Discuss in detail, the reasons why a layered Network Architecture Model is used to construct a communications network.1
What are firewalls?
What are Network Services and Feature Services? What is the difference between them?
Explain Asynchronous transmission.
What do you understand by ping command?
What is Extension Mobility?
what is http and what port does it use?
Define Propagation delay.
Which are the different factors that affect the reliability of a network?
What is FXO and FXS?
Describe the key elements of protocols?
What are ip classes?
What is a gateway? Is there any difference between a gateway and router?
What is the importance of the osi physical layer?
Explain the characteristics of networking?