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What is the difference among TFTP and FTP application layer protocols?
The Trivial File Transfer Protocol (TFTP) permits a local host to get files from a remote host but does not give reliability or security. It uses the fundamental packet delivery services offered by UDP.
The File Transfer Protocol (FTP) is the standard mechanism given by TCP / IP for copying a file from one host to another. It uses the services obtainable by TCP and so is reliable and secure. It establishes two connections (virtual circuits) among the hosts, one for data transfer and another for control information.
Control Frames for Lost Tokens If station goes down ... token lost Predecessor listens for data frame or token Noticing none, retransmits token Sends whofoll
Satellite Radio Channels A communication satellite links two or more earth microwave transmitter receiver, know as ground stations. The satellite receives transmission on
Explain Point-to-Point connection type. Many point-to-point connections are associated with modems and PSTN (Public Switched Telephone Network) communications.
Question 1 Who initiates the ‘Trap' message? When is this message generated? Question 2 Discuss the features of a typical Network Management System.List (Fault Management,
(a) Explain how a CDMA system works? (b) Explain howWelsh-Hadamard codes are generated. Explain why orthogonality between different spreading codes is important. (c) Consider
Default size of frame is 1518 bytes
As discussed in the earlier section each computer linked to the Internet has a unique address. Let's assume your IP address is 1.2.3.4 & you wish to send a message to the computer
Q. Security and Reciprocity of RSA? Security and Reciprocity of RSA - Kp and N are issued publicly. - Ks is kept secret. - Since the snooper does not know p and
restore the scrambled bits to their original order
What are the Advantages of the intranet The most easily noticeable difference between an Internet server and an Intranet server such as Lotus Notes is their design philosophy.
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