2V0-21.23 Question 381
Select 2An administrator is tasked with configuring a virtual machine (VM) to run a latency-sensitive application that requires optimized CPU performance. The administrator must also ensure the application can utilize specific CPU cores on the host for consistent performance. Which combination of settings should the administrator configure to meet these requirements?
- A
Enable 'Latency Sensitivity' to High on the virtual machine.
- B
Configure CPU affinity to pin the VM to specific CPU cores.
- C
Enable VMware per-VM EVC for the virtual machine.
- D
Add additional vCPUs to the virtual machine.
- E
Disable memory sharing for the virtual machine.
Show answer and explanation
Correct answers: A, B
Explanation
Latency-sensitive VMs require specific configurations to ensure consistent and optimal performance. By setting 'Latency Sensitivity' to High, the VM is prioritized for low-latency operations, reserving resources such as CPU and memory. Additionally, CPU affinity can be used to pin the VM to specific physical CPU cores, ensuring predictable performance. Other options, such as VMware per-VM EVC or adding vCPUs, are not specifically related to addressing latency-sensitive requirements.
- A. Correct.
Enabling 'Latency Sensitivity' to High ensures the VM prioritizes low-latency operations by reserving resources like CPU and memory, which is crucial for latency-sensitive applications.
- B. Correct.
Configuring CPU affinity allows the VM to use specific physical CPU cores, providing predictable and consistent performance for applications that require dedicated CPU resources.
- C. Incorrect.
VMware per-VM EVC is used to ensure CPU compatibility across hosts in a cluster but does not directly affect latency or performance optimization.
- D. Incorrect.
Adding additional vCPUs may not necessarily optimize performance for latency-sensitive applications, and can lead to resource contention if not configured properly.
- E. Incorrect.
Disabling memory sharing is not directly related to optimizing latency or CPU performance for the VM.