State two advantages of multiplexing in data communication systems (Answered) Distinguish between CSMA/CD and token ring media access methods (Answered) Define the term node as used in data transmission (Answered) Explain three functions of the data link layer (Answered) With aid of a diagram, describe the User Datagram Protocol (UDP) datagram (Answered) Differentiate between malware and ransom ware as applied in network security (Answered) Explain each of the following terms as used in the internet (6 marks)
i. Bookmark
ii. Plug-in
iii. Search engine
(Answered) Explain two roles of the Domain Naming Server (DNS) (Answered) With aid of a diagram, describe TCP/IP layer model (Answered) Explain three functions of the session layer as used in OSI (Answered) Differentiate between star and hybrid network topologies (Answered) Distinguish between network and host addresses as applied in IP addressing (Answered) With aid of a diagram, describe the structure of a coaxial cable (Answered) Bring your own device (BYOD) poses some risks to software cooperate networks. Explain two potential risks that are likely to be experienced (Answered) Differentiate between hub and repeater as used in computer networks (Answered) Define the term latency as applied in network troubleshooting (Answered) Describe two components of a data communication system (Answered) Outline two functions of a network operating system (NOS) (Answered) Outline two typical features of 10BaseT network (Answered) Outline three benefits of OSI model in data communication (Answered) What is a computer Network (Answered) 5. Explain each of the following as used in Data communication (6 marks)
a) Simplex Communication system
b) Duplex Communication system
c) Full Duplex Communication system
(Answered) Differentiate between Circuit switching and Packet switching as used in data communication (Answered) Differentiate between Data Communication Equipment (DCE) and Data Terminal Equipment (DTE) (Answered) Give 3 functions of a protocol in data communication (Answered) What is a protocol as used in computer data communication (Answered) Discuss five factors to consider when making a decision on which network topology to adopt in your academic (Answered) What are the differences between an acyclic-graph directory and a tree-structured
directory? Explain and justify your answer by drawing the diagrams. (10 points)(Answered) What is the difference between public IP address and private IP address? Justify your
answer and give an example for different private IP addresses? (10 points)(Answered) What are the ways to access the same files in more than one place in the directory
structure? Explain and justify your answer. (10 points)(Answered) Explain the general graph directory. In which condition, cycles could be happened in the graph. Explain and justify your answer.(10 points)(Answered) What are the differences between the fully qualified domain name (FQDN) and partially
qualified domain name (PQDN)? Give an example of each type and justify your answer
with a figure.(Answered) What are the differences between persistent and non-persistent HTTP connections?
Explain it. If you want to get the 8 files from the server using persistent connections, what
would be the total file transmission time using RTT time? Explain and justify your answer.(Answered) Based on the below figures: (Figure 1 and Figure 2), Answer the following questions: (30 points, 10 points each)
a. What is the TCP/IP utility command to show us the content given in Figure 1.? Explain
and justify your answer.
b. What is the TCP/IP utility command to show us the content given in Figure 2.? Explain
and justify your answer.
c. Name three TCP/IP utility types and give an example of (Answered) What are the advantages and disadvantages of Ring topology network(Answered) What are the disadvantages of Bus topology network(Answered) What are the advantages of Bus topology network(Answered) What are the disadvantages of Star topology network(Answered) What are the advantages of Star topology network(Answered) What are the disadvantages of Mesh topology network(Answered) What are the Advantages of Mesh topology network(Answered) Explain the OSI reference model with neat diagram.(Answered) What are the different types of networks? Explain in detail.(Answered) Explain the different network topologies(Answered) What is network topology ?(Answered) Explain the types of transmission modes(Answered)
