A cluster administrator has been asked to install HACMP on two nodes with the following  hardware：  
-two CPUs， - 1GB RAM， - one 1 36GB drive， -two 10/100/1000 Ethernet adapters， and -GB Fibre Channel adapters dual attached to SAN storage. 
In order to eliminate single points of failure，the administrator should first add which of the following：（）   

单项选择题Whilereviewingclusterlogs，andadministratornoticethatanevent，network_downrs232a，occurredonthepreviousday.Afterverifyingthephysicalnetworkconnectionsanddevicestates，whatcommandcanbeusedtoverifytheclusterstate？（）

A. clstat
B. cllsif
C. clsnapshotinfo
D. clcheck_server

单项选择题Whatisrequiredduringtheinitialcreationofacluster？（）

A. Nothing，because HACMP will discover the configuration
B. The cluster name and a TCP/IP path to each of the nodes
C. The cluster name and ID and a TCP/IP path to each of the nodes
D. The cluster name and ID node names and a TCP/IP path to each of the nodes

单项选择题Whenconfiguringnon-IPpoint-to-pointnetworksonclustersthatarelargerthantwonodes，whichTypeofconfigurationshouldbedefined？（）

A. A start
B. A ring
C. A target mode fc
D. A target mode scsi

单项选择题While performing LVM maintenance， the volume group datavg1 was exported and re-imported.  The volume group is varied online， and the filesystems have been mounted. However， the database will not start.  What action would most likely resolve this problem？（）

A. Perform a shown command on the VG device files.
B. Perform a syncvg to validate VG integrity.
C. Perform a redfinevg to correct the VGDA state.
D. Perform a synchlvodm to correct the LV ownership.

单项选择题TheClusterAdministratorwantstousediskheartbeatsasanon-IPnetwork.WhatVolumeGroupconsiderationmustbeaccountedforpriortoconfiguringdiskheartbeats？（）

A. The Volume Group major number must be the same on all nodes.
B. The Shared Volume Group must be created with the Big VG format.
C. The Volume Group must be created as Enhanced Concurrent Capable.
D. The "t factor" must be doubled to create the reserved area for disk hearbeats.