|Cloud Computing Interview Questions & Answers - Learning Mode|
LATEST TECHNOLOGIES INTERVIEW QUESTIONS
CLOUD COMPUTING INTERVIEW QUESTIONS QUESTIONS & ANSWERS - LEARNING MODE
Cloud Computing Interview Questions & Answers - Learning Mode
Cloud Computing refers to manipulating, configuring, and accessing the hardware and software resources remotely. It offers online data storage, infrastructure, and application. In the simplest terms, cloud computing means storing and accessing data and programs over the Internet instead of your computer's hard drive. The cloud is just a metaphor for the Internet. Cloud computing is a kind of Internet-based computing that provides shared processing resources and data to computers and other devices on demand. Cloud computing is a type of computing that relies on sharing computing resources rather than having local servers or devices to handle applications.
|Try Cloud Computing Interview Questions & Answers - Exam Mode|
|Cloud Computing Interview Questions & Answers - Learning Mode|
|Try Cloud Computing Interview Questions & Answers - Exam Mode|
Question: What is the difference in cloud computing and computing for mobiles?
Answer: Mobile computing uses the same concept as cloud computing. Cloud computing becomes active with the data with the help of internet rather than individual device. It provides users with the data which they have to retrieve on demand. In mobile, the applications runs on the remote server and gives user the access for storage and manage. Source: CoolInterview.com
Question: Explain hybrid and community cloud?
Answer: Hybrid cloud: It consists of multiple service providers. It is a combination of public and private cloud features. It is used by the company when they require both private and public clouds both.
Community Cloud: This model is quite expensive and is used when the organizations having common goals and requirements, and are ready to share the benefits of the cloud service. Source: CoolInterview.com
Question: What are the different roles defined by cloud architecture?
Answer: Cloud architecture defines three roles:
- Cloud service consumer: it is used to provide different services to the consumer on demand.
- Cloud service provider: here provider provides the services to meet the requirements of the user by monitoring the traffic and demands that are coming.
- Cloud service Creator: here creator is used to create the services and provide the infrastructure to the user to use and give the access to the resources.
The roles that are being defined can be Source: CoolInterview.com
Question: What are the advantages and disadvantages of PaaS layer?
Answer: Advantages of PaaS cloud computing layer
1) Simplified Development
Developers can focus on development and innovation without worrying about the infrastructure.
2) Lower risk
No requirements of up-front investment in hardware and software. Developers only need a PC and an internet connection to start building applications.
3) Prebuilt business functionality
Some PaaS vendors also provide already defined business functionality so that users can avoid building everyth Source: CoolInterview.com
Question: What are the advantages and disadvantages of IaaS layer?
Answer: Advantages of IaaS cloud computing layer
1) You can dynamically choose a CPU, memory and storage configuration as per your needs.
2) You easily access the vast computing power available on IaaS cloud platform.
3) You can eliminate the need of investment in rarely used IT hardware.
4) IT infra will be handled by the IaaS cloud computing platform vendors.
Disadvantages of IaaS cloud computing layer
There is a risk of IaaS cloud computing platform vendor by gaining Source: CoolInterview.com
Question: What is Cloud Computing?
Answer: Cloud Computing refers to manipulating, configuring, and accessing the hardware and software resources remotely. It offers online data storage, infrastructure, and application. Source: CoolInterview.com
Question: Why we need Cloud Computing?
Answer: Any IT company will need server room for database server, mail server, networking, firewalls, routers, modem, switches, QPS (Query Per Second means how much queries or load will be handled by the server) , configurable system, high net speed and the maintenance engineers.
And for this infrastructure company needs to spend high sum of money. In order to solve this Cloud computing came into existence.
1. Cloud computing offers platform independency, as the software is not required t Source: CoolInterview.com
Question: What is Infrastructure as a Service or IaaS?
Answer: IaaS is one of the layers of cloud computing platform wherein the customer organization outsources its IT infrastructure such as servers, networking, processing, storage, virtual machines and other resources. Customers access these resources over internet i.e. cloud computing platform, on a pay-per-use model.
Iaas, earlier called Hardware as a Service (HaaS), is a cloud computing platform based model.
IaaS cloud computing platform layer eliminates the need for every organization to Source: CoolInterview.com
Question: Explain Virtualization in Cloud Computing?
Answer: Virtualization is a technique, which allows to share a single physical instance of a resource or an application among multiple customers and organizations. It does by assigning a logical name to a physical storage and providing a pointer to that physical resource when demanded. Source: CoolInterview.com
Question: What are the technologies working behind the cloud computing platforms making cloud computing flexible, reliable, and usable?
Answer: 1. Virtualization is a technique, which allows to share single physical instance of an application or resource among multiple organizations or tenants (customers). It does this by assigning a logical name to a physical resource and providing a pointer to that physical resource when demanded.
2. Service-Oriented Architecture helps to use applications as a service for other applications regardless the type of vendor, product or technology. Therefore, it is possible to exchange the data betw Source: CoolInterview.com
Question: What are the different deployment models used in Cloud computing?
Answer: Deployment models define the type of access to the cloud. Following are the type of access:
1. Public cloud allows the accessibility of systems and services easily to general public. Eg: Amazon, IBM, Microsoft, Google, Rackspace etc.
2. The Private cloud allows the accessibility of systems and services within the organization. Private cloud is operated only within a particular organization. But it will be managed internally or by third party.
3. The Hybrid cloud is the mixtu Source: CoolInterview.com
Question: What are the different components required by cloud architecture?
Answer: There are 5 major components of cloud architecture.
1. Cloud Ingress: provides a mean to communicate with the outside world.
This can be done with the help of communication methods such as:
- Queue based communications
- HTTP communications
- Service Bus
2. Processor Speed: processor speed is the major section on which the whole cloud architecture is based. It provides on demand resources that can be dynamically allocated to the user. It saves lots of cost an Source: CoolInterview.com
Question: What is Platform as a Service or PaaS?
Answer: PaaS cloud computing platform is a developer programming platform which is created for the programmer to develop, test, run and manage the applications.
A developer is able to write the application as well as deploy it directly into this layer easily.
PaaS extend and abstract the IaaS layer by removing the hassle of managing the individual virtual machine.
In PaaS cloud computing platform, back end scalability is handled by the cloud service provider and the end user does no Source: CoolInterview.com
Question: What is SaaS or Software as a Service?
Answer: SaaS is a software distribution model in which applications are hosted by a cloud service provider and made available to customers over internet. SaaS is also known as "On-Demand Software".
In SaaS, software and associated data are centrally hosted on the cloud server. SaaS is accessed by users using a thin client via a web browser. Source: CoolInterview.com
Question: What are the different types of service models used in cloud computing?
Answer: Cloud computing is based on service models. These are categorized into three basic service models which are -
Question: Mention some open source cloud computing platform databases?
Answer: The open source cloud computing platform databases are
c)LucidDB Source: CoolInterview.com
Question: Mention the name of some large cloud providers and databases?
Answer: Google bigtable
Cloud based SQL Source: CoolInterview.com
Question: What are the security aspects provided with cloud?
Answer: Identity management: It authorizes the application services
Access control: permission has to be provided to the users so that they can control the access of another user who is entering into the cloud environment.
Authentication and Authorization: Allows only the authorized and authenticated user only to access the data and applications Source: CoolInterview.com
Question: List Cloud Management Tasks?
Answer: Audit System Backups
It is required to audit the backups timely to ensure restoring of randomly selected files of different users. Backups can be performed in following ways:
Backing up files by the company, from on-site computers to the disks that reside within the cloud.
Backing up files by the cloud provider.
It is necessary to know if cloud provider has encrypted the data, who has access to that data and if the backup is taken at different locations then t Source: CoolInterview.com
Question: What are the different types of Virtualization?
Answer: Types of Virtualization:
1) Hardware Virtualization:
When the virtual machine software or virtual machine manager (VMM) is directly installed on the hardware system is known as hardware virtualization.
The main job of hypervisor is to control and monitoring the processor, memory and other hardware resources.
After virtualization of hardware system we can install different operating system on it and run different applications on those OS.
Hardware virt Source: CoolInterview.com
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Latest 20 Questions
An offer which is open for acceptance over a period of time is:
(a) Cross Offer
(b) Counter Offer
(c) Standing Offer
(d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal
"Holiday Packages" announced as an advertisement are an example of _________: (a) Offer (b) Counter Offer (c) Invitation to Offer (d) None of the above
A match fixing contract between a player and a broker is a: (a) Valid Contract (b) Unenforceable Contract (c) Void Contract (d) Illegal Contract
When a bookseller sells a book on cash payment then it is called as ___________: (a) Unilateral Contract (b) Bilateral Contract (c) Executed Contract (d) Executory Contract
____________ agreements are created by situation: (a) Written (b) Oral (c) Void (d) Implied