HTML Form Elements Quiz: Test Your Knowledge

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Questions and Answers

Which one of these is a feature of web servers?

Document Root (correct)

Multitasking operating system

Binary called httpd

ServerRoot

Which web server was the top web server but no longer dominates #1?

Microsoft IIS

Oracle Glassfish

Apache (correct)

NGINX

Which type of authentication is supported by all HTTP servers?

Digest authentication

OAuth authentication

Token-based authentication

Basic authentication (correct)

Which server-side component can be used for executing scripts?

CGI Scripting Signup and view all the answers

What is the purpose of defining the location of the server root?

To specify the location of the server Signup and view all the answers

Which port number is typically used for HTTP?

80 Signup and view all the answers

What is the origin of the name 'Apache'?

A set of PAtCHEs to NCSA’s httpd Signup and view all the answers

Which operating systems is Apache available for?

Windows, Solaris, Linux, macOS Signup and view all the answers

Which version of HTTP does Apache implement?

HTTP/2 Signup and view all the answers

Are there any GUI tools available for configuring Apache?

No Signup and view all the answers

Which of the following is a characteristic of web server farms?

They eliminate single points of failure Signup and view all the answers

Which company is NOT a major cloud service provider?

Salesforce Signup and view all the answers

What is Amazon Elastic Compute Cloud (EC2) used for?

Creating and running virtual machines in the cloud Signup and view all the answers

How many Elastic IPv4 addresses are accounts limited to per region on Amazon EC2?

5 Signup and view all the answers

Which CSS property value is inherited by child elements from their parent element?

padding Signup and view all the answers

Which pseudo class selects a link when the user mouses over it?

:hover Signup and view all the answers

Which JavaScript system runs on web browsers?

client-side JavaScript Signup and view all the answers

Which method reverses the order of elements in an array?

reverse() Signup and view all the answers

Which web browser uses the WebKit software component?

Google Chrome Signup and view all the answers

Which layout engine is used by the Firefox web browser?

Gecko Signup and view all the answers

Who is credited with inventing the World Wide Web?

Tim Berners-Lee Signup and view all the answers

Which HTML version was developed around 1990?

HTML 1 Signup and view all the answers

Which protocol is used by web servers to execute programs and return the output to a client's web browser?

CGI Signup and view all the answers

What is the purpose of a FIELDSET element in HTML forms?

To group form elements together Signup and view all the answers

What are the two major categories of CGI environment variables?

Non-request specific and request specific Signup and view all the answers

Which server directive is used by CGI scripts to inform the server about the type of output?

Content-type Signup and view all the answers

According to the text, what is the purpose of the Same-Origin Policy in web browsers?

To prevent potentially malicious interactions between websites of different origins Signup and view all the answers

Which of the following is a disadvantage of JSON compared to XML?

No validator - Every application is responsible for validating its inputs Signup and view all the answers

What is the difference between JSON and JSONP?

JSONP allows specifying a callback function as an input argument of the call itself Signup and view all the answers

Which JavaScript function should be used instead of eval() to parse JSON?

JSON.parse() Signup and view all the answers

Which web server is currently ranked as the number one web server?

NGINX Signup and view all the answers

Which port number is typically used for secure HTTP (HTTPS)?

443 Signup and view all the answers

What is the purpose of the 'Document Root' in a web server?

It is the location of the tree of files that the web server can deliver. Signup and view all the answers

What is the main function of a proxy server in a web server?

Caching Signup and view all the answers

Which operating systems is the Apache web server available for?

Windows, Solaris, Linux, and macOS Signup and view all the answers

What is the origin of the name 'Apache' for the web server?

It is an acronym for 'A set of PAtCHEs to NCSA’s httpd'. Signup and view all the answers

Which of the following is NOT a characteristic of Python variables?

Variables are statically typed Signup and view all the answers

Which of the following is a correct way to concatenate a string and an integer in Python?

sum = str(5) + '10' Signup and view all the answers

Which of the following is a correct way to define a function in Python?

def foo(arg_1, arg_2): return arg_1 * arg_2 Signup and view all the answers

Which of the following is NOT true about the Document Object Model (DOM)?

It is a programming language Signup and view all the answers

Study Notes

Web Servers and HTTP

A feature of web servers is the ability to execute scripts using a server-side component.
The top web server that no longer dominates the #1 spot is Apache.
All HTTP servers support Basic Authentication.

Apache Web Server

Apache is available on multiple operating systems.
The origin of the name 'Apache' comes from the fact that the server is "a patchy" collection of code.
Apache implements HTTP/1.1.
There are GUI tools available for configuring Apache.

Web Server Farms

A characteristic of web server farms is that they use multiple servers to increase scalability and reliability.

Cloud Services

Amazon Elastic Compute Cloud (EC2) is used for scalable computing capacity in the cloud.
Accounts are limited to 5 Elastic IPv4 addresses per region on Amazon EC2.
Amazon is a major cloud service provider.

HTML, CSS, and JavaScript

The CSS property value 'inherit' is inherited by child elements from their parent element.
The pseudo class ':hover' selects a link when the user mouses over it.
JavaScript is executed on web browsers.
The method that reverses the order of elements in an array is 'reverse()'.
WebKit is a software component used by the Safari web browser.
Gecko is the layout engine used by the Firefox web browser.

Web History and Fundamentals

Tim Berners-Lee is credited with inventing the World Wide Web.
HTML 1.0 was developed around 1990.
The Common Gateway Interface (CGI) protocol is used by web servers to execute programs and return the output to a client's web browser.
The FIELDSET element in HTML forms is used to group form elements together.
The two major categories of CGI environment variables are HTTP headers and CGI-specific variables.
The 'Content-Type' server directive is used by CGI scripts to inform the server about the type of output.

Security and JSON

The Same-Origin Policy in web browsers is used to prevent a web page from making requests to a different origin.
A disadvantage of JSON compared to XML is that JSON does not support comments.
JSONP (JSON with Padding) is a workaround for the Same-Origin Policy by adding a padding of JavaScript code.
The 'JSON.parse()' function should be used instead of 'eval()' to parse JSON.

Miscellaneous

The 'Document Root' in a web server is the root directory of a website.
The main function of a proxy server in a web server is to act as an intermediary between a client and a server.
Port 80 is typically used for HTTP, and port 443 is typically used for secure HTTP (HTTPS).

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Description

Test your knowledge of HTML form elements with this quiz! Learn about the syntax and attributes of the select tag and how to group form elements using the fieldset element.

HTML Form Elements

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