单项选择题

Companycom has a system running AIX 5.2 and wants to upgrade to AIX 5.3. What method would provide the quickest recovery if the upgrade failed?（）

A.Use alt_disk_install
B.Backup image to NIM server
C.Backup using mksysb to DVD-RAM
D.Apply the upgrade and do not commit

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单项选择题

Companycom will be using Virtual IO Server to share Ethernet adapters. What can be done to prevent network failure of the client if a Virtual IO Server goes down?（）

A.Create two virtual adapters on the client， each one from a separate Virtual IO Server
B.Enable dead gateway detection on the client so that the network traffic can be rerouted
C.Have a spare network card on standby in the client in case the Virtual IO Server goes down
D.Create an etherchannel adapter on the client using one Virtual Ethernet adapter from two separate Virtual IO Servers

单项选择题

Companycom has seven days of vmstat data on four p5 590 production LPARs of four processors each. The data shows that all four LPARs have periodic utilizations of 90-95% lasting several minutes in duration. However, the average utilizations of the four LPARs were between 15-30%. The vmstat data shows that the peak utilizations of each LPAR do not occur at the same time.
Which of the following should be set up?（）

A.A shared pool with four capped LPARs
B.A shared pool with four uncapped LPARs
C.Four dedicated LPARs and use DLPAR to manage resources effectively
D.The server in SMP mode and use WLM to manage resources effectively