单项选择题

A. There is not an adequate solution because HACMP shou……

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.

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单项选择题During a planning session， Company.com expresses concern about the behavior of the nodes When HACMP is installed. Once department is reliant on an older piece of equipment that is critical to operations and must communicate to the database server. Previous network changes indicated that this piece of equipment does not support gratuitous ARP. How can HACMP best incorporate this restriction into the cluster design？（）

A. The administrator must use Hardware Address Take over with HACMP.
B. The clsmuxpd process and the contents of the /etc/cluster/ping_client_list can address the issue.
C. HACMP does not have any facility to be compatible with older devices that have limited capabilities.
D. HACMP can use either hardware address take over，or clinfo can update the arp cache of the clients when an adapter event occurs.

单项选择题Company.comhasanapplicationthatrequiresaserialconnectionforElectronicDataInterchange.WhatmustbedonetointegratortheserialconnectionintoanHACMPcluster？（）

A. Use an RS3232/422 serial Y cable.
B. Alter the device settings to 9600 8/n/1 xon/xoff.
C. Use a network based terminal server for the serial connection.
D. Nothing because HACMP does not support native serial connection fallovers.

单项选择题Company.com has a new computer room that will be used to house a new HACMP cluster. Onceof the outstanding features of the new computer room was the new large air conditioner. This unit has enough excess capacity for more than double the planned amount of equipment. Another feature of this computer room was the dual electric supplies to the room housed in two separate power panels. How would this impact the overall availability of the environment？（）

A. Dual power feeds will make the installation difficult to manage and less high available.
B. The single air conditioner is a single point of failure and the customer should be made aware of the issue.
C. The single air conditioner is a single point of failure and HACMP should be customized to compensate for the issue.
D. A single power feed should be used to avoid ground loops in the computer room causing premature failure of the systems.

单项选择题Company.com has several network adapters configured as backup paths using the Virtual IP Addressing and dynamic routing of AIX. A second node needs to be added to the environment to crate a cluster. What considerations must be addressed during the planning session？（）

A. HACMP supports most types of networks，including Virtual IP Addressing by AIX.
B. If HACMP IP aliasing is used，the devices may be the Virtual IP type used by AIX.
C. Using the AIX Virtual IP Addressing scheme HACMP can provide near fault tolerant availability of the network.
D. The AIX Virtual Addressing mechanism is not supported by HACMP，but a similar configuration can be created in HACMP.

单项选择题A database administrator wants a unique IP address for each of three instances of a database. Normally，all instances run on a large production node，but they may fallover to different standby nodes according to the dynamic node priority configuration. What is the best way to obtain unique addresses for each of the three database instances？（）

A. There is no way since this cannot be configured with HACMP
B. Use IP Replacement address takeover and define all service addresses on the same NIC
C. Use IP Aliasing for address takeover and define each alias in a separate resource group
D. Use EtherChannel to map the three alias IP addresses to the common service address defined to HACMP