Introduction to Cloud Computing

Introduction to Cloud Computing Answer. In this post you will get Quiz & Assignment Answer Of Introduction to Cloud Computing | 100% Correct Answer.

 

Introduction to Cloud Computing

Offered By ”IBM”

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Module 1 Graded Quiz

 

1.
Question 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?

1 point

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

2.
Question 2
What tasks do hypervisors accomplish? Select two.

1 point

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

3.
Question 3
What are some of the cloud benefits that make it lower-risk for enterprises to adopt cloud? Select two.

1 point

  • 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.

4.
Question 4
Which of these are full-service cloud platforms?

A. IBM Cloud

B. Amazon Web Services

C. Google Cloud Platform

D. Microsoft Azure

1 point

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

5.
Question 5
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:

1 point

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

6.
Question 6
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

1 point

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

7.
Question 7
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.

1 point

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

8.
Question 8
What is the three-way symbiotic relationship between IoT, AI, and Cloud?

1 point

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

9.
Question 9
What is the three-way relationship between blockchain, AI, and the Cloud?

1 point

  • Globally distributed, scalable, and cost-efficient computing resources.
  • Blockchain provides an immutable network allowing members to view only those transactions that are relevant to them.
  • Lends trust and transparency to AI by recording the data and variables that go into a decision made in an AI algorithm.
  • 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.

10.
Question 10
Which of these are essential characteristics of the Cloud? Select two.

1 point

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

 

Module 2 Graded Quiz

 

1.
Question 1
Which of the following does NOT represent one of the three main Cloud Service Models referred to in the course?

1 point

IaaS

PaaS

SaaS

CaaS

2.
Question 2
Which one of the provided options is true for Infrastructure-as-a-Service?

1 point

Cloud provider configures the infrastructure which is managed and maintained by the user/customer organization

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

Cloud provider owns, manages, and maintains the physical resources

3.
Question 3
Which are some of the key components of cloud Infrastructure-as-a-Service? Select two.

1 point

IaaS providers manage the hypervisors and provision virtual instances

IaaS providers manage the hypervisors and end-users provision the 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

4.
Question 4
Which of the following are essential characteristics of Platform-as-a-Service? Select two.

1 point

PaaS clouds provide services and APIs that help developers deliver elastically scalable and highly available cloud applications

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

5.
Question 5
Which one of the following is a key characteristic of Software-as-a-Service?

1 point

SaaS services do not provide options for user customization

Ensure every user has access to the same, centrally located, infrastructure and application code

Security, compliance, and maintenance of the software are the responsibilities of the user

Single tenant architecture

6.
Question 6
Which of these statements is a characteristic of Public Clouds?

1 point

The cloud provider provisions the resources and services as needed by individual users

Resources are assigned as per estimated need decided at the time of subscribing for the service

A public cloud provides a dedicated pool of resources to each of its multiple users

A public cloud is a virtualized multi-tenant architecture

7.
Question 7
Which of the following statements is NOT a correct statement about Private clouds?

1 point

Private Clouds can be implemented internally or externally

Private clouds can only be deployed on-premise, in an organization’s own datacenter

VPC is an example of a type of Private Cloud

Private Clouds are suitable for workloads that require maximum control and security

8.
Question 8
Which of these statements are true of Virtual Private Clouds (VPCs)? Select two.

1 point

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

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

9.
Question 9
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?

1 point

On-premise Data Centers

Private Cloud

Public Cloud

Hybrid Cloud

10.
Question 10
Which of the following statements about Hybrid Cloud is NOT correct?

1 point

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 are only suitable for workloads involving Infrastructure-as-a-Service

Hybrid clouds can prevent lock-in to a single Cloud Provider

 

Module 3 Graded Quiz

 

1.
Question 1
Each Cloud Region can have multiple Zones (also known as Availability Zones). What are Zones?

1 point

Unique physical locations with one or more data centers

Single shared point of failure

Standardized containers of computing resources

Geographic area or region where cloud provider’s infrastructure is clustered

2.
Question 2
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?

1 point

No, it is not possible—A single host can only work as one single virtual environment, and can, therefore, have only one environment.

No, it is not possible—VMs are software-based versions of a single host. They cannot have different environments from one another.

Yes, Virtualization makes it possible— to have VMs, running different operating systems, on a single host.

Yes, Containerization makes it possible—to have VMs that are unique physical entities, so you can have completely different Operating Systems on them.

3.
Question 3
Which of the following are examples of single-tenant compute environments in the Cloud? Select two.

1 point

Transient virtual servers

Bare Metal servers

Reserved virtual server

Dedicated host

4.
Question 4
Which of these scenarios is ideal for the use of bare metal servers, as opposed to virtual servers? Select two.

1 point

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

5.
Question 5
What are some key differences between Containers and Virtual Machines? Select two.

1 point

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

Containers are more lightweight as compared to virtual machines

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

6.
Question 6
There are four types of cloud storage available. Which storage type is ephemeral or non-persistent?

1 point

File storage

Direct Attached storage

Object storage

Block storage

7.
Question 7
What makes File storage an ideal solution for scenarios where shared storage is needed?

1 point

File storage can be mounted on multiple compute nodes at the same time

File Storage is mounted to compute nodes via an ethernet network

Its consistently high speed

Mounted from remote storage appliances

8.
Question 8
Which of these scenarios are best suited for Block Storage? Select two.

1 point

Workloads that need low-latency storage

Low cost is a consideration

Workloads that need disk sharing between compute nodes

Applications that need consistent fast access to disk, such as databases

9.
Question 9
Which of these are features of Object Storage? Select two.

1 point

You can directly use Object Storage without attaching it to a compute node

Object Storage can be mounted on multiple compute nodes via an ethernet network

Object storage is effectively infinite

Storage is attached to compute nodes using a fibre network

10.
Question 10
What is the main benefit of a Content Delivery Network (CDN)?

1 point

Speed, it makes your website faster by serving files from a location closer to the user.

Network topology

Distribute tasks, workloads, and network traffic

Enhanced control over network traffic by routing traffic to specified resources

 

 

Module 4 Graded Quiz

1.
Question 1
What are the key elements of a Hybrid Multicloud strategy? Select two.

1 point

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.

Embraces a mix of cloud models and services as long as they are from the same cloud service provider

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

Connects an organization’s on-premise private cloud and third-party public cloud into a single infrastructure

2.
Question 2
What are some of the benefits of using microservices architecture? Select two.

1 point

Each line of code for a microservice needs to be written from scratch

Components facing varied amounts of load can be scaled independently

Application components can be developed and updated independently of each other

Each microservice of an application needs to use the same stack and runtime environment

3.
Question 3
Serverless might not be the best fit for all applications or scenarios. Which of these attributes qualify an application for a serverless architecture?

1 point

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

4.
Question 4
What are the characteristics of a cloud native application?

1 point

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 working together as a whole to comprise an application

Collection of microservices with tightly coupled UI, business logic layer, and data layer

5.
Question 5
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.

1 point

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

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

6.
Question 6
Cloud adoption is an integral part of application modernization. What are the other two important components of modernization?

1 point

Microservices and DevOps

Service Oriented Architecture and Waterfall Methodology

VMs and Agile Methodology

Monolithic Architectures and Physical Servers

7.
Question 7
One of the key characteristics of Hybrid Multicloud is portability. What does portability mean in the context of Hybrid Cloud?

1 point

The public and private cloud services can understand each other’s APIs, data formats, forms of authentication and authorization

The flexibility to move applications and data between systems and cloud service providers

A workload running on the private cloud can leverage the additional public cloud capacity when there is a spike in demand

Distributing a single application across multiple providers allowing you to move application components across cloud services and vendors as needed

8.
Question 8
What is an attribute that distinguishes serverless computing from other compute models?

1 point

Serverless computing does not require any underlying servers for executing workloads

The serverless model requires no provisioning of servers, installation of application stacks, or operation of the infrastructure by the users/developers

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

9.
Question 9
Which one of these statements is NOT true of a microservices architecture approach?

1 point

Microservices breakdown large applications into their core functions to create a fully functional application

Microservices find one another using service discovery, which creates a roadmap for microservices to communicate

When one of the microservices of an application stops to function, it disrupts the functioning of the complete application

Developers can leverage the vast amounts of code already available as the base of an application, eliminating the need to develop code from scratch

10.
Question 10
Which one of the following statements does NOT describe the DevOps approach and process?

1 point

Defines how people work together to build, deploy, and manage applications in a cloud native environment

A collaborative approach where business owners and development, operations, and quality assurance teams collaborate to deliver software continuously

Eliminates the need to provision servers, build middleware, and install application code

Uses automated tools to monitor the performance and availability of their applications

 

 

Module 5 Graded Quiz

 

1.
Question 1
What are some best practices organizations need to follow in order to protect their cloud resources and systems? Select two.

1 point

Active monitoring for security and compliance

Run security monitoring tools on a periodic basis to ensure security threats and breaches are flagged

Adopt a shared responsibility model

Distribute tasks, workloads, and network traffic

2.
Question 2
Which of the following are key components of Identity and Access Management (IAM)? Select two.

1 point

Audit and Compliance

Cloud Directory Services

Embedding security through the life cycle of an application

Protecting data while it is at rest, in motion, and in use

3.
Question 3
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

1 point

A, B, and C only

A, B, C, and D

A, B, and D only

A and C only

4.
Question 4
Identify some of the standard cloud monitoring best practices from the provided options. Select two.

1 point

Encrypt data before it is sent to the cloud

Track usage and cost of your cloud resources and services

Leverage end-user experience monitoring solutions to capture the performance of an application from the point of view of its end users

Authenticate users attempting to access their cloud resources

5.
Question 5
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

· Monitoring security and measuring performance

1 point

Cloud DevOps Engineer

Cloud Solutions Architects

Cloud Integration Specialists

Cloud Data Engineers

 

Peer-graded Assignment: Peer Assignement – Submit your work and evaluate peers

 

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