Top 50 HTTP Interview Questions and Answers

A status code is a two-digit code used in medical billing to indicate the status of a claim or service.

• Status codes are used to indicate whether a claim has been accepted, rejected, or is pending.

• They can also indicate the reason for a denial or reje...read more

HTTP is unsecured while HTTPS is secured with SSL/TLS encryption.

• HTTP stands for Hypertext Transfer Protocol while HTTPS stands for Hypertext Transfer Protocol Secure.

• HTTP operates on port 80 while HTTPS operates on port 443.

• HTTP is vulnerable to att...read more

HTTP status codes indicate the outcome of a HTTP request. They are categorized into 5 classes.

• 1xx: Informational - Request received, continuing process

• 2xx: Success - Request successfully received, understood, and accepted

• 3xx: Redirection - Further ac...read more

301 & 301 redirection are HTTP status codes used for permanent redirection of URLs.

• 301 is a HTTP status code indicating that the requested resource has been permanently moved to a new location.

• 301 redirection is used to redirect users and search engi...read more

HTTP is a protocol used for transferring data over the internet, while IP is a unique address assigned to devices on a network.

• HTTP stands for Hypertext Transfer Protocol and is used for transmitting web pages, images, videos, etc. between a web serv...read more

HTTP works on port 80 by default.

• HTTP (Hypertext Transfer Protocol) is the protocol used for transmitting data over the internet.

• Port 80 is the default port used for HTTP communication.

• However, HTTPS (HTTP Secure) uses port 443 by default.

• Other ports...read more

CORS (Cross-Origin Resource Sharing) is a mechanism that allows resources on a web page to be requested from another domain.

• CORS is used to overcome the same-origin policy enforced by web browsers.

• It allows a web page to make XMLHttpRequests to anoth...read more

Request specification is a detailed description of the requirements and expectations for a specific request or task.

• Request specification outlines the specific details and criteria for a request or task

• It includes information such as the purpose, sco...read more

HTTP response codes are status codes returned by a server in response to a client's request.

• HTTP response codes indicate the status of a requested HTTP resource

• They are three-digit numbers grouped into different categories

• Some common response codes i...read more

Cookies are stored on the client-side and sessions are stored on the server-side.

• Cookies are small text files that are stored on the client-side and can be accessed by the server.

• Sessions are server-side data storage that can be used to store user-sp...read more

Port 80 is used for HTTP, which is the protocol used for transmitting web pages over the internet.

• Port 80 is the default port for HTTP

• HTTP stands for Hypertext Transfer Protocol

• Other common ports include 8080 for alternative HTTP port

HTTP status codes are standardized codes that indicate the outcome of a HTTP request.

• Status codes are grouped into 5 categories: informational, success, redirection, client error, and server error

• Some common status codes include 200 OK, 404 Not Found...read more

301 and 302 codes are HTTP status codes used for URL redirection.

• 301 code indicates permanent redirection, while 302 code indicates temporary redirection

• 301 code is used when a URL has permanently moved to a new location, while 302 code is used when ...read more

Http client module is a module in programming languages that allows communication with HTTP servers.

• Http client module is used to send requests to servers and receive responses.

• It can handle various HTTP methods like GET, POST, PUT, DELETE, etc.

• It ca...read more

HTTP request response cycle involves a client sending a request to a server, which processes the request and sends back a response.

• Client sends a request to a server using a specific HTTP method (GET, POST, PUT, DELETE, etc.)

• Server processes the requ...read more

301 redirects are permanent redirects from one URL to another, passing link equity from the old URL to the new one.

• 301 redirects are used to redirect traffic from an old URL to a new one

• They are permanent redirects and pass link equity from the old U...read more

Content negotiation can be handled by using HTTP headers to indicate the preferred format of the response.

• Use the Accept header to indicate the preferred format of the response

• Use the Content-Type header to indicate the format of the request body

• If t...read more

HTTP/1 and HTTP/2 are protocols for transferring data over the web, with HTTP/2 offering improved performance and efficiency.

• HTTP/1.1 uses a text-based protocol, while HTTP/2 uses a binary protocol for better performance.

• HTTP/1.1 supports one request...read more

POST requests are a type of HTTP request method used to submit data to a server.

• POST requests are used to create or update resources on a server.

• They are commonly used in web forms to submit user input data.

• POST requests have a request body that cont...read more

Status code 302 is a temporary redirect response status code indicating that the requested resource has been temporarily moved to a different URL.

• 302 Found is commonly used in response to a POST/PUT/DELETE request to indicate that the resource has be...read more

HTTP responses indicate the status of a client's request, detailing success, errors, or redirection.

• 200 OK: The request was successful, and the server returned the requested resource.

• 404 Not Found: The server could not find the requested resource.

• 500...read more

HTTP is a protocol used for transferring data over the internet.

• HTTP stands for Hypertext Transfer Protocol

• It is the foundation of data communication on the World Wide Web

• HTTP works by establishing a connection between a client and a server, where th...read more

HTTP codes are status codes returned by a server in response to a client's request.

• 200 - OK: Request was successful

• 404 - Not Found: Resource not found

• 500 - Internal Server Error: Server error

• 301 - Moved Permanently: Resource has been moved permanentl...read more

HTTP headers are key-value pairs sent between the client and server to provide additional information about the request or response.

• HTTP headers consist of a key-value pair separated by a colon, with each pair separated by a new line

• Headers are used ...read more

HTTP error code 203 indicates that the server successfully processed the request, but is returning information that may be from another source.

• HTTP 203 is a non-standard error code that is not defined in the HTTP/1.1 standard.

• It is typically used to ...read more

HTTP response codes and their troubleshooting scenarios

• HTTP 200 - OK: Successful request

• HTTP 404 - Not Found: Resource not found

• HTTP 500 - Internal Server Error: Server-side error

• HTTP 401 - Unauthorized: Authentication failure

• HTTP 403 - Forbidden: Au...read more

201 and 200 status codes are similar but have different meanings.

• 200 means the request was successful and the server returned the requested data

• 201 means the request was successful and the server created a new resource

• Developers use 201 when a new re...read more