Monday, 8 April 2019

Best 50 AWS Interview Question and Answers 2019

AWS services in simple terms. Amazon Web Services is a cloud computing platform that provides customers with a broad range of cloud services. … Likewise, AWS is one of the cloud computing providers that provides us with computing, storage, network services and more that we can afford as we use it.
That said, EC2 is IaaS and is probably the only AWS offering that falls into the IaaS category. Using EC2, AWS users can provision processes, networks and storage by simply calling various APIs. … AWS Elastic BeanStalk is PaaS. This diagram shows the differences between Iaas, PaaS and SaaS.
AWS and Azure are subsets in terms of cloud computing. Both are used to build and host applications. Azure has helped many companies as a platform like PaaS. … Storage: – AWS has a temporary storage that is allocated after an instance is started and destroyed when the instance is concluĂ­da.
AWS is different from your private cloud! Many people see public cloud services, such as AWS, Microsoft Azure or Google Cloud, as a larger pay-per-use version for their private cloud. … To take full advantage of it, you can not operate your public cloud in exactly the same way.
Here is the list of 10 giant clients that attach huge checks to AWS.
Netflix.
Unilever.
Kellog .
GEZynga.
MI.
Pfizer.
Samsung.
The AWS platform provides the secure, reliable, and low-cost way to deliver single-user or multi-tenant SaaS solutions. The launch of AWS ‘global SaaS partner program offers a number of benefits designed to help you create and develop SaaS solutions at AWS. … The construction stage provides SaaS service hours.
The best free cloud storage for 2019 Google Drive.pCloudMicrosoft OneDrive.Dropbox.MediaFire.
The 5 best platforms and solutions in the cloud to choose Amazon Web Services: Amazon Web Services (AWS) is a subsidiary of Amazon (a leading e-commerce company). … Google Cloud Platform: Google offers its public cloud computing solutions under the Google Cloud Platform name. … Microsoft Azure: … IBM Bluemix: … Alibaba:
The Lambda AWS is similar to how a platform works as a service (PaaS). In a platform as a servie, you usually create an application and implement it in a PaaS. … This is the reason why many people use the term to function as a service (FaaS) when describing AWS Lambda or Serverless architectures.
According to W3tech, AWS hosts approximately 4.7% of all sites. Note that there are 1,800 million host names and 178 million sites. Now take a step further, from the traffic point of view, some statistics say that Netflix accounts for approximately 40% of all Internet traffic.
AWS is going beyond IaaS and PaaS. Amazon Connect is the latest example of AWS, Microsoft and Google that uses its infrastructure to provide more business services. Last week, Amazon Web Services launched Amazon Connect, a cloud-based contact center service. … Of course, it’s easy to integrate with the AWS IaaS cloud.
SaaS in the AWS market. Amazon Web Services (AWS) provides a reliable, secure, and low-cost foundation for you to use when creating and delivering software and service (SaaS) solutions to customers.
Amazon EC2 now allows customers to instantly change the lifetime of dedicated VPCs to standard VPCs using the AWS CLI / SDK. The dedicated property ensures that all EC2 instances starting in a VPC run on dedicated hardware for a single client.
Following are the top cloud computing companies: Amazon Web Services, Kamatera, Microsoft Azure, Google Cloud Platform, Adobe.VMware, IBM Cloud.Rackspace.
AWS Lambda is Amazon’s serverless computer service. You can run your code without having to manage servers or even containers. It will scale automatically depending on the amount of work you provide. You can use it in data channels or respond to requests from the Web or even write and send emails.
AWS Lambda is an event-based, event-free computing platform provided by Amazon as part of Amazon’s Web services. It is a computing service that executes code in response to events and automatically manages the computing resources required by that code.
Amazon Web Services (AWS) is a set of Internet computing services that, unless you run tech start-up pay close attention to Amazon earnings reports, you may have never heard of them. Losing Seattle-based compassion has become the responsibility of managing better Internet performance.
Amazon Web Services (AWS) are an ampl global. organize. Get more information about AWS products available in the cloud.
AWS Elastic Calculation Service or EC2 is IaaS (Infrastructure as a Service). This is the case for Amazon assuming the responsibility of the networks, storage, server and virtualization, the responsible for the management of the operating system, the middleware, the execution time, the data and the application.
Amazon Elastic Compute Cloud (Amazon EC2) provides Amazon Web Services (AWS) network scalability. … You must use Amazon EC2 to start the world with fewer virtual servers as needed, configure security and red, and manage storage.
Security in the cloud en AWS is the highest priority. As the AWS customer, you benefit from a data center and red designed architecture to meet the requirements of organizations most sensitive to security. The cloud of AWS is a platform to scale and innovate as it maintains a secure environment.
The best cloud computing services of 2018.Rackspace Cloud. Great platform in the world with a personal touch. … IBM Cloud. Cloud services at reasonable prices from one of the masters of technology. … Amazon Web Services. Creative cloud computing from one of the big names. … Microsoft Azure. A wide range of services from a technological giant. … Google Cloud.
Agility: Azure is fast in terms of implementation, operation and scalability. It is the competitive test for companies to adopt Azure. Technology is better than the upgrade, infrastructure and applications of the system become agile.
Azure and AWS, Microsoft Azure, and the Google Cloud Platform have multiple pages with flexible content, storage, and networking. They all share the common elements of a public cloud: self-service and instant provisioning, self-scaling, as well as security, compliance, and identity management functions.
The Cloud Drive service, which is based on Amazon’s web services, also allows customers to store music, videos, and documents. Losing pagan paganism alone in favor of unlimited storage: Amazon is not available for an apartment available to members that it is not a Prime child, but rather a fee.
The cloud is full of free storage if you know where to look. From Box to DropBox, from Google to Apple, there’s plenty of free storage in the cloud. Many companies use free cloud storage as a way to attract users to the clouds, hoping they will pay more for additional storage.
AWS is different from your private cloud! Many people see public cloud services, such as AWS, Microsoft Azure or Google Cloud, as a larger pay-per-use version for their private cloud. … To take full advantage of it, you can not operate your public cloud in exactly the same way.
While it may be said that Microsoft is best known for being the company behind Windows, its cloud business may soon be big business in terms of revenue. … Amazon introduced its Amazon Web Services Cloud (AWS) years earlier, and today AWS is the market leader, while Azure is in second place.
AWS Lambda is an event-based, event-free computing platform provided by Amazon as part of Amazon’s Web services. It is a computing service that executes code in response to events and automatically manages the computing resources required by that code.
The Lambda AWS is similar to how a platform works as a service (PaaS). In a platform as a service, you usually create an application and implement it in a PaaS. … This is the reason why many people use the term to function as a service (FaaS) when describing AWS Lambda or Serverless.
A cloud server is a logical server that is created, hosted, and delivered through a cloud computing platform over the Internet. Cloud servers have and exhibit features and functionality similar to those of a typical server, but are accessed remotely from a cloud service provider.
Amazon Elastic Compute Cloud (EC2) provides virtual servers, called instances, for computing capacity. … Amazon EC2 Container Service and EC2 Container Registration allow customers to work with Docker containers and images on the AWS.
The three main types of cloud computing are IaaS, PaaS and SaaS: infrastructure, platform and software as a service, respectively. … Gmail is a SaaS cloud computing service. When you use Gmail, you’re not hosting your own mail server.
The scalable cloud computing capability of Amazon Web Services using Amazon ec2 eliminates the need to invest in hardware in advance. … you can use Amazon ec2 to start as many or as many virtual servers as you need to configure. Security and networks and storage management from Amazon. EC2 is active.
Amazon Simple Storage Service (S3) and Amazon Elastic Compute Cloud (EC2) are two of AWS ‘main storage services. The S3 is lighter and provides the ability to store data. EC2, on the other hand, is a Web service that provides secure computing capacity and variable size in the cloud.
AWS Lambda is Amazon’s server less computer service. You can run your code without having to manage servers or even containers. It will scale automatically depending on the amount of work you provide. You can use it in data channels or respond to web requests or even write and send emails.
AWS Lambda is a computing service that allows you to execute codes without provisioning or managing servers. AWS Lambda runs your code only when needed and is scaled automatically from a few requests per day to thousands per second. You pay only for the calculation time you consume, there is no charge when your code is not running.
An easier way to create AWS Lambda implementation packages: with Docker instead of EC2. Our team writes AWS Lambda functions in Python 3.6. … Your environment is probably different from the Lambda environment in a meaningful way. Python wheels with compiled binaries, for example, can work on the Mac, but fail on Linux.
The Amazon EC2 administration service contains a scalable management service that supports Docker containers and allows you to easily run distributed applications in a managed cluster of Amazon EC2 instances. … The AWS Lambda provides easy size and high availability for your code without additional effort on your part.
Amazon RedshiftA. Amazon Redshift is a fully managed petabyte-scale data storage service. Redshift is designed for analytic workloads and connects to standard SQL-based clients and business intelligence tools.
Amazon Redshift manages the work required to configure, operate and scale a data warehouse, from provisioning infrastructure capacity to automating administrative tasks in progress, such as backups and corrections. Amazon Redshift automatically monitors your nodes and units to help you recover from failures.
Overview of the Amazon Redshift system. An Amazon Redshift data warehouse is an enterprise-class relational database management and query system. Amazon Redshift supports connections from clients with many types of applications, including business intelligence (BI) tools, reports, data and analysis.
‘Red shift’ is a key concept for astronomers. The term can be understood literally – the wavelength of the light is stretched, then the light is seen as “displaced” towards the red part of the spectrum. Something similar happens with sound waves when a sound source moves in relation to an observer .
Postgres does not use several cores for a single query. Although this allows more queries to be executed in parallel, no single query can use all the resources of the machine. Redshift stores the data of each table in thousands of blocks called blocks. … This allows the Redshift cluster to use all its resources in a single query.
The Offer is subject to the AWS Customer Agreement and is a Special Benefit Program under the AWS Service. … Elastic Load Balancing resource integrity checks and bucket endpoints from the Amazon S3 website are provisioned automatically by AWS and are available at no additional cost as part of Amazon Route 53.
Amazon Route 53 effectively connects user requests to the infrastructure running on AWS – such as Amazon EC2 instances, Elastic Load Balancing load balancers or Amazon S3 buckets – and can also be used to route users to the infrastructure outside of AWS.
“It is designed to maintain predictably high performance and be highly efficient in terms of cost for workloads from any scale, from the smallest to the largest Internet scale applications.” NoSQL databases, such as DynamoDB, are a response to traditional relational databases, such as the Oracle database and open source MySQL.
AWS EBS using SSD vs. HDD. The Amazon Elastic Block Store or the AWS EBS provides durable storage at the block level. The AWS EBS is used with instances of EC2, connected as disk storage volumes. … You can attach several volumes of EBS to an instance of EC2, but the inverse is not possible.
The AWS Auto Scaling is a service that automatically monitors and adjusts computing resources to maintain the performance of applications hosted in the public Amazon Web Services (AWS) cloud. … The AWS Auto Scaling differs from the Auto Scaling tool of the cloud provider, which can only scale individual services.
Amazon Web Services (AWS) is a secure platform for cloud services offering computing power, database storage, content delivery and other features to help businesses grow and grow.

Friday, 5 April 2019

Best Top 35 Dotnet Interview Questions and Answers 2019

1. What is .net?
It is a microsoft framework to build various applications in windows.
It has a list of inbuilt functionalities in the form of class ,library and Apis which are used to build ,deploy and run web services and different applications.
It supports different languages such as C#,Vb.net,Python,cobol,perl etc…
2. What is CTS?
Common Type System.It has set of rules which state how a datatype should be declared ,defined and used in the program.
3. What is state management in Asp.net?
It means maintaining the state of the objects. The object here refers to a web control/page. Two Types-client and server side
4. What is caching?
It is the process of storing the data in the temporary memory location to speed up the process. There are 3 types-page,Data and Frame Caching
5. Explain CAS?
Code Access Security-that prevents unauthorized access to information. Its present in CLR-common language runtime.
6. What is globalization?
An exising project can be converted into support multiple languages to work with different cultures.
Localization means changing the already globalized app to cater to a specific language
7. What are the different validators in Asp .net?
  • Required field
  • Range
  • Compare
  • Custom
  • Regular expression
  • Summary
8. What is cross page posting?
When click on the submit button, the data is sent to the different page is called cross page posting.
9. What is Boxing and Unboxing?
Boxing-assigning a value to the object type, Where in the reverse process of sending the reference to datatype -Unboxing.
10. Differentiate Strong typing and weak typing?
In strong typing-the datatypes of the variable are checked at compile time. Weak typing-the datatypes are checked at runtime.
11. What are the different types of Cookies?
Session cookies:-resides on the client machine for the session user does not log out. Persistant cookies-data is saved in user machine for around 10 days.
12. What is executescalar and executeNonquery?
Execute scalar returns a value. Ececute non query will not return a value but it will affect number of rows.
13. What is the advantage of using collections over arrays?
The advantage of using collection over arrays are we can dynamically increase the size of the collection while in array its not possible.
Collections can store the different datatypes while in arrays its not.
14. What are the different ways a method can be overloaded?
3 ways -by changing the number of parameters,changing the order of parameters,using different datatypes of the parameters.
15. What do you meant by a namespace?
Namespace is consodered as a container that contains functionally related group of classes and other types.
16. Can you specify the access modifiers inside the for methods inside the interface?
All the methods inside the interface are always public by default, We cannot specify any other access modifier to them.
17. Define enumeration.
Enumeration is defined as value type that consists of set of named values.They otherwise called as constants.its passed with keyword enum keyword.
18. How oops differ from procedures?
Procedures-depends on modular approach. Access modifiers are not used in procedural programming.
19. What is MVC?
Model View Controller, Model-to develop base class. View-is to produce the controller views. Controller-is to connect model and views.
20. What is asp.net?
Active Server Pages-it is used to build web applications, web servers, web services
21.Which server is used in asp net?
The server is used in asp net Internet Information Server (IIS) is one of the most popular Microsoft Web servers used to host and provide Internet-based services for ASP.NET and ASP Web applications. A web server is responsible for providing a response to requests from users. What is the use of the server? Servers can provide many features, often called “services,” such as sharing data or resources between multiple clients, or performing calculations for a client. A single server can serve multiple clients and a single client can use multiple servers.
22.How does the server work?
The hosting server functions as a web server that contains all the files needed to view a web and administer an interactive interface with a web browser. Data servers contain files that people are discouraged sharing over a network. Essentially, all of these child storage servers to file the ones that must access more than one external computer.
23.How Many Types of Servers Exist?
These computers, called clients, can connect to a server through a local area network (LAN) or a wide area network (WAN), such as the Internet. There are several different types of servers, including Web servers, mail servers, and file servers. A web server serves web pages to the computers that connect to it.
24.What is the ASP NET class?
Classes … Similarly, classes define objects by telling another code what the object contains and what it can do. Classes are essential in object-oriented programming (just like in ASP.NET). You define a class to group some common codes and properties, as if you were combining parts of the clock to build a clock.
25.What is the main purpose of a server? What is the purpose of a computer server?
A server is a computer that is used on a network and that provides a service to a client. Servers generally have more processing, memory, and storage capacity than client computers.
26.What are the main types of network?
We have prepared this handy reference guide to explain the types of networks used today and what they are used for. Personal Area Network (PAN) … Local Area Network (LAN) … Wireless Local Area Network (WLAN) … Campus Area Network (CAN) … Metropolitan Area Network (MAN) … Wide area network (WAN) … Storage area network (SAN)
27.What is a server hardware?
A server is a type of computer that provides processing and memory resources for different workloads. The term server may refer to the computer itself or to a program that offers a service, such as an e-mail management system. Most references related to hardware refer to the physical machine.
28.What is the difference between a server and a computer?
Main differences between a desktop and a server. Many people mistakenly believe that a server is no different from an ordinary computer. … Although almost every computer that meets the minimum hardware requirements can run a server operating system that by itself does not make a desktop computer a true server.
29.Is the browser a hardware or software?
Computer hardware is any physical device used on or with your machine, while the software is a collection of code installed on your computer’s hard drive. For example, the computer monitor you are using to read this text and the mouse you are using to navigate this web page is your computer’s hardware.
30.What is the server machine?
A server is a computer program that provides a service to other software (and its user). In a data center, the physical computer on which a server program is running is also known as a server. This machine can be a dedicated server or it can also be used for other purposes.
31.Is it a database software or hardware?
A database is an organized collection of data, usually stored and accessible electronically from a computer system. … The database management system (DBMS) is software that interacts with end users, applications and the database itself to capture and analyze data.
32.Why is the server used?
Servers are usually dedicated (meaning that it performs no other task than server tasks). Because a server is designed to manage, store, send, and process data 24 hours a day, it needs to be more reliable than a desktop computer and offers a variety of features and hardware that are not normally used on a desktop computer. average.
33.What is server and why it is used?
“The server and the data server” means an information server providing a software service (and its user). In a data center, computera physical in the running a server program is also known as server. It is a machine that can be a site dedicated to personal use also for other purposes.
34.Which child benefits from a server?
Won from a server on a server computer: Containing servers more powerful than a desktop computer. Multiple processor cores, multiple cores and multiple hops. Therefore, virtual machines can reside on a single server and compromise performance.
35.How much does a server cost for a small business?
This will determine or initial purchase price, which can range from $ 3,000 to $ 5,000 for a small business. So you always have the option to spend more or less depending on how much you have from the server. This is also the first type of server on which the customer must reverse your business.