Answer:
HDLC is one of the most commonly used internet protocols (IP) in what is Layer 2 of the industry communication reference model called Open Systems Interconnection (OSI).
Explanation:
 
        
             
        
        
        
Because it ‘computes’ certain tasks, get it. It’s like saying ‘the puncher’ for someone who punches stuff.
 
        
             
        
        
        
Answer:
List items are usually accessed using the indexing operator.
Explanation:
Depends on the language, and what you mean with extracting? Do you mean accessing or removing?
 
        
             
        
        
        
This is a transitive trust which is a two-way correlation routinely made among parent and child domains in a microsoft active directory forest and when a new domain is produced, it bonds resources with its parent domain by evasion in which allowing an valid user to access resources in together the child and parent.
        
             
        
        
        
Answer:
Netiquette is a combination of the words network and etiquette and is defined as a set of rules for acceptable online behavior. Similarly, online ethics focuses on the acceptable use of online resources in an online social environment.
- Be Careful With Your Tone. 
- Be Accurate and Factual. 
- Search First, Then Ask. 
- Don't Use Sarcasm Freely. 
- Be as Polite as You Are In Person.