Tuesday, February 21, 2012

Aix Interview Questions

Q 1.  What is Virtualization?

Q2   What is micropartitioning?

Q3   What is Shared pool processor? How it works?

Q4 What is vCpu? How you define the vCpu values( min , desired & max)? What is the importance of vCpu?

Q5 What is the importance of desired vCPU and max vCpu?

Q6  Scenario based questions; What could be the maximum value can be defined to vCPu for a lpar if managed systems has total 6 physical CPU?

Q7  Scenario 2:- If physical CPU defined as min 1, desired 2 & max 4 where as vCpu defined as min 1, desired 3 and max4, then how any logical cpu you will see on a lpar concerning  power5,6 and power7?

Q8:- following above scenario who system will dispatch or use the CPU cycles.?

Q9:- What is capped and uncapped processor? What is the entitled Capacity incase of capped and uncapped CPU with example?

Q10:- Scenario :- In case of uncapped processor how load will be distributed on each lpar? During  peak time or during demand of extra Cpu by the lpar how the hypervisor will distribute the CPU from free pool or shared pool? How it defines the priority of allocating extra CPU to heavily loaded Lpar? Again if Lpar is weight is 98 and other lpar weight is 105 then how cpu will be distributed by hypervisor and in what ratio?

Q11 Is there any formula to calculate the vCpu distribution by hypervisor?

Q12What is ASM? How it works?

Q13 What is shared memory processor? How it works?

Q13 What is ASE (Active Shared memory Expansion)? How it works.

 Q14 What is turbo core? How it works? What is the benefit of turbo core? Do all power7 have this feature? How to enable or disable turbo core?

Q15 What is the difference between Power4, Power5 Power6 and Power7?

Q16 What is the difference between Aix 5.1, 5.2 , 5.3 and Aix 6.1?

Come on do some home work yourself;  that's why I have not posted the answers... Wait for more question I will post only when I get some response on above question, drop your answers...