Thẻ ghi nhớ: Intro to Cloud Computing: Module 2 | Quizlet

renting a car

In the car analogy used in the video to explain and differentiate between the three service models, which of the provided options is an analogy for PaaS?

a. leasing a car

b. buying a car

c. hiring a taxi

d. renting a car

Retaining in-house control over workload availability and performance

According to the IaaS video, which of these is NOT a likely use case for IaaS?

a. retaining in-house control over workload availability and performance

b. big data analysis

c. high-performance computing

d. business continuity and disaster recovery

API Development and Management

Build, test, deploy, enhance, and scale applications rapidly and cost-effectively

Which of these scenarios are good use cases for PaaS. Select two.

a. API Development and Management

b. Build, test, deploy, enhance, and scale applications rapidly and cost-effectively

c. organizations who want to maintain full control over the installation, configuration, and operation of their application infrastructure

d. organizations who do not want to invest in ongoing upgrades and maintenance of their applications

organizations looking to reduce on-premises IT infrastructure and capital expenditure

Which of the following is a good use case for SaaS?

a. applications that have highly confidential and sensitive data

b. organizations that have a geographically spread workforce, some of them working in areas with erratic or unreliable intranet connections

c. business-critical applications

d. organizations looking to reduce on-premises IT infrastructure and capital expenditure

reducing time-to-market for products and services

disaster recovery, data protection, and business continuity

Which of these scenarios are good use cases for public cloud? Select two.

a. reducing time-to-market for products and services

b. disaster recovery, data protection, and business continuity

c. applications with stable capacity and resourcing needs

d. managing business critical platforms and applications

virtual private cloud or VPC

Private cloud platforms can be implemented internally or externally. What is an external private cloud platform?

a. cloud platform that runs on-premises

b. controlled access and customized security measures

c. platform that is owned, managed, and operated by the organization

d. virtual private cloud or VPC

the public and private cloud services can understand each others APIs, configuration, data formats, and forms of authentication and authorization

What do we mean when we say that the hybrid cloud is interoperable?

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

b. you are no longer locked-in with a specific vendor

c. organizations can choose to run their sensitive workloads on a private cloud

d. the public and private cloud services can understand each others APIs, configuration, data formats, and forms of authentication and authorization

CaaS

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

a. CaaS

b. PaaS

c. SaaS

d. IaaS

cloud provider owns, manages, and maintains the physical resources

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

a. cloud provider owns, manages, and maintains the physical resources

b. cloud provider manages the physical resources, the platform resources, applications, and data

c. cloud provider configures the infrastructure which is managed and maintained by the user/customer organization

d. cloud provider manages the physical resources, operating systems, development tools, databases, and business analytics

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

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

a. IaaS providers manage the hypervisors and end-users provision the virtual instances

b. IaaS providers manage the hypervisors and provision virtual instances

c. IaaS providers deploy the middleware and install required applications on the virtual machines

d. IaaS providers manage large data centers that contain the physical machines required to power the various layers of abstraction on top of them

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

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

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

a. in the PaaS model, the provider also takes responsibility for the application code and its maintenance

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

c. Organizations who opt for PaaS still need to configure supporting technologies such as load balancers and databases

d. 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

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

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

a. single tenant architecture

b. ensure every user has an access to the same, centrally located, infrastructure and application code

c. security, compliance, and maintenance of the software are the responsibilities of the user

d. SaaS services do not provide options for user customization

a public cloud is a virtualized multi-tenant architecture

Which of these statements is a characteristic of public clouds?

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

b. resources are assigned as per estimated need decided at the time of subscribing for the service

c. a pubic cloud provides a dedicated pool of resources to each of its multiple users

d. a public cloud is a virtualized multi-tenant architecture

private clouds can only be deployed on-premise, in an organizations own datacenter

Which of the following statements is NOT a correct statement about private clouds?

a. a VPC is an example of a type of private cloud

b. private clouds can be implemented internally or externally

c. private clouds can only be deployed on-premise, in an organizations own datacenter

d. private clouds are suitable for workloads that require maximum control and security

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

Which of these statements are true of virtual private clouds (VPCs)? Select two.

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

b. VPCs are provisioned in a logically isolated part of a shared public cloud

c. 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

d. VPCs may be provisioned over a cloud service providers infrastructure, but the infrastructure is owned, managed, and operated by the enterprise

hybrid cloud

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?

a. on-premise data centers

b. public cloud

c. hybrid cloud

d. private cloud

hybrid clouds are only suitable for workloads involving IaaS

Which of the following statements about hybrid cloud is NOT correct?

a. hybrid clouds are only suitable for workloads involving IaaS

b. hybrid clouds can prevent lock-in to a single Cloud provider

c. hybrid cloud is a computing environment that connects an organizations on-premise private cloud and third-party public cloud into a single flexible architecture

d. hybrid clouds allow organizations to leverage the additional public cloud capacity when a workload running on the private cloud has a spike in demand