Understanding The Power Grid and Computing Grids

What does the US National Institute of Standards and Technology (NIST) define cloud computing as?

A model for enabling limited access to computing resources
A model for enabling access to only network resources
A model for enabling on-demand access to a shared pool of computing resources (correct)
A model for enabling access to a private pool of computing resources

Which characteristic of cloud computing allows a consumer to provision computing capabilities automatically without requiring human interaction with each service provider?

On-demand self-service (correct)
Standard mechanisms
Heterogeneous client platforms
Broad network access

What is one of the standard mechanisms that cloud computing promotes for accessing capabilities over the network?

Laptops and workstations only
Thick client platforms only
Mobile phones only
Thin or thick client platforms (correct)

What is an essential characteristic of cloud computing related to consumer control over computing resources?

Unilateral provisioning of computing capabilities (D) Signup and view all the answers

Which type of access does cloud computing enable through standard mechanisms according to the text?

Broad network access through thin or thick client platforms (D) Signup and view all the answers

What kind of effort is required for provisioning and releasing configurable computing resources in cloud computing?

Minimal management effort or service provider interaction (D) Signup and view all the answers

What does Grid Computing primarily aim to share?

Data, computing power, and applications (D) Signup and view all the answers

What is the main purpose of a virtual organization in Grid Computing?

To allow people from different institutions to solve a common problem (D) Signup and view all the answers

Which of the following is NOT a benefit of Grid Computing?

Sharing only information (D) Signup and view all the answers

What does 'The Grid' refer to in the context of Grid Computing?

A network of computing resources (C) Signup and view all the answers

What should be transparent and seamless in Grid Computing?

The interactions with underlying layers (D) Signup and view all the answers

What is a key advantage of cloud computing in terms of software updates?

Automatic updates without additional costs (D) Signup and view all the answers

How does cloud computing improve document format compatibility?

By reducing format incompatibilities (D) Signup and view all the answers

Why is unlimited storage capacity considered an advantage of cloud computing?

Virtually limitless storage available (B) Signup and view all the answers

What distinguishes data reliability in cloud computing from desktop computing?

Higher data reliability in cloud computing (D) Signup and view all the answers

How does cloud computing affect the need for purchasing commercial software?

Reduces the need for commercial software purchases (A) Signup and view all the answers

What happens to your data if a computer crashes in the cloud?

Data is unaffected by the crash (A) Signup and view all the answers

What is a key advantage of using virtual machines?

Running operating systems where the physical hardware is unavailable (D) Signup and view all the answers

Why is cloud-sourcing becoming increasingly important?

To reduce the need for on-site IT personnel (C) Signup and view all the answers

Which of the following is a concern with cloud-sourcing?

Inadequate application features and choices (B) Signup and view all the answers

How does cloud storage benefit users?

Enables data to be temporarily cached on Internet-linked devices (B) Signup and view all the answers

What is a potential issue with cloud storage?

Lack of data security (A) Signup and view all the answers

What is a benefit of software testing using clean installs of operating systems and software?

Testing the software without potential interference from other software (C) Signup and view all the answers

What is a significant disadvantage of cloud computing?

It requires a constant internet connection (D) Signup and view all the answers

How does a low-speed Internet connection affect cloud computing?

It makes cloud computing painful or impossible (B) Signup and view all the answers

What is a limitation of many web-based applications today?

They are not as full-featured as their desktop-based counterparts (B) Signup and view all the answers

Why might web-based applications be slower than desktop software?

Everything about the program has to be sent back and forth from your computer to the cloud (A) Signup and view all the answers

What is a major concern for cloud computing in areas with unreliable Internet connections?

No work can be done due to lack of internet connection (C) Signup and view all the answers

What is a significant drawback of web-based applications compared to desktop applications?

They are less full-featured (A) Signup and view all the answers