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Root DNS Servers
A root server is a serve which consists of the entire hierarchy of servers. A root server usually does not store any information about domains but delegates its authority to other servers keeping references to those servers.
There are several root servers each covering the whole domain name space. The servers are distributed al around the world. In the internet there are 13root DNS server ( Labeled a through M.
Problem: (a) Application Layer protocols can be classified as connection-oriented or connectionless-oriented. i. What do you understand by the term protocol? ii. Give an e
What is the difference between TFTP and FTP application layer protocols? The Trivial File Transfer Protocol (TFTP) allows a local host to obtain files from a remote host but d
MPI contains hundreds of functions, a small subset of which is enough for most practical purposes. We shall talk about some of them in this unit. Functions for MPI Environment:
Different parts of dialogs in Session layer?
Explain the building blocks of Client/Server? The client side building block runs the client side of the application. The server side building block runs the server side of
Network Layer and Routing As discussed in previous chapters the physical layer provides connection sand services to the data link layer while the data link layer is
Question: a) (i) Describe the entire process of credit card processing, identifying the different steps and parties involved. (ii) What are the roles of the acquiring ban
What is an Ethernet? The Ethernet topology was developed at the University of Hawaii to connect computers on the many Islands. It was radio based design. Later, Robert Metacalf
What is Proxy Sever and Firewall Proxy Sever Also known as a proxy or application level gateway. It is an application that breaks the connection among sender and receiver.
At the Physical layer of the OSI model Repeaters work by regenerating the signal to extend the distance it can travel.
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