There are some typos in this question as the numbers become too large and lead to undefined during calculations.
so the correct data is:
Songs = 12
Rock = 15
Blues = 20
Disco = 15
The answer & explanation for this question is given in the attachment below.
 
        
             
        
        
        
Answer:
TCP
Explanation:
TCP (Transmission Control Protocol) is a standard that defines how to establish and maintain a network conversation through which application programs can exchange data. TCP works with the Internet Protocol (IP), which defines how computers send packets of data to each other.
 
        
             
        
        
        
Answer:
Please check the attachment. 
Remember:
All N1, N2, N3N, N4, N5, N6, N7 and each of them are certainly like the server. Also note that Router, repeaters, switch and transmitter are not mentioned in the above diagram. Please assume it in between each location.
Explanation:
Please check the attachment. Also, Remember that Server is at the head office, and rest 7 are the 7 branches. The VOIP, video surveillance, Door security system and the computer networks are being shown in the diagram. And each location has a network of computers joined through VLAN, and each of them are given the IP addresses of Class A, Class B and class C of the iPV4(or IPV6), which can be found by the future network administer, operators through the IP address, that is assigned.  
 
        
             
        
        
        
<u>Explanation</u>:
It is an all-too-often used technology today in connecting several computers together via a network.
Routing simple terms means the action of selecting the path taken by the traffic of data in a network of computers. The routing systems involve the use of both wireless and cable based architectures. Some common example of routing systems includes:
- Dynamic Routing 
- Static routing
- Default Routing