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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 example of one connection-oriented application layer protocol and one connectionless-oriented application layer. iii. Describe how each above-mentioned protocol work by providing as much information about application messages, port numbers, etc...
(b) Describe essential security services and the mechanisms used to enforce those three services.
(c) Given the following received codeword C and the generator polynomial G. Determine if an error has taken place during transmission.
You should show your work and not reply merely Yes or No.
C: 110011001 G: x3 + 1
Simple Mail Transfer Protocol ( SMTP) SMTP is the principal application layer protocol for internet electronic mail. It uses the reliable data transfer service of TCP to
Q. Host System in TCP-IP model? - Standards adopted because of widespread use like (Internet) - The protocols came first plus the model was really just a description of the
The following information was obtained from a host: IP address...............205.133.127.8/24 Default Gateway...... 205.133.127.1 DNS Server.............139.100.110.10
Network Devices a.Hub b.Repeater c.Bridge d.Gateway e.Switch f.Router Connecting devices can classified into networking and internetworking devices when
Explain the different symmetric algorithms?
How Intranet is different from Internet? Generally an Intranet is different from an Internet in the following ways: i. Intranet is a network within the organisation whereas
Default size of frame is 1518 bytes
Question 3:4 By experimentation, work out the lowest SNR, under which 4 users can si- multaneously communicate, without error, via this system. For SNR, simply report the largest v
Explain the meaning of Negotiation Negotiation is process of getting both sides to agree on some values or parameters to be used during communication. Maximum packet size is on
Message Passing Programme Development Environment In a multicomputer system, the computational load among various processors must be balanced. To pass information among variou
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