Introduction to Cloud Computing Coursera Quiz Answers

All Weeks IBM Introduction to Cloud Computing Coursera Quiz Answers

This course introduces you to the core concepts of cloud computing. You gain the foundational knowledge required for understanding cloud computing from a business perspective and also for becoming a cloud practitioner. You understand the definition and essential characteristics of cloud computing, its history, the business case for cloud computing, and emerging technology use cases enabled by the cloud.

We introduce you to some of the prominent service providers of our times (e.g. AWS, Google, IBM, Microsoft, etc.) the services they offer, and look at some case studies of cloud computing across industry verticals.

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All Weeks Introduction to Cloud Computing IBM Coursera Quiz Answers

Introduction to Cloud Computing Week 1 Quiz Answers

Quiz : Module 1 Graded Quiz Answers

Q1. 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?

  • Networks, servers, storage, applications, and services
  • Data security, associated with loss or unavailability of data causing business disruption
  • Five essential characteristics, three deployment models, three service models
  • Leverage cloud services over the open internet on hardware owned by the cloud provider

Q2. What tasks do hypervisors accomplish? Select two.

  • Separates VMs logically and assigns each a share of the underlying computing power, memory, and storage.
  • Scale on demand to support fluctuating workloads.
  • Enable multiple operating systems to run alongside each other, sharing the same physical computing resources.
  • Facilitate access to mainframes for multiple users to access the same data storage layer.

Q3. What are some of the cloud benefits that make it lower-risk for enterprises to adopt cloud? Select two.

  • The pay-as-you-go model allows enterprises to experiment with technologies as opposed to making long-term decisions based on little or no trial.
  • Data security associated with loss or unavailability of data causing business disruption
  • The speed with which applications can be up and running on the cloud versus months on traditional platforms, means enterprises can experiment, fail fast, learn, and course correct without setting them back significantly.
  • Diversity of standardization in how the constantly evolving technologies integrate and interoperate.

Q4. Which of these are full-service cloud platforms?

A.     IBM Cloud

B.     Amazon Web Services

C.      Google Cloud Platform

D.     Microsoft Azure

  • A, B, and C only
  • A, B, C, and D
  • A and B only
  • A only

Q5. 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:

  • Lengthen product lifecycles to ensure higher quality offerings
  • Avoid having to fail at all
  • Improve customer experience and create enhanced products and services
  • Continue making expensive decisions because it often worked in the past

Q6. What are some of the results companies like Bitly, American Airlines, UBank, and ActivTrades achieve with cloud adoption?

A.     Better customer service

B.     Remove barriers to innovation

C.     Demand for enterprise scale

D.     Accelerating growth

  • C and D only
  • A, B, C, and D
  • B and D only
  • A and B only

Q7. 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

  • Cloud offers on-demand computing
  • Cloud resources are offered in a single-tenant model
  • The power and scale of cloud resources
  • Computing resources can be accessed via internet connection

Q8. What is the three-way symbiotic relationship between IoT, AI, and Cloud?

  • Power, scale, dynamic nature, and economics of the cloud resources
  • AI consumes the data produced by IoT devices
  • IoT delivers the data, AI powers the insights, and both emerging technologies leverage cloud’s scalability and processing power
  • Making sense of the endless streams of data from IoT devices

Q9. What is the three-way relationship between blockchain, AI, and the Cloud?

  • Globally distributed, scalable, and cost-efficient computing resources.
  • Blockchain provides the trusted, decentralized source of truth, AI powers the analytics and decisions made from the collected data, and cloud provides the globally distributed, scalable, and cost-efficient computing resources to support both technologies.
  • Lends trust and transparency to AI by recording the data and variables that go into a decision made in an AI algorithm.
  • Blockchain provides an immutable network allowing members to view only those transactions that are relevant to them.

Q10. Which of these are essential characteristics of the Cloud? Select two.

  • Fixed fee
  • On-demand self-service
  • Resource pooling
  • Single-tenant

Introduction to Cloud Computing Week 2 Coursera Quiz Answers

Quiz : Module 2 Graded Quiz Answers

Q1. Which of the following does NOT represent one of the three main Cloud Service Models referred to in the course?

  • SaaS
  • PaaS
  • IaaS
  • CaaS

Q2. Which one of the provided options is true for Infrastructure-as-a-Service?

  • Cloud provider configures the infrastructure which is managed and maintained by the user/customer organization
  • Cloud provider owns, manages, and maintains the physical resources
  • Cloud provider manages the physical resources, the platform resources, applications, and data
  • Cloud provider manages the physical resources, operating systems, development tools, databases, and business analytics

Q3. Which are some of the key components of cloud Infrastructure-as-a-Service? Select two.

  • IaaS providers manage the hypervisors and provision virtual instances
  • IaaS providers manage large data centers that contain the physical machines required to power the various layers of abstraction on top of them
  • IaaS providers deploy the middleware and install required applications on the virtual machines
  • IaaS providers manage the hypervisors and end-users provision the virtual instances

Q4. Which of the following are essential characteristics of Platform-as-a-Service? Select two.

  • In a PaaS model, the provider also takes responsibility for the application code and its maintenance
  • Organizations who opt for PaaS still need to configure supporting technologies such as load balancers and databases
  • PaaS offerings support middleware capabilities that assists developers by reducing the amount of code that must be written to expand the application’s functional capabilities
  • PaaS clouds provide services and APIs that help developers deliver elastically scalable and highly available cloud applications

Q5. Which one of the following is a key characteristic of Software-as-a-Service?

  • Security, compliance, and maintenance of the software are the responsibilities of the user
  • SaaS services do not provide options for user customization
  • Single tenant architecture
  • Ensure every user has access to the same, centrally located, infrastructure and application code

Q6. Which of these statements is a characteristic of Public Clouds?

  • A public cloud is a virtualized multi-tenant architecture
  • The cloud provider provisions the resources and services as needed by individual users
  • A public cloud provides a dedicated pool of resources to each of its multiple users
  • Resources are assigned as per estimated need decided at the time of subscribing for the service

Q7. Which of the following statements is NOT a correct statement about Private clouds?

  • Private Clouds can be implemented internally or externally
  • VPC is an example of a type of Private Cloud
  • Private Clouds are suitable for workloads that require maximum control and security
  • Private clouds can only be deployed on-premise, in an organization’s own datacenter

Q8. Which of these statements are true of Virtual Private Clouds (VPCs)? Select two.

  • VPCs are provisioned in a logically isolated part of a shared public cloud
  • VPC allows all users of the shared public cloud to access resources in the VPC on need basis; it also allows users of the VPC to access resources of the public cloud
  • VPCs may be provisioned over a cloud service provider’s infrastructure, but the infrastructure is owned, managed, and operated by the enterprise
  • The VPC infrastructure is owned, managed, and operated by the public cloud service provider

Q9. 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?

  • Public Cloud
  • Private Cloud
  • On-premise Data Centers
  • Hybrid Cloud

Q10. Which of the following statements about Hybrid Cloud is NOT correct?

  • Hybrid Clouds allow organizations to leverage the additional public cloud capacity when a workload running on the private cloud has a spike in demand
  • Hybrid cloud is a computing environment that connects an organization’s on-premise private cloud and third-party public cloud into a single flexible infrastructure
  • Hybrid clouds can prevent lock-in to a single Cloud Provider
  • Hybrid clouds are only suitable for workloads involving Infrastructure-as-a-Service

All Week Introduction to Cloud Computing Week 3 Coursera Quiz Answers

Quiz : Module 3 Graded Quiz Answers

Q1. Each Cloud Region can have multiple Zones (also known as Availability Zones). What are Zones?

  • Standardized containers of computing resources
  • Single shared point of failure
  • Unique physical locations with one or more data centers
  • Geographic area or region where cloud provider’s infrastructure is clustered

Q2. 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?

  • Yes, Virtualization makes it possible— to have VMs, running different operating systems, on a single host.
  • No, it is not possible—VMs are software-based versions of a single host. They cannot have different environments from one another.
  • Yes, Containerization makes it possible—to have VMs that are unique physical entities, so you can have completely different Operating Systems on them.
  • No, it is not possible—A single host can only work as one single virtual environment, and can, therefore, have only one environment.

Q3. Which of the following are examples of single-tenant compute environments in the Cloud? Select two.

  • Bare Metal servers
  • Dedicated host
  • Reserved virtual server
  • Transient virtual servers

Q4. Which of these scenarios is ideal for the use of bare metal servers, as opposed to virtual servers? Select two.

  • Huge performance and strict security and compliance requirements
  • Workloads that require limited throughput and performance
  • Low cost to use
  • CPU and I/O intensive workloads

Q5. What are some key differences between Containers and Virtual Machines? Select two.

  • Containers are executable units of software while each virtual machine is a distinct physical entity
  • Even though each container uses the same OS as the host OS, it still needs to have its own copy of the OS, while a virtual machine leverages the resources of the host OS
  • Containers are more lightweight as compared to virtual machines
  • Containers can use the same OS as the host, while a virtual machine needs its own copy of the OS, which can also be different from the host OS

Q6. There are four types of cloud storage available. Which storage type is ephemeral or non-persistent?

  • File storage
  • Block storage
  • Object storage
  • Direct Attached storage

Q7. What makes File storage an ideal solution for scenarios where shared storage is needed?

  • Its consistently high speed
  • File storage can be mounted on multiple compute nodes at the same time
  • Mounted from remote storage appliances
  • File Storage is mounted to compute nodes via an ethernet network

Q8. Which of these scenarios are best suited for Block Storage? Select two.

  • Low cost is a consideration
  • Applications that need consistent fast access to disk, such as databases
  • Workloads that need low-latency storage
  • Workloads that need disk sharing between compute nodes

Q9. Which of these are features of Object Storage? Select two.

  • Object storage is effectively infinite
  • Object Storage can be mounted on multiple compute nodes via an ethernet network
  • Storage is attached to compute nodes using a fibre network
  • You can directly use Object Storage without attaching it to a compute node

Q10. What is the main benefit of a Content Delivery Network (CDN)?

  • Network topology
  • Enhanced control over network traffic by routing traffic to specified resources
  • Speed, it makes your website faster by serving files from a location closer to the user.
  • Distribute tasks, workloads, and network traffic

All Week Introduction to Cloud Computing Week 4 Coursera Quiz Answers

Quiz : Module 4 Graded Quiz Answers

Q1. What are the key elements of a Hybrid Multicloud strategy? Select two.

  • Allows you to leverage the best of cloud models and services across different cloud providers so that your applications and workloads work seamlessly across multiple clouds
  • Embraces a mix of cloud models and services as long as they are from the same cloud service provider
  • Connects an organization’s on-premise private cloud and third-party public cloud into a single infrastructure
  • For seamless working, it is recommended that if you’re subscribed to the infrastructure services of a cloud provider, you should subscribe to the application services provided by the same vendor.

Q2. What are some of the benefits of using microservices architecture? Select two.

  • Each line of code for a microservice needs to be written from scratch
  • Application components can be developed and updated independently of each other
  • Components facing varied amounts of load can be scaled independently
  • Each microservice of an application needs to use the same stack and runtime environment

Q3. Serverless might not be the best fit for all applications or scenarios. Which of these attributes qualify an application for a serverless architecture?

  • Workloads and applications that may be spread across multiple cloud environments and cloud vendors
  • Workloads characterized by long-running processes
  • Microservices that can be built as functions that are stateless
  • Low-latency applications

Q4. What are the characteristics of a cloud native application?

  • Collection of microservices working together as a whole to comprise an application
  • Collection of microservices that are built as one huge piece of software
  • Collection of microservices that need to be scaled and updated in relation to each other
  • Collection of microservices with tightly coupled UI, business logic layer, and data layer

Q5. 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.

  • DevOps best practices eliminate the need to provision servers, build middleware, and install application code
  • By fully automating the infrastructure installation process in a way that is documented, repeatable, verifiable, and traceable
  • By creating an automated deployment pipeline
  • DevOps processes outline the development principles that need to be followed to modernize monolithic applications to cloud native applications

Q6. Cloud adoption is an integral part of application modernization. What are the other two important components of modernization?

  • VMs and Agile Methodology
  • Service Oriented Architecture and Waterfall Methodology
  • Monolithic Architectures and Physical Servers
  • Microservices and DevOps

Q7. One of the key characteristics of Hybrid Multicloud is portability. What does portability mean in the context of Hybrid Cloud?

  • The flexibility to move applications and data between systems and cloud service providers
  • Distributing a single application across multiple providers allowing you to move application components across cloud services and vendors as needed
  • A workload running on the private cloud can leverage the additional public cloud capacity when there is a spike in demand
  • The public and private cloud services can understand each other’s APIs, data formats, forms of authentication and authorization

Q8. What is an attribute that distinguishes serverless computing from other compute models?

  • Serverless computing does not require any underlying servers for executing workloads
  • End users pay for resources as long as they are running, even if idle
  • In the serverless computing environment, resources cannot be scaled up or down
  • The serverless model requires no provisioning of servers, installation of application stacks, or operation of the infrastructure by the users/developers

Q9. Which one of these statements is NOT true of a microservices architecture approach?

  • Microservices find one another using service discovery, which creates a roadmap for microservices to communicate
  • Developers can leverage the vast amounts of code already available as the base of an application, eliminating the need to develop code from scratch
  • Microservices breakdown large applications into their core functions to create a fully functional application
  • When one of the microservices of an application stops to function, it disrupts the functioning of the complete application

Q10. Which one of the following statements does NOT describe the DevOps approach and process?

  • Defines how people work together to build, deploy, and manage applications in a cloud native environment
  • Eliminates the need to provision servers, build middleware, and install application code
  • Uses automated tools to monitor the performance and availability of their applications
  • A collaborative approach where business owners and development, operations, and quality assurance teams collaborate to deliver software continuously

All Week Introduction to Cloud Computing Week 5 Quiz Answers

Quiz : Module 5 Graded Quiz Answers

Q1. What are some best practices organizations need to follow in order to protect their cloud resources and systems? Select two.

  • Adopt a shared responsibility model
  • Run security monitoring tools on a periodic basis to ensure security threats and breaches are flagged
  • Active monitoring for security and compliance
  • Distribute tasks, workloads, and network traffic

Q2. Which of the following are key components of Identity and Access Management (IAM)? Select two.

  • Audit and Compliance
  • Protecting data while it is at rest, in motion, and in use
  • Cloud Directory Services
  • Embedding security through the life cycle of an application

Q3. Which of these statements are true of cloud encryption

A.   Encryption ensures only authorized users have access to sensitive dat

B.   When encrypted data is intercepted without authorization, it is unreadable and meaningles

C.   Encryption protects data when it is at rest, in transit, and in use in memo

D.   Encryption eliminates data security risk

  • A, B, C, and D
  • A, B, and C only
  • A, B, and D only
  • A and C only

Q4. Identify some of the standard cloud monitoring best practices from the provided options. Select two.

  • Leverage end-user experience monitoring solutions to capture the performance of an application from the point of view of its end users
  • Encrypt data before it is sent to the cloud
  • Authenticate users attempting to access their cloud resources
  • Track usage and cost of your cloud resources and services

Q5. Which job role requires the following skills?

·        Collaboration with development and operations teams

·        Containerization expertise

·        Creating custom automation tools

·        Building and maintaining configuration and deployment frameworks

  • Cloud Solutions Architects
  • Cloud Integration Specialists
  • Cloud DevOps Engineer
  • Cloud Data Engineers
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2 Comments

  1. please correct the week 2
    Question 8
    Which of these statements are true of Virtual Private Clouds (VPCs)? Select two.

    ANSWERS:-
    @ VPCs are provisioned in a logically isolated part of a shared public cloud

    @ The VPC infrastructure is owned, managed, and operated by the public cloud service provider

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