Introduction to Cloud Cognitive Class Exam Quiz Answers

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Enroll Here: Introduction to Cloud Cognitive Class Exam Quiz Answers

Introduction to Cloud Cognitive Class Certification Answers

Module 1 – Overview of Cloud Computing Quiz Answers – Cognitive Class

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?

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

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

Note: Make sure you select all of the correct options!

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.
Scale on demand to support fluctuating workloads.
Separates VMs logically and assigns each a share of the underlying computing power, memory, and storage.

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

Note: Make sure you select all of the correct options!

Data security associated with loss or unavailability of data causing business disruption
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.
Diversity of standardization in how the constantly evolving technologies integrate and interoperate.
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.

Module 2 – Cloud Adoption and Emerging Technologies Quiz Answers – Cognitive Class

Question 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:

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

Question 2: What is the three-way symbiotic relationship between IoT, AI, and Cloud?

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

Question 3: What is the three-way relationship between blockchain, AI, and the Cloud?

Lends trust and transparency to AI by recording the data and variables that go into a decision made in an AI algorithm.
An immutable network allowing members to view only those transactions that are relevant to them.
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.

Module 3 – Cloud Computing Service and Deployment Models Quiz Answers – Cognitive Class

Question 1: Which are some of the key components of cloud infrastructure? Select two.

Note: Make sure you select all of the correct options.

IaaS providers manage the hypervisors and provision virtual instances
IaaS providers deploy the middleware and install required applications on the virtual machines
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 manage the hypervisors and end-users provision the virtual instances

Question 2: According to the video, which of these statements are true of Virtual Private Clouds (VPCs)? Select two.

Note: Make sure you select all of the correct options.

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
VPCs may be provisioned over a cloud service provider’s infrastructure, but the infrastructure is owned, managed, and operated by the enterprise
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

Question 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?

Public Cloud
Private Cloud
On-premise Data Centers
Hybrid Cloud

Module 4 – Components of Cloud Computing Quiz Answers – Cognitive Class

Question 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?

Yes, Virtualization makes it possible— to have VMs, running different operating systems, on a single host.
No, it is not possible—A single host can only work as one single virtual environment, and can, therefore, have only one environment.
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—VMs are software-based versions of a single host. They cannot have different environments from one another.

Question 2: Which of these scenarios is ideal for the use of bare metal servers, as opposed to virtual servers? Select two.

Note: Make sure you select all of the correct options!

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

Question 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?

Virtual Private Cloud or VPC
Security Groups or SGs
Access Control Lists or ACLs
Load Balancers

Module 5 – Cloud Computing Storage and Content Delivery Networks Quiz Answers – Cognitive Class

Question 1: Which of these are features of Object Storage? Select two.

Note: Make sure you select all of the correct options!

Storage is attached to compute nodes using a fibre network
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

Question 2: There are four types of cloud storage available. Which storage type is ephemeral or non-persistent?

File storage
Direct Attached storage
Object storage
Block storage

Question 3: What is the main benefit of a Content Delivery Network (CDN)?

Distribute tasks, workloads, and network traffic
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.
Network topology

Module 6 – Emergent Trends, Cloud Native, DevOps and Application Modernization Quiz Answers – Cognitive Class

Question 1: What are the key elements of a hybrid Multicloud strategy?

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
Embraces a mix of cloud models while creating a vendor lock-in with the cloud provider
Connects an organization’s on-premise private cloud and third-party public cloud into a single infrastructure

Question 2: What is an attribute that distinguishes serverless computing from other compute models?

End users pay for resources as long as they are running, even if idle
In the serverless computing environment, compute 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
Serverless computing does not require any underlying servers for executing workloads

Question 3: Cloud adoption is an integral part of application modernization. What are the other two important components of modernization?

Microservices and DevOps
Serverless and Virtual Machines
Service Oriented Architecture and Waterfall Methodology
VMs and Agile Methodology

Introduction to Cloud Final Exam Answers – Cognitive Class

Question 1: Which cloud deployment model lets users use multiple cloud models working together seamlessly?

Broad Network Access
Private
Hybrid
Public

Question 2: Which of these are essential characteristics of the Cloud? Select two.

Note: Make sure you select all of the correct options!

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

Question 3: What are some cloud computing benefits? Select two.

Note: Make sure you select all of the correct options!

Purchasing off-the-shelf software and upgrades
Diversity of standardization in how the constantly evolving technologies integrate and interoperate.
Competitive advantage
Flexibility and efficiency

Question 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?

Data-driven decisions
Cognitively-enabled workflows
Multi-cloud infrastructures
Applied exponential technologies such as AI, Automation, IoT, and Blockchain

Question 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.

Note: Make sure you select all of the correct options!

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

Question 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?

Renting a car
Leasing a car
Hiring a taxi
Buying a car

Question 7: Which of these scenarios are good use cases for Public Cloud? Select two.

Note: Make sure you select all of the correct options!

Reducing time-to-market for products and services
Managing business critical platforms and applications
Disaster recovery, data protection, and business continuity
Applications with stable capacity and resourcing needs

Question 8: Private cloud platforms can be implemented internally or externally. What is an example of external private cloud platform?

Controlled access and customized security measures
Cloud platform that runs on-premises
Platform that is owned, managed, and operated by the organization
Virtual Private Cloud or VPC

Question 9: The infrastructure layer is the foundation of the cloud and consists of physical resources. Where do these physical resources reside?

Compute, Storage, and Networking Resources
In a warehouse that houses a centralized mainframe server
Regions, Zones, and Data Centers
Virtual Servers, Bare Metal Servers, and Serverless computing resources

Question 10: Why do bare metal servers take longer to provision than virtual servers?

GPUs for data analytics are hard to configure and provision
They’re multi-tenant servers, and all tenants must help configure them
Customer configures the physical servers
They are physical servers that can be customized to specified capacity

Question 11: Containers provide isolation of applications. What is one of the benefits this provides?

Repackaged into containers or containerized microservices
Help keep malicious code in one container from impacting other containers
Open sourced runtime engine
Abstraction from the host operating system

Question 12: What makes File storage an ideal solution for scenarios where common storage (a landing zone for incoming files) is needed?

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

Question 13: Which of these scenarios are best suited for Block Storage? Select two.

Note: Make sure you select all of the correct options!

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

Question 14: Which of the following is NOT a good fit for Object Storage?

Data that does not require fast read and write speeds
Files or objects that are static
Operating systems or applications like databases
Storage needs are finite and can be pre-defined

Question 15: What is a Content Delivery Network (CDN)?

Network Topology
A distributed Server Network
A Network Link
A Network Node

Question 16: What are some of the benefits of using microservices architecture? Select two.

Note: Make sure you select all of the correct options!

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
Components facing varied amounts of load can be scaled independently
Each line of code for a microservice needs to be written from scratch

Question 17: What are the characteristics of a cloud native application?

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

Question 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.

Note: Make sure you select all of the correct options!

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

Introduction to Cloud

Cloud computing is a technology that allows users to access and use computing resources (such as servers, storage, databases, networking, software, analytics, and intelligence) over the internet, commonly referred to as “the cloud.” Rather than owning and maintaining physical hardware and infrastructure, users can rent or lease these resources from cloud service providers on a pay-as-you-go basis.

Key characteristics of cloud computing include:

On-Demand Self-Service:
- Users can provision and manage computing resources as needed, without requiring human intervention from the service provider.
Broad Network Access:
- Cloud services are accessible over the internet from various devices, such as laptops, smartphones, and tablets.
Resource Pooling:
- Computing resources are shared among multiple users, and the provider dynamically allocates and assigns resources based on demand.
Rapid Elasticity:
- Resources can be quickly scaled up or down to accommodate changing workloads, providing flexibility and cost efficiency.
Measured Service:
- Cloud computing resources are metered, and users are billed based on their usage. This pay-as-you-go model allows for cost optimization.

Cloud computing is typically categorized into three main service models:

Infrastructure as a Service (IaaS):
- Provides virtualized computing resources over the internet. Users can rent virtual machines, storage, and networking infrastructure. Examples include Amazon Web Services (AWS) EC2 and Microsoft Azure Virtual Machines.
Platform as a Service (PaaS):
- Offers a platform that allows users to develop, run, and manage applications without dealing with the complexity of underlying infrastructure. Examples include Google App Engine and Heroku.
Software as a Service (SaaS):
- Delivers software applications over the internet on a subscription basis. Users can access the software through a web browser without needing to install or maintain it locally. Examples include Salesforce, Google Workspace, and Microsoft Office 365.

Cloud computing provides several benefits, including:

Cost Savings: Users only pay for the resources they consume, eliminating the need for upfront capital investment in hardware.
Scalability: Easily scale resources up or down based on demand, ensuring optimal performance and cost efficiency.
Accessibility and Flexibility: Users can access cloud services from anywhere with an internet connection, promoting collaboration and remote work.
Reliability and Availability: Cloud service providers often have redundant infrastructure and offer high availability, minimizing downtime.
Innovation: Cloud services provide a platform for experimenting with and adopting new technologies without the need for significant upfront investments.

Major cloud service providers include Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), IBM Cloud, and others. Organizations can choose a provider based on their specific needs and requirements.