Capacity Planning Strategies in IT Resources

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Questions and Answers

Who is mentioned as a Turing award winner for contributions to AI in the text?

  • Mark Zuckerberg
  • Bill Gates
  • John McCarthy (correct)
  • Larry Page

Which company launched the Elastic Compute Cloud (EC2) service in 2006?

  • Facebook
  • Amazon (correct)
  • Salesforce
  • Google

What is the main concept behind cloud computing according to the text?

  • Hardware-based storage
  • Mainframe computing
  • Offline computing
  • On-demand network access (correct)

Which service provider offers Google DOCS, a fully web-based application for online documentation creation and collaboration?

<p>Google (C)</p> Signup and view all the answers

In what year was the Platform-as-a-Service (PaaS) offered by Google introduced?

<p>2009 (D)</p> Signup and view all the answers

What did John McCarthy predict in 1961 that computing may someday be organized as?

<p>A public utility (C)</p> Signup and view all the answers

What are the three main business drivers for cloud computing mentioned in the text?

<p>Cost reduction, Operational overhead, Organizational agility (A)</p> Signup and view all the answers

Which technology innovation is focused on duplication of key infrastructure servers to ensure high availability?

<p>Cluster computing (D)</p> Signup and view all the answers

What is the main goal of capacity planning in IT?

<p>Determining future demand for resources (C)</p> Signup and view all the answers

What is an essential characteristic of cluster computing according to the text?

<p>Group of independent IT resources interconnected as a single system (C)</p> Signup and view all the answers

Which technology concept involves distributed heterogeneous computing resources connected by the internet?

<p>Grid computing (C)</p> Signup and view all the answers

Which feature do grids and clouds have in common based on the text?

<p>Load balancing and failover control (A)</p> Signup and view all the answers

What is a benefit of using the cloud as mentioned in the text?

<p>Increased reliability (B)</p> Signup and view all the answers

In the context of cloud benefits, what does the example of purchasing 5,900 compute cores illustrate?

<p>Cloud computing is more cost-effective due to scalability (C)</p> Signup and view all the answers

What is a risk associated with using the cloud mentioned in the text?

<p>Limited portability among clouds (A)</p> Signup and view all the answers

Which factor contributes to reduced operational governance in cloud computing?

<p>Abstracted infrastructure management (C)</p> Signup and view all the answers

What is a drawback of early cloud systems according to the text?

<p>Vendor lock-in leading to limited portability (B)</p> Signup and view all the answers

How is the quality and stability of cloud resources described in the text?

<p>Varied and abstracted (A)</p> Signup and view all the answers

What is the main goal of capacity planning?

<p>To minimize the discrepancy between available resources and demand (C)</p> Signup and view all the answers

What is the consequence of over-provisioning IT resources?

<p>Too much infrastructure and high costs (B)</p> Signup and view all the answers

Which strategy adds capacity in anticipation of demand?

<p>Lead strategy (preprovisioning) (B)</p> Signup and view all the answers

What does virtualization simulate via software?

<p>Physical hardware resources (C)</p> Signup and view all the answers

What is a key difference between horizontal scaling and vertical scaling?

<p>Vertical scaling requires additional server setup (A)</p> Signup and view all the answers

What is the benefit of cloud computing for businesses?

<p>Elimination of large capital investments in physical infrastructure (A)</p> Signup and view all the answers

What does a cloud provider leverage through the acquisition and management of large-scale IT resources?

<p>Optimization of costs in regions with high electricity prices (C)</p> Signup and view all the answers

What do Service-level-agreements (SLAs) establish expectations for?

<p>Uptime, security, availability, reliability, and performance (A)</p> Signup and view all the answers

In the context of cloud benefits, what does 'on demand access to pay-as-you-go resources' mean?

<p>Resources are available for short-term usage with payment based on consumption. (A)</p> Signup and view all the answers

What does 'abstraction of server infrastructure' refer to in cloud computing?

<p>Resources being independent of the underlying physical hardware. (A)</p> Signup and view all the answers

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