Are you looking for Introduction to Cloud Exam Answers by Cognitive Class? If yes, this article will help you find all the questions and answers in the Cognitive Class Introduction to Cloud Quiz. I have followed this article to solve all the questions of this exam.
In this program, there are a lot of things to learn and explore that will help you in your cloud computing career. Things that you will be learning are the definition and essential characteristics of cloud computing, its history, emerging trends, and the business case for cloud computing. There are various cloud service models (IaaS, PaaS, Saas) and deployment models (Public Cloud, Private Cloud, Hybrid Cloud) and the key components of cloud architecture (Virtualization, VMs, Storage, Networking, Containers, Serverless).
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- IBM Cognitive Class – Introduction to Cloud Answers
- Module 1 – Overview of Cloud Computing
- Module 2 – Cloud Adoption and Emerging Technologies
- Module 3 – Cloud Computing Service and Deployment Models
- Module 4 – Components of Cloud Computing
- Module 5 – Cloud Storage
- Module 6 – Cloud Native and Emergent Cloud Trends
- Module 7 – Cloud Security, Case Studies and Jobs in Cloud Computing [Optional]
- Introduction to Cloud Final Exam Answers
- Wrap Up
IBM Cognitive Class – Introduction to Cloud Answers
Module 1 – Overview of Cloud Computing
1. In the US National Institute of Standards and Technology, NIST, definition of “cloud computing”, what does the statement “shared pool of configurable computing resources” include?
Explanation: These are all recognized as computing resources that can be configured as needed and shared.
2. What tasks do hypervisors accomplish? Select two.
Explanation: A hypervisor is a small software layer that enables multiple operating systems to run alongside each other, sharing the same physical computing resources. Hypervisors also separate virtual machines logically, assigning each its own slice of the underlying computing power, memory and storage, preventing the virtual machines from interfering with each other.
3. What are some of the cloud benefits that make it lower risk for enterprises to adopt cloud? Select two.
Explanation: Renting by the hour as opposed to the huge upfront cost of investing and re-investing in hardware and software make cloud adoption a low-risk option for enterprises. The speed and productivity provided by the cloud makes cloud adoption lower-risk for enterprises.
Module 2 – Cloud Adoption and Emerging Technologies
1. An IBM Institute for Business Value study says that more than three-quarters of enterprises today are using cloud computing to expand into new industries. What additional benefits do organizations find when adopting the cloud:
Explanation: Cloud enables businesses to respond quickly to marketplace changes, use analytics to understand customer experience, and to apply that understanding to adapt their products and service from what they learn.
2. What is the three-way symbiotic relationship between IoT, AI, and Cloud?
Explanation: This is the three-way relationship between IoT, AI, and Cloud.
3. What is the three-way relationship between blockchain, AI, and the Cloud?
Explanation: This is the mutually beneficial, three-way relationship between Blockchain, AI, and Cloud.
Module 3 – Cloud Computing Service and Deployment Models
1. Which are some of the key components of cloud infrastructure? Select two.
Explanation: In most IaaS models, end users do not interact directly with the physical infrastructure but experience it as a service provided to them. The cloud providers manage the hypervisors, but the virtual instances are provisioned by the end-users as per their needs.
2. According to the video, which of these statements are true of Virtual Private Clouds (VPCs)? Select two.
Explanation: A VPC is a public cloud offering that lets an organization establish its own private and secure cloud-like computing environment in a logically isolated part of a shared public cloud. While the infrastructure is tailored to an individual organization’s unique needs, it is still owned, managed, and operated by the public cloud service provider.
3. If an organization needs to run a highly sensitive and mission critical application with unpredictable performance and capacity requirements, which of the following models would best meet its requirements?
Explanation: With a Hybrid Cloud, organizations can choose to run their mission-critical applications on the private cloud while leveraging additional public cloud capacity to accommodate spikes in demand for their application.
Module 4 – Components of Cloud Computing
1. Is it possible to run completely different operating systems on Virtual Machines (VMs) that are on a single host? If yes, what makes this possible?
Explanation: Each VM works like an independent physical entity with its own Operating System, runtime environments and applications.
2. Which of these scenarios is ideal for the use of bare metal servers, as opposed to virtual servers? Select two.
Explanation: Since bare metal servers are dedicated and fully customizable, they can do what a customer wants in the most demanding environments. Bare metal servers are intended for high performance use in highly secure and isolated environments. Clients have full access and control of bare metal servers because they are dedicated for their use.
3. Subnets are the main area where security is implemented in the cloud. What is used to provide security at the virtual instance level in subnets?
Explanation: SGs provide instance level security.
Module 5 – Cloud Storage
1. Which of these are features of Object Storage? Select two.
Explanation: You don’t need an underlying compute node to connect to object storage, rather you can access it from anywhere using an API. With file and block storage, you specify the size of the storage and pay a fee based on the size you provisioned. With Object Storage, you consume as much storage as you need and pay-as-you-go.
2. There are four types of cloud storage available. Which storage type is ephemeral or non-persistent?
Explanation: Direct Attached storage, also known as “local storage”, is ephemeral as it is no longer accessible once the VM its attached to is de-provisioned.
3. What is the main benefit of a Content Delivery Network (CDN)?
Explanation: Load balancers observe all incoming network traffic and direct it to routers or servers that can handle the traffic.
Module 6 – Cloud Native and Emergent Cloud Trends
1. What are the key elements of a hybrid Multicloud strategy?
Explanation: Hybrid Multicloud strategy allows you to work across public and private clouds behaving as if they are part of the same infrastructure.
2. What is an attribute that distinguishes serverless computing from other compute models?
Explanation: The serverless model does require provisioning of servers, etc. but the provisioining and management of infrastructure is performed by the cloud service provider, not the users/developers.
3. Cloud adoption is an integral part of application modernization. What are the other two important components of modernization?
Explanation: the three key transformations that drive application modernization are cloud adoption, microservices architecture, and DevOps.
Module 7 – Cloud Security, Case Studies and Jobs in Cloud Computing [Optional]
1. What are some of the monitoring tools that help you to gain insights about your posture, compliance, and threats?
Explanation: A hypervisor is a software layer that helps build virtual environments or virtual machines. Flow logs help to monitor information about how the network resources are operating. This is a method for securing data so unauthorized people cannot read the protected data.
2. What is the role SecDevOps plays in cloud security?
Explanation: Security embedded through the DevOps cycle helps to ensure that the application runs on a safe platform, the code is free from vulnerabilities, and operational risks are understood.
3. The Weather Company migrated their weather web property to a secure, scalable, and global architecture in the IBM Cloud. What are some of the benefits they realized as a result of this migration? Select two.
Explanation: This is the business benefit realized by Cementos Pacasmayo which helped them expand their presence in new markets. Customer experience in the airlines business is increasingly dependent on digital self-service tools. American Airlines leveraged the cloud to help customers access instant information and services.
Introduction to Cloud Final Exam Answers
Note: The final exam has a 1-hour time limit
1. Which cloud deployment model lets users use multiple cloud models working together seamlessly?
Explanation: Hybrid model is the mix of both public and private clouds working together seamlessly.
2. Which of these are essential characteristics of the Cloud? Select two.
Explanation: Users can access cloud resources such as the processing power, storage, and network using a simple interface, without requiring human interaction with each service provider. Cloud resources are dynamically assigned and reassigned, according to demand, without consumers needing to concern themselves with the physical location of these resources.
3. What are some cloud computing benefits? Select two.
Explanation: Cloud services make some of the most innovative technologies available to enterprises while managing the underlying infrastructure, enabling organizations to focus on their priorities. Users can scale services as needed and customize applications. Cloud-based applications and data are available from anywhere with an internet connection. Cloud infrastructure scales on demand to support fluctuating workloads.
4. According to the International Data Corporation (IDC), what is that crucial ability that will make cloud computing essential for businesses to succeed, sustain, and compete in today’s markets?
Explanation: Considering the unprecedented amounts of data being produced daily and the ability to make data-driven decisions crucial to any business, the power, resources, and technologies available on the cloud will make cloud essential for businesses to succeed, sustain, and compete.
5. IoT, AI, Blockchain, and Analytics are emerging technologies enabled by the cloud. What are some of the attributes of cloud computing that enable these technologies? Select two.
Explanation: Emerging technologies such as IoT, AI, Blockchain, and Analytics process and generate an unprecedented amount of data. Cloud provides the scalability and processing power required to gather, store, and process this data. Cloud resources scale up and down in response to the workload demand, with users paying only for resources that they use. This makes it cost-viable for organizations to leverage emerging technologies on the cloud.
6. In the car analogy used to explain the differences between the three cloud service models, which of the provided options is an analogy for PaaS?
Explanation: Renting a car is likened to the PaaS model in this analogy. The customer is driving the car, paying for the gas and toll expense but is not concerned about the specifications of the car.
7. Which of these scenarios are good use cases for Public Cloud? Select two.
Explanation: Cloud-based applications and platforms free up internal IT teams to focus on building and testing applications, thereby reducing time-to-market for products and services. More and more organizations are using public cloud computing resources to build secondary infrastructures for disaster recovery, data protection, and business continuity.
8. Private cloud platforms can be implemented internally or externally. What is an example of external private cloud platform?
Explanation: When the platform is provisioned over a logically isolated part of a cloud provider’s public infrastructure, and is owned, managed, and operated by the service provider.
9. The infrastructure layer is the foundation of the cloud and consists of physical resources. Where do these physical resources reside?
Explanation: The physical resources of a cloud’s IT infrastructure are housed in data centers, that are located with Availability Zones that are clustered within Regions.
10. Why do bare metal servers take longer to provision than virtual servers?
Explanation: Bare-metal servers are physical machines and take longer to provision than virtual servers as physical resources with specified capacity may need to be configured by the cloud provider before they are made available to users.
11. Containers provide isolation of applications. What is one of the benefits this provides?
Explanation: The isolation of applications as containers reduces the chance that malicious code present in one container will impact other containers or invade the host system.
12. What makes File storage an ideal solution for scenarios where common storage (a landing zone for incoming files) is needed?
Explanation: The ability for File Storage to be mounted to multiple compute nodes at a time make it an ideal solution for common storage requirements.
13. Which of these scenarios are best suited for Block Storage? Select two.
Explanation: Block storage is accessed via a dedicated network of fibres through which signals move at high speed, consistently. This makes block storage suitable for low latency workloads. Fibre optic networks move traffic at consistently high speeds, making it ideal for applications that need consistent and fast access.
14. Which of the following is NOT a good fit for Object Storage?
Explanation: Object storage is not suitable for running operating systems, databases, or anything else where the contents of the file changes.
15. What is a Content Delivery Network (CDN)?
Explanation: A CDN is a distributed server network that delivers temporarily stored or cached copies of website content to users based on the user’s geographic location.
16. What are some of the benefits of using microservices architecture? Select two.
Explanation: Microservices are function specific independent components that can be developed and updated by multiple developers working independently on the individual components. Each component can be scaled independently, reducing the waste and cost associated with having to scale entire applications.
17. What are the characteristics of a cloud native application?
Explanation: A cloud native application consists of microservices working together as independent units of software working as a whole.
18. DevOps’ tools, practices, and processes are helping tackle some of the complexities and challenges posed by the cloud. Identify two ways in which DevOps is mitigating these challenges. Select two.
Explanation: The DevOps’ practices of continuous integration and continuous deployment help create a fully automated deployment pipeline that tackles the complexities involved in application deployment. DevOps best practices make it possible to programmatically provision servers, build middleware, install application code, and fully automate the installation process.
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