、Settling time policy has not been configured for rg1
• C、Node1 does not have sufficient resources to support rg1
• D、Node2 is the first in the ’Default Node Priority’ list for resource group rg1

第14题：

Company.com has a three-node cluster （Node ’A’， Node ’B’， and Node ’C’） with three resource  Groups （rg1， rg2， and rg3）. Node ’A’ has twice as many CPUs and twice as much memory as the two test add development Nodes ’B’ and ’C’. During normal production processing， all resource groups are active on Node ’A’.  What is most efficient way to configure the cluster to manage the workload？（）   

• A、 Use thee cascading resource groups where ’rg1’ and ’rg2’ fallover to Node ’B’ and ’rg3’ falls over to Node ’C’
• B、 Use Dynamic Node Priority resource groups with a priority chain consisting of Node ’A’ then Node ’B’ then Node ’C’
• C、 Use three rotating resource groups with ’rg1’ and ’rg2’ falling over to node ’B’ and ’rg3’ falling over to Node ’C’
• D、 Upgrade Nodes ’B’ and ’C’ to be equal to Node ’A in CPU and memory resources to enable the cluster to synchronize three resource groups

第15题：

A technician has just completed a CPU upgrade on a motherboard. Which of the following will MOST likely cause the PC not to boot?（）

• A、The technician used generic thermal paste.
• B、The processor had pins broken during installation.
• C、The memory is incompatible with the new CPU.
• D、An incorrect fan size was installed on the heatsink.

第16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.

第17题：

A basic TCP/IP configuration on the system has just been completed. A remote system can be pinged by IP address but not by hostname. Which of the following actions should be performed next in an effort to successfully ping using the hostname?（）

• A、Check routing
• B、Check inetd.conf
• C、Check /etc/resolv.conf
• D、Check interface with ifconfig

第18题：

You notice that a job in a chain has not completed on a nonconstrained RAC database. Which of these are valid reasons why that might occur？（）  

• A、 The job priority is 1 and the resource consumer group CPU emphasis allocation is a low percentage.
• B、 The job affinity is to a service and one node in that service is unavailable.
• C、 The job affinity is to an instance and that instance is unavailable.
• D、 There is no service affinity.
• E、 None of the above.

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