1Y0-A25 · Question #104
Scenario: Nether Tech Inc. administrators have asked the on-site engineer to limit the amount of physical XenServer hosts that need to be online at any given moment in order to limit maintenance…
The correct answer is C. Workload Balancing to maximize density. See the full explanation below for the reasoning.
Question
Scenario: Nether Tech Inc. administrators have asked the on-site engineer to limit the amount of physical XenServer hosts that need to be online at any given moment in order to limit maintenance, management and power consumption. However, the administrators wish to have the option to add further resources to the production XenServer resource pools and want the process to be automated. What must the engineer configure to optimize the virtual servers according to the administrators' criteria? Citrix 1Y0-A25 Exam
Options
- AHigh Availability with failover
- BWorkflow studio to maximize density
- CWorkload Balancing to maximize density
- DWorkloadBalancing to maximize performance
How the community answered
(24 responses)- A4% (1)
- B17% (4)
- C71% (17)
- D8% (2)
Community Discussion
3C is your answer here. Workload Balancing set to maximize density is exactly what you want when the goal is consolidating VMs onto fewer physical hosts so you can power down the ones you do not need, and the automation piece means XenServer handles the redistribution for you when you do bring additional hosts into the pool rather than you doing it by hand.
Workload Balancing in maximize density mode is exactly what this scenario is calling for, because density mode consolidates VMs onto the fewest possible XenServer hosts and can power down underutilized ones automatically, which directly hits the power consumption and reduced-host-count requirements. High Availability handles failover continuity, not consolidation, so A is a trap if you read too fast. Workflow Studio is for automating multi-step IT processes, not VM placement decisions. The key differentiator between C and D is the word "density" versus "performance," and the scenario explicitly wants fewer hosts online, not maximum throughput per VM. Saw this exact question on my 1Y0-A25 sitting back when I was still running a mixed pool with a couple of older Dell 2950s I wanted to spin down on weekends. I almost second-guessed myself on D because "performance" sounds like the responsible answer, but then I re-read the line about limiting physical hosts online and it clicked immediately. Density mode with WLB is the only option that actually powers hosts off and redistributes load automatically without you touching anything. Went with C, flagged it anyway out of habit, came back and left it alone.
C is right, WLB density mode consolidates VMs onto fewer hosts. Does WLB also handle powering those empty hosts down automatically, or does that require a separate config?