What is a challenge to consumers in adopting a public cloud?

Question

Options

• AHigh CAPEX
• BDelayed resource scaling
• CManagement overhead
• DVendor lock-in

• A
  12% (3)
• B
  4% (1)
• C
  4% (1)
• D
  81% (21)

Explanation

Cloud Challenges-Consumers' Perspective Business critical data requires protection and continuous monitoring of its access. If the data moves to a cloud model other than an on-premise private cloud, consumers could lose absolute control of their sensitive data. Although most of the cloud service providers offer enhanced data security, consumers might not be willing to transfer control of their businesscritical data to the Cloud service providers might use multiple data centers located in different countries to provide cloud services. They might replicate or move data across these data centers to ensure high availability and load distribution. Consumers may or may not know in which country their data is stored. Some cloud service providers allow consumers to select the location for storing their data. Data privacy concerns and regulatory compliance requirements, such as the EU Data Protection Directive and the U.S. Safe Harbor program, create challenges for the consumers in adopting cloud computing. Cloud services can be accessed from anywhere via a network. However, network latency increases when the cloud infrastructure is not close to the access point. A high network latency can either increase the application response time or cause the application to timeout. This can be addressed by implementing stringent Service Level Agreements (SLAs) with the cloud service Another challenge is cloud platform services may not support consumer's desired applications. For example, service provider might not be able to support highly specialized or proprietary environments, such as compatible OSs and preferred programming languages, required to develop and run the consumer's application. Also a mismatch between hypervisors could impact migration of virtual machines into or between clouds. Another challenge is vendor lock-in: the difficulty for consumers to change their cloud service provider. A lack of interoperability between the APIs of different cloud service providers could also create complexity and high migration costs when moving from one service provider to another.

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