SY0-501 · Question #525
A systems administrator is deploying a new mission essential server into a virtual environment. Which of the following is BEST mitigated by the environment's rapid elasticity characteristic?
The correct answer is D. Denial of service. Rapid elasticity in a virtual environment allows for dynamic resource scaling to meet fluctuating demands, which is most effective in mitigating denial of service attacks.
Question
A systems administrator is deploying a new mission essential server into a virtual environment. Which of the following is BEST mitigated by the environment's rapid elasticity characteristic?
Options
- AData confidentiality breaches
- BVM escape attacks
- CLack of redundancy
- DDenial of service
How the community answered
(52 responses)- A6% (3)
- B12% (6)
- C2% (1)
- D81% (42)
Why each option
Rapid elasticity in a virtual environment allows for dynamic resource scaling to meet fluctuating demands, which is most effective in mitigating denial of service attacks.
Rapid elasticity pertains to resource scaling and does not directly address the security controls, such as encryption or access management, required to prevent unauthorized access to sensitive data.
VM escape attacks are security vulnerabilities related to the hypervisor's isolation mechanisms or guest operating system flaws, which rapid elasticity does not inherently mitigate.
Rapid elasticity focuses on dynamically adjusting capacity to meet demand, whereas redundancy involves duplicating components or systems to ensure availability against individual component failures, a different mitigation strategy.
Rapid elasticity enables the virtual environment to automatically and quickly scale computing resources (e.g., CPU, RAM, network bandwidth) up or down in response to demand. This capability allows the system to absorb unexpected spikes in traffic or processing load caused by a denial of service attack, thereby maintaining service availability and mitigating its impact.
Concept tested: Cloud computing rapid elasticity characteristic
Source: https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-145.pdf
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