Answer:
The answer to this question is option 1,2 and 4.
Explanation:
Some html elements does not contain anything or having no content are called empty html elements.for ex:- <br>,<hr> etc.
HTML elements are of two types block and inline.block elements starts with new line for ex:-div,body etc.Inline elements does not starts with new line.for ex:-<style>,<meta>,<head>etc.
Html elements also contains attributes that modify the element for ex:-
<body style="background-color:blue;">
where style is an attribute.
 
        
             
        
        
        
Answer: Query
Explanation:
It is through the process of queries a user is able to ask questions about the data stored in the database and view specific fields as required. These queries can be of many type and each time using a query would give us the desired fields.
 
        
             
        
        
        
Answer:
As far as i know, it is Virtual Local Area Network (VLAN). You can read more about this here: https://en.wikipedia.org/wiki/VLAN
 
        
             
        
        
        
Answer:
A, C, D
Explanation:
User Interface (UI) Design focuses on anticipating what users might need to do and ensuring that the interface has elements that are easy to access, understand, and use to facilitate those actions.