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CompTIA Exam CV0-003 Topic 1 Question 85 Discussion

Actual exam question for CompTIA's CV0-003 exam
Question #: 85
Topic #: 1
[All CV0-003 Questions]

An integration application that communicates between different application and database servers is currently hosted on a physical machine. A P2V migration needs to be done to reduce the hardware footprint. Which of the following should be considered to maintain the same level of network throughput and latency in the virtual server?

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Suggested Answer: C

SR-IOV stands for Single Root I/O Virtualization, which is a technology that allows a physical network adapter to be partitioned into multiple virtual functions (VFs) that can be directly assigned to virtual machines (VMs). This way, the network traffic bypasses the software layer of the hypervisor and the virtual switch, and goes directly from the VM to the physical adapter. This reduces the CPU overhead, the network latency, and the packet loss, and improves the network throughput and scalability. SR-IOV can achieve near-native performance for network-intensive applications, such as an integration application that communicates between different application and database servers. By enabling SR-IOV capability on the physical server and the virtual server, the P2V migration can maintain the same level of network throughput and latency as the original physical machine.Reference:High performance network virtualization with SR-IOV;Supercharge Your Network Throughput via Single Root I/O Virtualization (SR-IOV);Overview of Single Root I/O Virtualization (SR-IOV).


by Mertie at Jun 28, 2024, 10:34 PM

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Shayne
5 months ago
That could also be a good option to maintain network performance.
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Stephaine
5 months ago
What about upgrading the physical server NICs to support 10Gbps?
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Bo
5 months ago
I agree with Shayne, SR-IOV can help maintain network throughput.
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Kenda
5 months ago
C is the clear winner here. SR-IOV is the secret sauce for maintaining low latency in a virtual setup. Anything else is just a band-aid.
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Nickole
4 months ago
Definitely, it's the best option for maintaining network throughput and latency.
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Percy
4 months ago
I agree, enabling SR-IOV capability is the way to go.
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Shayne
5 months ago
I think we should consider enabling SR-IOV capability.
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Leota
5 months ago
Hah, D is just plain silly. Increasing swap size? That's like trying to fix a flat tire by adding more air to the spare.
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Argelia
4 months ago
We should focus on options like upgrading the physical server NICs or enabling SR-IOV capability.
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Argelia
4 months ago
I agree, increasing swap size won't help with network throughput.
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Devon
5 months ago
I'm not sure, but I think B might work too. More vCPUs could help handle the network traffic, right?
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Dell
6 months ago
Definitely C. SR-IOV is the way to go for high-performance networking in a virtual environment. Anything less and you'll be stuck in the slow lane.
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Brock
5 months ago
Adding more vCPU won't necessarily improve network throughput, so C is definitely the best option.
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Tawanna
5 months ago
I agree, SR-IOV is essential for maintaining network performance in a virtual server.
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