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ECommerce Portal Interview Questions & Answers - Learning Mode
COOLINTERVIEW.COM OPEN SOURCE APPLICATIONS INTERVIEW QUESTIONS ECOMMERCE PORTAL INTERVIEW QUESTIONS QUESTIONS & ANSWERS - LEARNING MODE

ECommerce Portal Interview Questions & Answers - Learning Mode

Electronic commerce, commonly written as e-commerce or eCommerce, is the trading or facilitation of trading in products or services using computer networks, such as the Internet. B2C Model - B2C (Business to Consumer) is the online selling of products or services by a company to a consumer for his/her own use. It refers to the selling or buying of products and services through the Internet from web retailers to web customers. B2C Ecommerce portals are a great way to promote brand and products.

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BV Commerce Interview Questions & Answers (1) Learning Mode | Exam Mode

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LISTEQ Cloud Desktop Interview Questions & Answers (0) Learning Mode | Exam Mode

Magento ECommerce Interview Questions & Answers (0) Learning Mode | Exam Mode

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ECommerce Portal Interview Questions & Answers - Learning Mode
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Question: What is the Java Community Process?

Answer: The Java Community Process (JCP) is a program that manages the development of standard technical specifications for Java technology. The JCP catalogs Java Specification Requests (JSRs), which are formal proposals that document the technologies which are to be added to the Java platform. JSRs are run by an Expert Group, which typically comprises representatives of companies that are stakeholders in the industry. The JCP enables Java technology to grow and adapt according to the needs and trends o Source: CoolInterview.com
Question: What is the best format to create e-learning that can be used on mobile and desktops ?

Answer: If you are designing for both mobile and desktop, you?ll want to make sure your course outputs to HTML5. If your desktop users are likely to be using older browsers, then they may have trouble with HTML5. If that?s the case, you may want to use a tool that offers both Flash and HTML5 output, like Adobe Captivate or Articulate Storyline. If you want your courses to work well on a phone, you probably want responsive design, which reconfigures the course based on the person?s device size. Adobe Cap Source: CoolInterview.com
Question: How does a 3 tier application differ from a 2 tier one?

Answer: Tiers are the physical units of separation or deployment, while layers are the logical units of separation.
Imagine that you?re designing an e-commerce website. A 3 tier architecture would consist of web pages, a web server and a database, with the corresponding 3 layers being the ?Presentation?, ?Business Logic? and ?Database? layers.
If you take the database tier and layer out then your have a 2 tier architecture. Source: CoolInterview.com
Question: How does the version control process works?

Answer: Initiate, pull, branch, merge, commit, push.
(Init) Make your own repository. (Pull) Download an existing repository from a url. (Branch / Merge )Make revisions. Commit then push your modifications. Source: CoolInterview.com
Question: How Better Backend Integration Using AJAX

Answer: Using JavaScript, a visitor could interact with a page. But if he wanted to load another page or complete a new form, he?d have to wait for the server to respond with a new page or a new form.

While this worked okay, it wasn?t very smooth. It was frustrating, for example, to change shopping cart quantities for five items and remove a few others. Each change would take a few seconds to load. Shoppers would often become annoyed and leave.

Enter AJAX ? Asynchronous JavaScript and XML Source: CoolInterview.com
Question: What is the output of the following program ?

Answer: Class Test{
public static void main(String [] args){
int a=8;
a=--a+a--+a++;
System.out.println(a );
}} Source: CoolInterview.com
Question: What is the difference between checked and unchecked exceptions ?

Answer: In general, unchecked exceptions represent defects in the program (bugs), which are normally Runtime exceptions.
Furthermore, checked exceptions represent invalid conditions in areas outside the immediate control of the program. Source: CoolInterview.com
Question: What is the wait/notify mechanism?

Answer: This deals with concurrent programming. The wait() and notify() methods are designed to provide a mechanism to allow a thread to be block until a specific condition is met.
However, java.util.concurrent should be used instead of wait() and notify() to reduce complexity. Source: CoolInterview.com
Question: What is the difference between web server and app server?

Answer: A Web server exclusively handles HTTP requests, whereas an application server serves business logic to application programs through any number of protocols. Source: CoolInterview.com
Question: How would you Test a Service Oriented Architecture Web Application?

Answer: The testing of web applications that communicate with a web service can be broken down in two parts:

Testing of the Web Service in isolation. Each web service has one or more functions which can be tested by sending appropriate requests and analyzing the response and verifying correct data is returned in the response. We can use tools such as SoapUI to test a Soap Service or Rest Client to test a RESTful web service.
Integration Testing of Web Service with the Front End. The integratio Source: CoolInterview.com
Question: Which type of binding does PL/SQL use?

Answer: Before a PL/SQL program can be executed, it must be compiled. The PL/SQL compiler resolves references to Oracle objects by looking up their definitions in the data dictionary. Then, the compiler assigns storage addresses to program variables that will hold Oracle data so that Oracle can look up the addresses at run time. This process is called binding.

How a database language implements binding affects runtime efficiency and flexibility. Binding at compile time, called static or early bi Source: CoolInterview.com
Question: What this Tutorial Covers

Answer: The content of this tutorial caters to four demographics:
Java developers interested in expanding their skill set to include Java EE technologies
Newcomers to the NetBeans IDE wanting to try out its development environment
Web developers wanting to see how Java compares to other web-based technologies
Students wanting to understand the nuts and bolts a simple e-commerce application, and how its development could apply to a real-world use-case
If you fall into any of these categori Source: CoolInterview.com
Question: What is an E-commerce Application?

Answer: The term e-commerce, as we think of it today, refers to the buying and selling of goods or services over the Internet. For example, you may think of Amazon, which provides online shopping for various product categories, such as books, music, and electronics. This form of e-commerce is known as electronic retailing, or e-tailing, and usually involves the transportation of physical items. It is also referred to as business-to-customer, or B2C. Other well-known forms include:
Consumer-to-consume Source: CoolInterview.com
Question: What is the difference between JAR and WAR files?

Answer: JAR files (Java ARchive) allows aggregating many files into one, it is usually used to hold Java classes in a library.
WAR files (Web Application aRchive) stores XML, java classes, and JavaServer pages for Web Application purposes. Source: CoolInterview.com
Question: What are the HTTP response code blocks and what do they mean?

Answer: After a request is sent to a server, there are different possible response codes which can be returned by the server:

The blocks are:

2xx for Success, the most common one is 200 which means ?OK?.
3xx for Redirection, the most common ones are 301 and 303 which mean ?Permanent Redirect? and ?Redirect for Undefined Reason?, respectively.
4xx for Application Error, the most common ones are 403 and 404 which mean ?Forbidden? and ?Not Found?, respectively.
5xx for Server Error, Source: CoolInterview.com
Question: What is the difference between UNION and UNION ALL?

Answer: This deals with SQL. UNION only selects distinct values, UNION ALL selects all values. Source: CoolInterview.com
Question: How can you make sure the we b application is fit for release?

Answer: We can Automate majority of test cases, but most importantly we can use test techniques such as Pair-wise testing to reduce combinations and/or model based testing to plan user journeys to ensure major functionality of web application works.
We can also use analytics to gain insight into what users do on the website, which page is most popular and which feature is most used by users. Source: CoolInterview.com
Question: What is a Left outer join?

Answer: This deals with SQL. Left outer join preserves the unmatched rows from the first (left) table, joining them with a NULL row in the shape of the second (right) table. Source: CoolInterview.com
Question: what is Disadvantages, Costs of JavaScript?

Answer: JavaScript provides ecommerce sites a powerful tool to improve their shoppers? experiences. But it?s not without a cost.

For example, seemingly simple interactions on the frontend can become complex underneath. Say you want your search form to automatically show the first five results. Simple, right? Here?s what is actually involved.

Add JavaScript to wait for a user to start typing in a field.
After three characters, make an AJAX request to the server with the search term.
O Source: CoolInterview.com
Question: Explain the Struts1/Struts2/MVC application architecture?


Answer: Struts was adopted by the Java developer community as a default web framework for developing web applications
The MVC(Model?view?controller) an application that consist of three distinct parts. The problem domain is represented by the Model. The output to the user is represented by the View. And, the input from the user is represented by Controller. Source: CoolInterview.com

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Latest 20 Questions
Payment of time- barred debt is: (a) Valid (b) Void (c) Illegal (d) Voidable
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
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
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