Cloud Computing — Part 2 MCQs with Explanations

Option A: amazon s3 is highly reliable Amazon S3 (Simple Storage Service) is known for its high reliability. It provides 99.999999999% (11 nines) durability, ensuring that data is safe and can be retrieved without loss. Therefore, this statement is correct. Option B: amazon s3 provides large quantities of reliable storage that is highly protected Amazon S3 indeed offers a vast amount of storage and is designed with robust security features. It employs encryption for data at rest and in transit, along with access control mechanisms. This statement is also correct. Option C: amazon s3 is highly available Amazon S3 is designed for high availability, boasting 99.99% availability, meaning users can access their data almost all the time. Thus, this statement is accurate as well. Option D: none of the mentioned This option suggests that all previous statements are correct. Since Options A, B, and C are indeed correct regarding Amazon S3, this option can be concluded as correct as well. Conclusion: The question asks which statement is wrong about Amazon S3. Since all provided options (A, B, and C) are true, the correct answer is Option D: none of the mentioned.

Option A: CAS * CAS stands for Cloud Architecture Stack. * It is a model that defines the components of a cloud computing infrastructure. * It includes the hardware, software, and networking components that make up a cloud environment. * However, CAS is not the Cloud Reference Model. Option B: CSA * CSA stands for Cloud Security Alliance. * It is a non-profit organization that promotes cloud security. * CSA has developed a set of standards and best practices for cloud security. * However, CSA is not the Cloud Reference Model. Option C: SAC * SAC stands for Service Assurance Cloud. * It is a framework for assessing the quality of cloud services. * SAC provides a set of metrics and KPIs for measuring cloud service performance. * However, SAC is not the Cloud Reference Model. Option D: None of the mentioned * This is the correct answer. * The Cloud Reference Model is a conceptual framework that defines the components and relationships of a cloud computing system. It is not a specific hardware or software stack. * The Cloud Reference Model serves as a reference architecture for cloud providers and consumers, helping them understand and implement cloud computing solutions. **Conclusion:** The Cloud Reference Model is a conceptual framework, not a specific hardware or software stack. It provides a high-level overview of a cloud computing system, serving as a reference for cloud providers and consumers. None of the options mentioned (CAS, CSA, or SAC) directly corresponds to the Cloud Reference Model.

JEOS is a term used in cloud computing. It's a short form, and understanding what it stands for is key to understanding how cloud resources are managed. Let's look at the options: Option A, "joint expensive operating system," and Option B, "just expensive operating system," don't make sense in the context of cloud computing. The word "expensive" isn't typically associated with the core concept of JEOS. Option D, "joined environmental operating system," is also incorrect. It doesn't accurately describe the functionality or purpose. The correct answer is Option C, " just enough operating system ." This means that the operating system provided in a cloud environment only includes the minimum necessary components to run the required applications. It's a lean and efficient approach, reducing resource usage and improving performance. This is a very common practice in cloud environments to optimize costs and improve security.

sitemaps is the correct answer to “Which of the following protocol lets a Web site list in an XML file information”. This question is standard in competitive examination syllabi for Cloud Computing.

amazon simple storage system is the correct answer to “Which of the following is an online backup and storage system”. This question is standard in competitive examination syllabi for Cloud Computing.

univa ud is the correct answer to “Which of the following is application and infrastructure management software for hybrid multi-clouds”. This question is standard in competitive examination syllabi for Cloud Computing.

SaaS is an operating environment with applications, management, and the user interface is the correct answer to “Point out the correct statement.”. This question is standard in competitive examination syllabi for Cloud Computing.

client, server is the correct answer to “Two main components in Docker are:”. This question is standard in competitive examination syllabi for Cloud Computing.

NonSQL is the correct answer to “Dynamodb is . . . . . . . . type of storage”. This question is standard in competitive examination syllabi for Cloud Computing.

auto scaling is the correct answer to “Which of the following feature is used for scaling of EC2 sites”. This question is standard in competitive examination syllabi for Cloud Computing.

sometimes this constraint is relaxed slightly to allow each layer to use all the layers below it is the correct answer to “What is Relaxed Layered Style”. This question is standard in competitive examination syllabi for Cloud Computing.

supervisory control is the correct answer to “The control in SCADA is”. This question is standard in competitive examination syllabi for Cloud Computing.

cyber-physical system is the correct answer to “. . . . . . . . is an embedded system which meshes the computing process with the physical world in the form of an interactive as well as intelligent system”. This question is standard in competitive examination syllabi for Cloud Computing.

All of the above is the correct answer to “Storage classes available with Amazon s3 are -”. This question is standard in competitive examination syllabi for Cloud Computing.

amazon simple queue service is the correct answer to “Which of the following is a message queue or transaction system for distributed Internet-based applications”. This question is standard in competitive examination syllabi for Cloud Computing.

virtualization is the correct answer to “. . . . . . . . enables the migration of the virtual image from one physical machine to another.”. This question is standard in competitive examination syllabi for Cloud Computing.

1990s is the correct answer to “When did the SCADA start”. This question is standard in competitive examination syllabi for Cloud Computing.

Vendor lock-in is the correct answer to “. . . . . . . . is a function of the particular enterprise and application in an on-premises deployment.”. This question is standard in competitive examination syllabi for Cloud Computing.

dma is the correct answer to “The method which offers higher speeds of I/O transfers is . . . . . . . .”. This question is standard in competitive examination syllabi for Cloud Computing.

Amazon DevPay is the correct answer to “Which of the following is a billing and account management service”. This question is standard in competitive examination syllabi for Cloud Computing.

RightScale is the correct answer to “Which of these companies specializes in cloud computing management tools and services”. This question is standard in competitive examination syllabi for Cloud Computing.

TRUE is the correct answer to “Cloud providers provide cloud services to the cloud users.”. This question is standard in competitive examination syllabi for Cloud Computing.

throughput is the correct answer to “$$\pi = \frac{{\text{n}}}{{\text{T}}},\,\,{\text{total}} = \frac{{\text{n}}}{{\left[ {{\text{kTo}} + {\text{Te}}\left( {{\text{n}},{\text{m}}} \right)} \right]}}$$ The above equa on calculates the value of which of the following”. This question is standard in competitive examination syllabi for Cloud Computing.

all of the mentioned is the correct answer to “Which of the following is a compliance standard”. This question is standard in competitive examination syllabi for Cloud Computing.

TRUE is the correct answer to “Marshalling is the process of transforming an in-memory representation of an object into a data format.a”. This question is standard in competitive examination syllabi for Cloud Computing.

vmm is the correct answer to “Which of the following provide system resource access to virtual machines”. This question is standard in competitive examination syllabi for Cloud Computing.

ws-bpel is the correct answer to “Which of the following provides commands for defining logic using conditional statements”. This question is standard in competitive examination syllabi for Cloud Computing.

serp is the correct answer to “Based on PageRank algorithm, Google returns . . . . . . . . for a query that is parsed for its keywords.”. This question is standard in competitive examination syllabi for Cloud Computing.

qos is the correct answer to “The . . . . . . . . is something that you can obtain under contract from your vendor.”. This question is standard in competitive examination syllabi for Cloud Computing.

partitioner is the correct answer to “Users can control which keys (and hence records) go to which Reducer by implementing a custom”. This question is standard in competitive examination syllabi for Cloud Computing.

The namenode need not update mapping between file name and block name is the correct answer to “If the IP address or hostname of a data node changes”. This question is standard in competitive examination syllabi for Cloud Computing.

personal area network (pan) is the correct answer to “a wireless telecommunications network for device-to-device connections within a very short range”. This question is standard in competitive examination syllabi for Cloud Computing.

PaaS is the correct answer to “For the . . . . . . . . model, the security boundary may be defined for the vendor to include the software framework and middleware layer.”. This question is standard in competitive examination syllabi for Cloud Computing.

All of the mentioned is the correct answer to “Which of the following is best known service model”. This question is standard in competitive examination syllabi for Cloud Computing.

SaaS is the correct answer to “When you add a software stack, such as an operating system and applications to the service, the model shifts to . . . . . . . . model.”. This question is standard in competitive examination syllabi for Cloud Computing.

atom publishing protocol is the correct answer to “Which of the following was developed an alternative to XML syndication by IETF”. This question is standard in competitive examination syllabi for Cloud Computing.

IaaS is the correct answer to “Which of the following provider rely on the virtual machine technology to deliver servers”. This question is standard in competitive examination syllabi for Cloud Computing.

Cloud Servers is the correct answer to “What is the name of Rackspace's cloud service”. This question is standard in competitive examination syllabi for Cloud Computing.

TRUE is the correct answer to “In some cases, it's also hard to map an object to XML (e.g., an object graph with cyclic references) because there's actually an impedance mismatch between an object model and an XML model.”. This question is standard in competitive examination syllabi for Cloud Computing.

all of the mentioned is the correct answer to “Service exporters that can export a bean as a remote service based on the :-”. This question is standard in competitive examination syllabi for Cloud Computing.