CompTIA
CV0-004 · Question #17
A cloud engineer has provisioned a VM for a high-frequency trading application. After the VM is put into production, users report high latency in trades. The engineer checks the last six hours of VM m
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Troubleshooting
Question
A cloud engineer has provisioned a VM for a high-frequency trading application. After the VM is put into production, users report high latency in trades. The engineer checks the last six hours of VM metrics and sees the following:
- CPU utilization is between 30% to 60%.
- Networkln is between 50Kbps and 70Kbps.
- NetworkOut is between 3.000Kpbs and 5.000Kbps.
- DiskReadOps is at 30.
- DiskWriteOps is at 70
- Memory utilization is between 50% and 70%.
Which of the following steps should the engineer take next to solve the latency issue?
Options
- AMove to a network-optimized instance type as the network throughput is not enough.
- BModify the disk IOPS to a higher value as the disk IO is being bottlenecked at 100 IOPS.
- CIncrease the memory of the instance as the high-frequency trading application requires more
- DIncrease the instance size to allocate more vCPUs as the CPU utilization is very high.
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Topics
#Performance tuning#Network performance#Instance types#Troubleshooting