单项选择题
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？（）
单项选择题 Company.com has a resource group that contains a database that is accessed by a web client based on another system. The communication to the database is TCP/IP. Occasionally after a failure， the end users get unusual error messages that indicate the database server is not available. It has been determined that the web server is trying to access the database server’s information before it has completed file system recovery after a failure. How can HACMP affect this problem？（）
单项选择题 Company.comhasdecidedtoimplementthe"FastDiskTakeover"and"DiskHeartBeat"featuresofHACMP.WhatIBMdistributionmediawillberequiredforadefaultinstallation？（）