Companycom wants to reduce the number of copper, Ethernet adapters on their 4 way p5 570 running AIX 5.3 used in each of the four LPARs. Companycom has one database LPAR, two application LPARs, and one web LPAR. Only the Web LPAR needs to communicate with the outside world.
What is the minimum number of Ethernet adapters that should be provided to ensure redundancy and no single point of failure?（）

A system administrator is responsible for a vast and growing collection of dissimilar AIX systems. The verification of microcode levels and installation of new microcode is becoming increasingly unmanageable.
What tool can be used to discover the existence of new microcode and automate the download and installation?（）