21 Cloud Computing Interview Questions To Know Before The D-Day!

Introduction

In the easiest way to explain, cloud computing is nothing but the delivery of computing services such as servers, databases, storage, software, analytics, networking, and more over the Internet cloud (“the Cloud”). With it offering businesses colossal cost investment funds, improved processing force, and efficiency gains, more and more companies are shifting gear to the cloud. Therefore, professionals having cloud computing expertise are becoming sought out so much that just in the first half of 2022 more than 50,000 cloud-based job openings were available. These cloud computing jobs vary in roles and responsibilities from engineers, architects, developers, and DevOps engineers, to cybersecurity experts and data scientists. 

So, if you have also applied for one such post you already know how tough it is out there, right? But don’t worry, we have prepared some cloud interview questions and answers that will help you to crack the tough nut of a job interview. We have divided between cloud computing questions for freshers and cloud computing interview questions for professionals. 

In case, you are not sure which particular field you want to go to, have a look at this AWS Architect Certification Course for a better understanding.

Are you ready? Let’s dive in!

Cloud Computing Interview Questions And Answers For Freshers

Q1). What is cloud computing?

Cloud computing is a new-age computer technology that is internet based. It is the next-generation technology that utilizes web-based clouds to provide services whenever and wherever the users need them.

However, to be a reputed AWS professional much depends on the certification you hold, consider going for industry-recognized Cloud computing certifications.

Q2). What are the benefits of cloud computing?

The major advantages of cloud computing are: 

• Data backup
• Storage of data.
• Powerful server capabilities.
• Incremental productivity.
• Very cost-effective and time-saving.
• Software as Service is known as SaaS.

Q3). What is a cloud?

A cloud is an amalgamation of hardware, network, services, storage, and interfaces that aid in delivering computing as a service.

It has three users :

• End users
• Business management users
• cloud service provider

Q4). Mention platforms that are used for large-scale cloud computing.

Apache Hadoop – Apache Hadoop is known to be an open-source software platform for dispersed storage and distributed dispensation of huge data sets on computer bundles built from the product hardware.  Hadoop services supply data storage, data access, data processing, data governance, operations, and security.

MapReduce – Google has definitely revolutionized analysis of large-scale datasets with this great platform. It enables the processing of massive datasets using cloud sources and other commodity hardware. It provides for fault forbearance and clear sociability at the software level.

These are some of the key platforms that are used for large-scale cloud computing. However, if you're preparing to sit for your Cloud Computing certification? We recommend you to go through various AWS blogs available on the JanBask Training that has been curated to help you become Industry-ready!

Q5). What is PaaS?

PaaS is one of the categories of cloud computing that provides a platform and environment to let the developers build apps and services over the internet. PaaS services are hosted in the cloud and are accessed by users simply through their web browsers.

Q6). What is SaaS?

Software as a service (SaaS) is a software distribution model in which a third-party provider hosts applications and makes them accessible to customers over the Internet.

Q7). What is IaaS?

Infrastructure as a service (IaaS) is a form of cloud computing that provides for virtualized computing resources over the internet itself. 

Q8). What is CaaS?

Communications as a Service (CaaS) is an outsourced scheme interactions solution that can be leased from a single vendor over the web.

Q9). What are the basic characteristics of cloud computing? 

• There are four basic characteristics of cloud computing: Self-service provisioning and automatic de-provisioning.
• Elasticity and scalability.
• Billing self-service-based usage model. Standardized interfaces.

Q10). What are the essential things that must be followed before going to a cloud computing platform

The essential things that must be followed are-

• Compliance issues
• Data storage types
• Maintaining data integrity in the cloud
• Ensuring availability and access
• Protection from loss of data
• Business continuity
• Uptime – reduction of downtime 

Note: AWS is a big domain with multiple job roles. If you are a beginner looking to excel in your career in AWS. Check out the best High-Paying Cloud Certifications in 2022 that can remarkably boost your career.

11. What is the classification of Cloud Computing services? 

Cloud computing services are classified into three broad categories namely:

• Infrastructure As A Service (Iaas),
• Platform As A Service (Paas), And
• Software As A Service (Saas).
• These services are sometimes called the “cloud computing stack”, for the reason that they are built on top of one another.

Cloud Computing Interview Questions And Answers For Professionals

For the professionals who are looking to attend Cloud Computing interviews recently, here are some of the most popular interview questions and answers that will help you in the right way. Over here, we have included the top frequently asked questions with answers to help the freshers as well as the experienced professionals in the field.

Cloud Computing Interview Questions And Answers For Experienced

Q12). What are the different layers that define cloud architecture?

The different layers used by cloud architecture are

• CLC or Cloud Controller
• Cluster Controller
• Walrus
• NC or Node Controller
• SC or Storage Controller

Q13). Mention About Applications Now A Days?

Topmost cloud computing apps include google docs which are very fast and secure. There is also an extended mobile version of google docs app so that you can have access to your data from your smartphone. Pixlr and Phoenix, jaycut also are some of the apps used for cloud computing.

Q14). What are the types of data used in cloud computing?

There are many different data types used in cloud computing like emails, images, contracts, blogs, etc. As it is a known fact that data is increasing day by day so it is essential for the new data types to securely store these new data types. For instance, if you wish to store video then you need a new data type.

Q15). How can a company benefit from cloud computing?

A company can benefit from cloud computing in the following ways-

• More secure data backup and data storage
• Software as a service (SaaS)
• Take advantage of powerful server capabilities without hardware investment
• Platform and OS agnostic
• Better positioning for growth and scale
• Increased productivity
• Sandboxing and virtualization capabilities
• Cost-effectiveness 

Q16). How can you best secure data for transportation to the cloud?

First of all make sure that your data cannot be blocked as it moves into the cloud storage by making sure that there are absolutely no data leaks —malevolent or not, from its cloud storage. This can be easily accomplished by using a secure key.

While working on these interview questions, you can try this Free AWS quiz for better subject understanding and knowledge.

Q17). What is Security management in terms of Cloud Computing?

Here are the popular security management processes in terms of cloud computing- 

• Identity management- It provides access to the authorization of application services.
• Access control permission- It provides users to have complete controlling access of another user too who is entering into the same cloud environment.
• Authentication and Authorization- It provides access to only the authorized and authenticated personnel to securely access the data and applications.

Q18). Mention is the difference between elasticity and scalability in cloud computing?

Scalability is a typical characteristic of cloud computing which is used to handle the escalating workload by escalating in proportion to the amount of resource capacity. By the use of scalability, the architecture provides resources on requirement BA is resources as and when the requirement is being raised by the traffic. On the other hand, Elasticity is a characteristic that provides for the concept of commissioning and decommissioning of the huge amount of resource capacity dynamically. It is usually measured by the speed by which the resources are coming on demand and the usage of those resources.

Tip: Amazon Web Services is the hottest cloud computing infrastructure with a hyper-scale market share of 49 percent. If you want to know which AWS Jobs are trending check out the AWS Developer Salary Guide, get real numbers & choose the right career.

Q19). What are Hybrid Clouds?

Hybrid clouds are nothing but a combination of public clouds as well as private clouds. It is usually preferred over both clouds because it applies the most healthy approach to the implementation of the cloud architecture. It includes the functionalities as well as the features of both worlds at the same time. It allows the organizations to design their own cloud and permit them to give control over to someone else as well.

Q20). What is "EUCALYPTUS" in cloud computing?

EUCALYPTUS is an acronym that stands for Elastic Utility Computing Architecture For Linking Your Program To Useful Systems. It is used to execute clusters in cloud computing platforms.

Q21). What is the difference between cloud computing and mobile computing?

Mobile computing and cloud computing are slightly similar concepts. Mobile computing uses the concept of cloud computing. Cloud computing, on the other hand, provides its users with the data which they require while migrating or working in mobile computing for the apps running on the remote server systems and gives the user access for storage and management of data.

Final Thoughts On Cloud Computing Interview Questions and Answers

Well, someone has rightly said that interviews are more stressful than the job is. Many times we just wish that we do not have to do that entire one-on-one session. But you don’t need to stress too much over the result. Just focus on your preparation, do your best, and be confident about whatever you have learned so far and you are good to go. And if you were worried about what kind of cloud computing interview questions I'd be facing, we hope this blog has given you some directions. Consider, joining a professional institute like JanBask Training for professional courses and insightful articles. 

In this blog on the Cloud Computing interview questions blog, we shared a list of some popular questions that are often asked by hiring managers in any Cloud Computing interview. So, give a jumpstart to your AWS professional career by enrolling yourself in a comprehensive AWS Certification Course, today! Also, join our professional JanBask AWS Community to connect with industry experts and professionals. 

All the best!

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