Cluster, Grid And Cloud Computing Quiz! Trivia

Data analysis and business intelligence (BI) software development is part of both Platform as a Service (PaaS) and Software as a Service (SaaS). PaaS provides the platform and tools necessary for developers to build and deploy applications, including data analysis and BI software. SaaS, on the other hand, delivers software applications over the internet, allowing users to access and use them without the need for installation or maintenance. Therefore, data analysis and BI software development can be facilitated by both PaaS and SaaS models.

Amazon Beanstalk is a Platform as a Service (PaaS) offered by Amazon Web Services (AWS). PaaS provides a platform for developers to build, deploy, and manage applications without having to worry about the underlying infrastructure. With Beanstalk, developers can simply upload their code and the service takes care of provisioning and managing the necessary resources, such as servers, databases, and load balancers. This allows developers to focus on writing code and developing their applications, rather than managing the infrastructure.

The correct answer is CPU, RAM, and I/O resources. In Infrastructure as a Service (IaaS), computing resources are provided to users over the internet. CPU refers to the central processing unit, which is responsible for executing instructions and performing calculations. RAM stands for Random Access Memory, which is used for temporary data storage during program execution. I/O resources refer to input/output devices and operations, such as network connections and storage devices. These resources are essential for running applications and processing data in the cloud computing environment provided by IaaS.

Computing and load balancing cannot be provided by a SaaS (Software as a Service) because these services require direct access to the underlying hardware and infrastructure, which is typically not possible in a SaaS model. SaaS providers offer software applications that are accessed over the internet, and they handle the management and maintenance of the underlying infrastructure. However, services like performance monitoring, webmail, and instant messaging can be provided by a SaaS as they are software applications that can be accessed and utilized over the internet.

Service Oriented Architecture (SOA) is the correct answer because it is a software architectural approach that aims to unify business processes by structuring large applications as a collection of smaller, modular services. These services can be developed independently and can communicate with each other through well-defined interfaces. This approach allows for better reusability, flexibility, and scalability of the application, as well as easier integration with other systems. SOA promotes loose coupling between services, making it easier to update or replace individual modules without impacting the entire system.

Load balancing and DNS (domain name systems) are the two major network services provided by public cloud providers. Load balancing helps distribute incoming network traffic across multiple servers to ensure efficient resource utilization and prevent overload. DNS is responsible for translating domain names into IP addresses, enabling users to access websites and services using human-readable names. These two services are essential for maintaining high availability, scalability, and performance in cloud environments.

The correct answer is "Storage, Servers, Network and Management Tools." Datacenter infrastructure components consist of storage devices, servers, network equipment, and management tools. Storage devices are used to store and manage data, servers handle processing and computing tasks, network equipment enables communication between devices, and management tools are used to monitor and control the infrastructure components.

SaaS (Software as a Service) refers to a cloud computing model where software is accessed via the internet, eliminating the need for physical hardware. Therefore, SaaS does not require any additional hardware cost, as the software is hosted and maintained by the service provider. Users can access the software from any location and device, ensuring locational independence and cross-device compatibility. Additionally, SaaS offers scalability of usage, allowing users to easily adjust their subscription or usage levels as needed.

The correct answer is Workload Management Server (WMS). Logging and bookkeeping in a Grid system are handled by the WMS. This server is responsible for managing and distributing the workload across the computing elements in the Grid. It keeps track of the tasks being executed, monitors their progress, and records relevant information for auditing and analysis purposes. The WMS plays a crucial role in ensuring efficient resource utilization and providing a centralized control and management point for the Grid environment.

A website hosted on the cloud can benefit from on-demand scalability because it allows the website to easily handle fluctuations in traffic and user demand. With on-demand scalability, the website can quickly and automatically scale up or down its resources, such as computing power and storage, based on the current needs. This ensures that the website can handle high traffic periods without experiencing performance issues or downtime. It also allows the website to efficiently allocate resources and avoid unnecessary costs during low traffic periods. Overall, on-demand scalability enables the website to be flexible and responsive to changing demands, providing a seamless user experience.

PaaS (Platform as a Service) provides a higher level of abstraction above the hardware, operating system, and virtualization stack. This means that users of PaaS do not need to worry about managing the physical hardware, installing and maintaining the operating system, or dealing with the complexities of virtualization. Instead, they can focus on developing and deploying their applications on the platform provided by the PaaS provider. This abstraction layer simplifies the development and deployment process and allows developers to be more productive.

Network latency is not an advantage of cloud storage because it refers to the delay or lag in data transmission over a network. In cloud storage, network latency can affect the speed at which data is accessed or transferred, causing delays in retrieving or storing information. Therefore, it is not considered an advantage as it can impact the overall performance and user experience.

The IaaS service is designed to be highly resilient and able to handle failures, including the failure of an entire data center. IaaS providers typically have multiple data centers in different geographic locations to ensure high availability and disaster recovery. If one data center goes offline, the IaaS service can continue running using resources from other data centers. Therefore, the statement that the IaaS service is not able to run successfully if one entire data center goes offline is incorrect.

Facebook is an example of SaaS (Software as a Service) because it provides users with a platform to access and use its software applications over the internet, without the need for installation or maintenance on their own devices. Users can simply log in to their Facebook accounts and access various services such as social networking, messaging, and content sharing. Therefore, Facebook fits the definition of SaaS as a cloud-based software service provided to users on-demand.

The correct answer is Network because Platform as a Service (PaaS) refers to cloud computing services that provide a platform for developing, running, and managing applications. Integration, Data Analytics, and Development & QA all relate to the development and management of applications, which falls under PaaS. However, Network refers to the infrastructure and connectivity aspects, which are not specifically related to application development and thus do not fall under PaaS.

A Virtual Data Center (VDC) is a virtualized network of interconnected virtual servers. These virtual servers are created from physical servers but operate independently, allowing for greater flexibility and scalability. By utilizing virtual servers within a VDC, organizations can efficiently allocate resources, manage workloads, and easily scale their infrastructure as needed. This virtualization technology enables efficient utilization of hardware resources and provides a more cost-effective and flexible solution compared to traditional physical servers.

PaaS, or Platform as a Service, is a cloud service model that offers customers a configurable application platform with a pre-installed software stack. This means that users can access and utilize a ready-made platform for developing, testing, and deploying applications without having to worry about managing the underlying infrastructure or software stack. PaaS provides a convenient and efficient solution for developers, allowing them to focus on building and running their applications rather than dealing with the complexities of infrastructure management.

The Resource Broker is responsible for handling the Input and Output sandboxes in a computing environment. It acts as a mediator between the users and the available resources, managing the distribution of workload and ensuring efficient utilization of resources. The Resource Broker receives the user's job requests, evaluates the available resources, and assigns the job to an appropriate computing element. It also handles the transfer of input and output data between the user and the computing resources, ensuring that the sandboxes are properly managed and maintained.

Scalable pricing is not a pricing model for IaaS. Scalable pricing refers to the ability to adjust pricing based on usage or resource consumption. This is a feature or capability of IaaS providers rather than a specific pricing model. The other options, on-demand, prepaid (reserved), and auctioned, are all common pricing models for IaaS where customers pay for resources based on different criteria such as usage duration, upfront payment, or bidding in an auction.

The given answer states that the service not provided under Cloud Integration Services is to aggregate the services offered by multiple cloud providers and organize these services into a service catalog. This means that Cloud Integration Services do not include the functionality to combine and categorize services from different cloud providers into a unified catalog.

IaaS (Infrastructure as a Service) enables an enterprise to enhance its cloud hosting capabilities by providing virtualized computing resources over the internet. With IaaS, the enterprise can access and manage virtual machines, storage, and networking infrastructure, allowing them to scale resources up or down as needed. This flexibility and control make IaaS a suitable choice for enterprises looking to enhance their cloud hosting capabilities.

Logging, reporting, and code instrumentation are characteristics commonly associated with Platform as a Service (PaaS). PaaS provides a platform for developers to build, test, and deploy applications, offering features such as logging to track application events, reporting to analyze application performance, and code instrumentation to monitor and debug code. These features are essential for developers to effectively manage and optimize their applications in a PaaS environment.

Virtela provides computing services on the IaaS for public cloud platform.

The correct answer is Logging and Book keeping Services. In a Grid, the job queries are handled by the Logging and Book keeping Services. These services are responsible for recording and maintaining a log of all the activities and transactions that occur within the Grid. They keep track of job submissions, status updates, and resource allocations, providing a comprehensive record of the Grid's operations. This information is crucial for monitoring and auditing purposes, as well as for troubleshooting and performance analysis. The Logging and Book keeping Services ensure transparency and accountability in the Grid environment.

Amazon AWS is a market player in networking because it provides various networking services and solutions to its customers. These services include Amazon VPC (Virtual Private Cloud) which allows users to create a virtual network in the cloud, Amazon Route 53 for domain name system (DNS) web service, AWS Direct Connect for establishing a dedicated network connection between the customer's data center and AWS, and many more. With its robust networking capabilities, Amazon AWS enables businesses to efficiently manage and connect their resources in the cloud, making it a prominent player in the networking market.