Answer:
Physical and data link layer.
Explanation:
The ethernet cable is used at the physical layer. The physical layer consists of hardware components. This layer is responsible for transmission of data bits between two nodes via a physical wire. The data link layer provides the means in which data packets are transmitted from one node to another.
Suppose two computers (A & B) are directly connected through Ethernet cable. A is sending data to B, the packets would be sent from computer A to computer B if computer B is free if not it would wait until computer B is not transmitting before it can start sending data packets to computer B.   
 
        
             
        
        
        
I programmed in batch before so I know a lot of things!
You can ping a website to test your latency.
ping google.com
I have a ton of tricks in cmd (Command Prompt). Message me if you want.
        
             
        
        
        
Answer:
Following is attached the code that works accordingly as required. It reads in characters from standard input and outputs the number of times it sees an 'a' followed by the letter 'b'. All the description of program is given inside the code as comments.
I hope it will help you!
Explanation:
 
        
             
        
        
        
In the case above, To search through this database, they use SQL, a 4GL.
<h3>What is SQL?</h3>
SQL is known to be Structured Query Language (SQL) that is said to be a form of standardized programming language that is employed to manage relational databases and carry out various operations on the data in them.
Note that In the case above, To search through this database, they use SQL, a 4GL network that can help.
Learn more about SQL from
brainly.com/question/25694408
#SPJ1
 
        
             
        
        
        
Answer:
Producers
Explanation:
Producers manufacture and provide goods and services to consumers.