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CV0-002 · Question #308

A cloud administrator works for an online gaming company that is hosting its multiplayer servers in a public IaaS cloud. The following metrics are reported during a controlled beta test: RAM usage 80%

The correct answer is B. Increase network bandwidth on the multiplayer servers.. For an online gaming company experiencing poor performance and an 800ms average ping, the cloud administrator should first increase network bandwidth on the multiplayer servers.

Troubleshooting

Question

A cloud administrator works for an online gaming company that is hosting its multiplayer servers in a public IaaS cloud. The following metrics are reported during a controlled beta test:

RAM usage 80% Bandwidth usage 50% Average ping 800ms The beta test shows poor performance for gamers. Which of the following should the cloud administrator implement FIRST to improve the gamers' experience?

Options

  • AScale the deployment of multiplayer servers by doubling the number of VMs.
  • BIncrease network bandwidth on the multiplayer servers.
  • CIncrease the RAM on the multiplayer servers.
  • DDeploy multiplayer servers in public cloud locations closer to the user base.

How the community answered

(36 responses)
  • A
    25% (9)
  • B
    58% (21)
  • C
    6% (2)
  • D
    11% (4)

Why each option

For an online gaming company experiencing poor performance and an 800ms average ping, the cloud administrator should first increase network bandwidth on the multiplayer servers.

AScale the deployment of multiplayer servers by doubling the number of VMs.

Doubling the number of VMs primarily scales processing capacity and might distribute load, but it does not directly address an extremely high ping, which is fundamentally a network latency or congestion issue.

BIncrease network bandwidth on the multiplayer servers.Correct

An average ping of 800ms is extremely high and indicates severe network latency or congestion, which is critical for real-time online gaming performance. While 50% bandwidth usage might seem moderate, it could be an average, and increasing bandwidth on the multiplayer servers directly addresses potential bottlenecks at the server's network interface or uplink, offering the most immediate improvement for gamers.

CIncrease the RAM on the multiplayer servers.

RAM usage at 80% is high but generally acceptable, and while increasing RAM could slightly improve server processing, it is not the primary cause of an 800ms ping, which is clearly a network-related problem.

DDeploy multiplayer servers in public cloud locations closer to the user base.

Deploying servers closer to the user base is a good long-term strategy for reducing baseline ping due to geographical distance. However, an 800ms ping suggests a more immediate problem like network congestion or insufficient server-side bandwidth, which increasing server bandwidth (B) addresses more directly and immediately.

Concept tested: Troubleshooting IaaS network performance

Source: https://learn.microsoft.com/en-us/azure/virtual-network/network-latency

Topics

#Performance optimization#Network latency#Cloud regions#Gaming infrastructure

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