CV0-003 · Question #25
CV0-003 Question #25: Real Exam Question with Answer & Explanation
The correct answer is A: Access the cloud services portal and ensure memory ballooning is enabled.. Peak-time performance degradation in a virtualized community cloud environment is most likely caused by memory resource contention, and enabling memory ballooning allows the hypervisor to dynamically redistribute memory to VMs experiencing high demand.
Question
Options
- AAccess the cloud services portal and ensure memory ballooning is enabled.
- BAccess the cloud services portal and ensure there is adequate disk space available.
- CAccess the cloud services portal and ensure all users are accessing it through the same web
- DAccess the cloud services portal and ensure the ACLs are set correctly for the user community.
Explanation
Peak-time performance degradation in a virtualized community cloud environment is most likely caused by memory resource contention, and enabling memory ballooning allows the hypervisor to dynamically redistribute memory to VMs experiencing high demand.
Common mistakes.
- B. Insufficient disk space affects storage I/O and write operations but does not directly cause the application access delays users experience during concurrent peak load.
- C. Routing all users through a single web endpoint does not address underlying compute or memory resource contention and could actually increase latency by concentrating traffic through one access path.
- D. ACL misconfigurations cause access denial or authentication errors, not performance slowdowns - users who can reach the application at all are not being blocked by incorrect ACLs.
Concept tested. Memory ballooning for peak-time VM resource management
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