Podcast
Questions and Answers
Which of the following best describes cloud computing?
Which of the following best describes cloud computing?
- Delivering technology services over the internet with pay-as-you-go pricing. (correct)
- Developing software applications for desktop computers.
- Managing physical hardware and networking infrastructure in-house.
- Using local servers for data storage and application hosting.
A company experiences a surge in website traffic during a promotional period. How can cloud computing help address this situation effectively?
A company experiences a surge in website traffic during a promotional period. How can cloud computing help address this situation effectively?
- By limiting user access to the website to manage the traffic within the capacity of existing servers.
- By redirecting website traffic to an alternate domain on a static webpage to reduce server load.
- By manually adding more physical servers to their existing infrastructure, which can take time.
- By automatically scaling up computing resources to handle the increased load and scaling down after the promotion ends. (correct)
Which advantage does hosting a website on a cloud server provide compared to using an on-premise server?
Which advantage does hosting a website on a cloud server provide compared to using an on-premise server?
- Lower initial setup costs and the ability to scale computing power instantly. (correct)
- Improved data security due to physical isolation.
- Greater control over the physical infrastructure.
- Reduced reliance on internet connectivity for website access.
What is the primary benefit of the pay-as-you-go pricing model in cloud computing?
What is the primary benefit of the pay-as-you-go pricing model in cloud computing?
What distinguishes cloud computing from traditional on-premise infrastructure?
What distinguishes cloud computing from traditional on-premise infrastructure?
Which of the following is a common use case for cloud computing?
Which of the following is a common use case for cloud computing?
Which role does virtualization play in cloud computing?
Which role does virtualization play in cloud computing?
Consider an e-commerce site that needs to handle increased traffic during the holiday season. What cloud computing characteristic is most beneficial in this scenario?
Consider an e-commerce site that needs to handle increased traffic during the holiday season. What cloud computing characteristic is most beneficial in this scenario?
A startup company is considering whether to use cloud services or on-premise infrastructure. What would be a key financial advantage of choosing a cloud-based solution?
A startup company is considering whether to use cloud services or on-premise infrastructure. What would be a key financial advantage of choosing a cloud-based solution?
What does on-demand resourcing primarily improve within the context of cloud computing?
What does on-demand resourcing primarily improve within the context of cloud computing?
Which of the following is NOT typically considered a characteristic of cloud computing?
Which of the following is NOT typically considered a characteristic of cloud computing?
Why is data duplication across data centers an important feature of cloud computing?
Why is data duplication across data centers an important feature of cloud computing?
In terms of security, what is a key consideration for businesses moving to cloud services?
In terms of security, what is a key consideration for businesses moving to cloud services?
What does the term 'cloud-native applications' refer to?
What does the term 'cloud-native applications' refer to?
What fundamental technology underpins cloud computing by allowing one physical server to act as multiple virtual servers?
What fundamental technology underpins cloud computing by allowing one physical server to act as multiple virtual servers?
Considering a situation where a company's data must remain within a specific geographic region due to legal requirements, which cloud characteristic is most relevant?
Considering a situation where a company's data must remain within a specific geographic region due to legal requirements, which cloud characteristic is most relevant?
If a business requires immediate access to ready-to-go resources, which cloud feature is most advantageous?
If a business requires immediate access to ready-to-go resources, which cloud feature is most advantageous?
How does cloud computing ensure the reliability of data and services?
How does cloud computing ensure the reliability of data and services?
Which of the following cloud service models provides hardware and software tools over the internet for developing applications?
Which of the following cloud service models provides hardware and software tools over the internet for developing applications?
Which cloud service model allows users to utilize software over the internet, typically for a subscription fee?
Which cloud service model allows users to utilize software over the internet, typically for a subscription fee?
Which cloud service model provides the most abstraction and least control to the user?
Which cloud service model provides the most abstraction and least control to the user?
In the context of cloud service models, what is the primary focus of Function as a Service (FaaS)?
In the context of cloud service models, what is the primary focus of Function as a Service (FaaS)?
If a company wants to rent virtualized computing resources such as servers and storage, which cloud service model would be most appropriate?
If a company wants to rent virtualized computing resources such as servers and storage, which cloud service model would be most appropriate?
Considering a scenario where developers need a complete environment to build, test, and deploy applications without managing the underlying infrastructure, which cloud service model is most suitable?
Considering a scenario where developers need a complete environment to build, test, and deploy applications without managing the underlying infrastructure, which cloud service model is most suitable?
Which cloud service model would a company typically use to provide its employees with access to email, office productivity tools, and customer relationship management (CRM) software?
Which cloud service model would a company typically use to provide its employees with access to email, office productivity tools, and customer relationship management (CRM) software?
How does Infrastructure as a Service (IaaS) differ from Platform as a Service (PaaS)?
How does Infrastructure as a Service (IaaS) differ from Platform as a Service (PaaS)?
How would the use of cloud computing benefit a small startup with limited capital?
How would the use of cloud computing benefit a small startup with limited capital?
Which of the service models requires you to manage the least amount of components?
Which of the service models requires you to manage the least amount of components?
Which scalability method increases the power of an existing instance?
Which scalability method increases the power of an existing instance?
Which scalability method adds more instances?
Which scalability method adds more instances?
Which of the following is NOT a cloud provider?
Which of the following is NOT a cloud provider?
Which service most relies on on-demand resourcing to limit growth constraints?
Which service most relies on on-demand resourcing to limit growth constraints?
How can cloud computing assist in recovering data and systems after a disaster?
How can cloud computing assist in recovering data and systems after a disaster?
Which of the following services provides compute?
Which of the following services provides compute?
Which of the following services saves and stores data?
Which of the following services saves and stores data?
Which of the following services stores more structured sets of data?
Which of the following services stores more structured sets of data?
Which cloud characteristic relates to dynamically allocating resources?
Which cloud characteristic relates to dynamically allocating resources?
What is a potential trade-off when opting for cloud computing rather than an on-premise solution?
What is a potential trade-off when opting for cloud computing rather than an on-premise solution?
A photography company has a large amount of photos, and is looking for a solution to keep the assets safe. Which cloud characteristic is most important to consider?
A photography company has a large amount of photos, and is looking for a solution to keep the assets safe. Which cloud characteristic is most important to consider?
Flashcards
Cloud Computing
Cloud Computing
The delivery of technology services over the internet with pay-as-you-go pricing, including compute, storage, databases, networking, and software.
On-premise Server
On-premise Server
A powerful computer that can be connected to remotely, often located on the premises.
Cloud Server
Cloud Server
Access to computing power instantly when needed, allowing for quick scaling of resources.
Scalability
Scalability
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Vertical Scaling
Vertical Scaling
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Horizontal Scaling
Horizontal Scaling
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Pay-as-you-go
Pay-as-you-go
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Data Center
Data Center
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Virtualization
Virtualization
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IaaS (Infrastructure as a Service)
IaaS (Infrastructure as a Service)
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PaaS (Platform as a Service)
PaaS (Platform as a Service)
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SaaS (Software as a Service)
SaaS (Software as a Service)
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FaaS (Function as a Service)
FaaS (Function as a Service)
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Study Notes
What is Cloud Computing?
- Cloud computing delivers technology services over the internet with pay-as-you-go pricing.
- These services include compute, storage, databases, networking, and software.
Hosting a Website: Use Case
- Consider hosting a website that uses Datacamp for its users to learn various technical skills.
- A free week can increase traffic to the site, but high traffic can lead to slow service and frustrated users.
Hosting a Website: On-Premise Server
- An on-premise server is a powerful computer to which you can connect remotely.
- It's located on the premises and requires buying or renting new servers as more people use the website.
- Setting up these servers takes time and costs a lot of money.
Hosting a Website: Cloud Server
- Cloud servers give instant computing power when needed.
- When more people start using the website cloud servers can be added.
- Redundant cloud servers can also easily be released.
- Cloud servers use Pay-as-you-go billing.
Cloud Computing vs. On-Premise
- Cloud: scalable, fast setup, pay-as-you-go.
- On-Premise: less scalable, slower setup, ongoing costs.
- The best solution depends on the use case.
Other Uses and Companies
- Other applications of Cloud computing include the ability to; store, back up, and recover data in addition to creating cloud-native applications.
- Cloud computing allows the user to stream audio and video as well as deliver software on demand.
- Cloud computing also enables the ability to analyze data and embed artificial intelligence models.
- Cloud computing companies include IBM, Netflix, Zoom, Salesforce, Slack, and Google.
Cloud Services
- Cloud computing delivers technology services, like compute, storage, databases, networking, and software, over the internet with pay-as-you-go pricing.
- Compute provides the brains to process workloads.
- Storage allows people to save and store data.
- Databases are used to store more structured sets of data.
Cloud Computing Characteristics
- The characteristics are virtualization, scalability, cost, speed, performance, growth, reliability, and security.
Virtualization
- Virtualization is the fundamental technology that powers cloud computing.
- A physical server can become multiple virtual servers so maximizes the output and creates economies of scale.
Scalability
- Cloud computing easily allows for added or removed resources as needed
- For example, e-commerce may need more resources during peak times.
- Resources can be scaled vertically by increasing the power of the instance, or horizontally by adding more instances.
Cost
- Cloud computing allows you to only pay for resources when they are being used and comes with Pay-as-you-go options.
- There are no capital expenses of buying hardware and software nor the hassles of managing on-site infrastructure.
- Consider that an on-premise solution might be more cost-efficient depending on the use case.
Speed
- Cloud computing enables immediate access to ready-to-go cloud resources which enables faster set-up times and on-demand resourcing.
- Cloud services can be deployed within minutes.
Performance
- Cloud computing allows data centers to house an organization's IT operations and equipment.
- Cloud computing also gives access to worldwide networks of data centers with fast and efficient computing hardware.
Growth
- On-demand resourcing and provision resources across global networks limit growth constraints.
Reliability
- Data is duplicated across data centers to to ensure availability even in cases of natural disasters.
Security
- Cloud storage is secure with external parties responsible for security although it can be risky for businesses in highly regulated sectors.
- Cloud computing is becoming more and more secure, but consider that an on-premise solution might be preferred depending on the use case.
Cloud Service Models
- Cloud-Based Alternatives
- Cloud-based infrastructure is an alternative to on-premise infrastructure.
- Infrastructure as a Service (IaaS) provides a scalable alternative to expensive on-premise infrastructure and often uses system admins.
- Platform as a Service (PaaS) gives developers hardware and software tools to use over the internet to develop applications without starting from scratch.
- Software as a Service (SaaS) provides software over the internet, usually for a monthly subscription fee, eliminating the need to install software on your computer.
- Cloud service models include IaaS, PaaS, and SaaS.
- Other cloud service models include FaaS (Function as a Service) which is a variation of SaaS and focuses on a function like identity authentication or payment transactions and has a "serverless" billing model.
- Other service models also include Hardware as a Service (HaaS), Database as a Service (DBaaS), Disaster Recovery as a Service (DRaaS), Network as a Service (NaaS), and XaaS (Anything as a Service).
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