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Website Builder Interview Questions & Answers - Learning Mode
COOLINTERVIEW.COM OPEN SOURCE APPLICATIONS INTERVIEW QUESTIONS WEBSITE BUILDER INTERVIEW QUESTIONS QUESTIONS & ANSWERS - LEARNING MODE

Website Builder Interview Questions & Answers - Learning Mode

Website builders are tools that typically allow the construction of websites without manual code editing. They fall into two categories: Online proprietary tools provided by web hosting companies. These are typically intended for users to build their private site. Some companies allow the site owner to install alternative tools (commercial or open source) - the more complex of these may also be described as Content Management Systems; Offline software which runs on a computer, creating pages and which can then publish these pages on any host. (These are often considered to be "website design software" rather than "website builders".)

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Website Builder Interview Questions & Answers - Learning Mode
Try Website Builder Interview Questions & Answers - Exam Mode
Question: How do you avoid an ANR?

Answer: You basically want as little work done as possible on the main thread, also known as the ?UI thread?. Since that is the core single thread that your application runs on, you would want to keep activities that require more complex computations or network and database connections, for example, on separate worker threads so as not to slow down the main thread. Source: CoolInterview.com
Question: What is an ETag and how does it work?

Answer: An ETag is an opaque identifier assigned by a web server to a specific version of a resource found at an URL. If the resource content at that URL ever changes, a new and different ETag is assigned.

In typical usage, when an URL is retrieved the web server will return the resource along with its corresponding ETag value, which is placed in an HTTP ?ETag? field:

ETag: "unique_id_of_resource_version"
The client may then decide to cache the resource, along with its ETag. Later, if t Source: CoolInterview.com
Question: What is the difference between Service-Oriented Architecture (SOA) and a Web Service?

Answer: SOA (Service-Oriented Architecture) is an architectural pattern that makes possible for
services to interact with one another independently.

Web Services is a realization of SOA concept, that leverages XML, JSON, etc. and common Internet protocols such as HTTP(S), SMTP, etc.
SOA is a system-level architectural style that tries to expose business. WOA is an interface-level architectural style that focuses on the means by which these service capabilities are exposed to consumers. Source: CoolInterview.com
Question: What is Cross-origin resource sharing (CORS)? How does it work ?

Answer: Cross-origin resource sharing (CORS) is a mechanism that allows many resources (e.g., fonts, JavaScript, etc.) on a web page to be requested from another domain outside the domain from which the resource originated. It?s a mechanism supported in HTML5 that manages XMLHttpRequest access to a domain different.

CORS adds new HTTP headers that provide access to permitted origin domains. For HTTP methods other than GET (or POST with certain MIME types), the specification mandates that browsers Source: CoolInterview.com
Question: What all items AIDL supports in case of Website Builders?

Answer: AIDL supports charSequence, list, map, string, and all types of native java data types. Source: CoolInterview.com
Question: What is Web Services Description Language (WSDL)?

Answer: WSDL (Web Services Description Language) is an XML format for describing web services and how to access them. Source: CoolInterview.com
Question: What is Long polling, how does it work, and why would you use it?

Answer: There are two important drawbacks that need to be considered when using long polling:

Long polling requests are not different from any other HTTP request and web servers handle them the same way. This means that every long poll connection will reserve server resources, potentially maxing out the number of connections the server can handle. This can lead to HTTP connection timeouts.
Each web browser will limit the maximum number of connections web application can make. This means that y Source: CoolInterview.com
Question: What do you mean by Storage Classes?

Answer: Storage class are used to specify the visibility/scope and life time of symbols(functions and variables). That means, storage classes specify where all a variable or function can be accessed and till what time those variables will be available during the execution of program. Source: CoolInterview.com
Question: What is "Copy Constructor" and when it is called?

Answer: Copy constructor is a special constructor of a class which is used to create copy of an object. Compiler will give a default copy constructor if you don't define one. This implicit constructor will copy all the members of source object to target object.
Implicit copy constructors are not recommended, because if the source object contains pointers they will be copied to target object, and it may cause heap corruption when both the objects with pointers referring to the same location does a Source: CoolInterview.com
Question: Describe the key advantages of HTTP/2 as compared with HTTP 1.1 ?

Answer: HTTP/2 provides decreased latency to improve page load speed by supporting:

Data compression of HTTP headers
Server push technologies
Loading of page elements in parallel over a single TCP connection
Prioritization of requests
An important operational benefit of HTTP/2 is that it avoids the head-of-line blocking problem in HTTP 1. Source: CoolInterview.com
Question: What is a "MIME Type", what does it consist of, and what is it used for?

Answer: MIME is an acronym for Multi-purpose Internet Mail Extensions. It is used as a standard way of classifying file types over the Internet.

Web servers and browsers have a defined list of MIME types, which facilitates transfer of files of a known type, irrespective of operating system or browser.

A MIME type actually has two parts: a type and a subtype that are separated by a slash (/). For example, the MIME type for Microsoft Word files is application/msword (i.e., type is applicatio Source: CoolInterview.com
Question: Explain the purpose of each of the HTTP request types when used with a RESTful Web Service?

Answer: The purpose of each of the HTTP request types when used with a RESTful web service is as follows:

GET: Retrieves data from the server (should only retrieve data and should have no other effect).

POST: Sends data to the server for a new entity. It is often used when uploading a file or submitting a completed web form.

PUT: Similar to POST, but used to replace an existing entity.

PATCH: Similar to PUT, but used to update only certain fields within an existing entity.
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Question: What are Web Services ?

Answer: Web Services are client and server applications that communicate over the World Wide Web?s (WWW) Hyper Text Transfer Protocol (HTTP). Web Services provide a standard means of inter operating between software applications running on a variety of platforms and frameworks. Source: CoolInterview.com
Question: What are containers ?

Answer: Containers holds objects and widgets together, depending on which items are needed and in what arrangement they need to be in. Containers may hold labels, fields, buttons, or even child containers, as examples. Source: CoolInterview.com
Question: What is Message Transmission Optimization Mechanism (MTOM)?

Answer: MTOM (Message Transmission Optimization Mechanism) is a mechanism for transmitting large binary attachments with SOAP messages as raw bytes, allowing for smaller messages.
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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