A. A startB. A ringC. A target mode fcD. A target mode ……

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.

单项选择题A cluster with 10 adapters per node is converted to use IPAT address takeover vial IP aliasing.  During the conversion， the customer ran out of IP subnets in the allocated range.  What feature in HACMP can help resolve this issue？（）

A. Disk based heartbeats
B. Heart beating via IP aliasing
C. IP aliases for the non-service addresses
D. A single subnet for all non-standby adapters

单项选择题Due to recent changes in infrastructure， a four-node cluster has been split into two locations， but  is still listed as a single site in HACMP. The location split has proceeded smoothly， the only exception being the serial heartbeats. There are constant errors causing the serial network to go up and down.  What is the best solution to resolve this issue？（）

A. Install the dialback failsafe optional filesets.
B. Change the speed parameter in "smitty tty" to be 38400，8，N，1.
C. Install additional rsct filesets required for non null modem connections.
D. Change the parameters in the Network Module to stop RSCT from changing the speed of the line.

单项选择题Company.com has decided to implement virtual hosts in their web server. The current estimate is to create six virtual hosts with unique URL’s and IP addresses. The solution is going to use the IP aliasing faction in HACMP.  How many resource groups are required to support this configuration？（）

A. 1
B. 2
C. 6
D. 7