单项选择题

A. Dual power feeds will make the installation difficul……

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.

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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

单项选择题During a planning session，it is determined that both nodes in a mutual takeover cluster will provide NFS mounts to a variety of Unix hosts. What is the first consideration that must b4e taken into account when using NFS with HACMP？（）

A. AIX Connections will need to be installed to provide the NFS shares.
B. Mutual takeover cluster cannot provide NFS services from both nodes.
C. The major number for the volume groups needs to be the same on both nodes.
D. The no option rfc 1323 must be set to 1 and the number of biods need to be adjusted to provide reasonable response times.

单项选择题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.