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Question:
(a) Distinguish between Flow Control and Congestion Control.
(b) Explain clearly how a URL is resolved by a computer.
(c) List one application that uses TCP protocol and one application that uses UDP.
(d) Compare and contrast POP and IMAP.
(e) With the aid of a diagram, describe the role of the User Agent (UA), the Mail Transfer Agent (MTA) and the SMTP server in the Simple Mail Transfer Protocol (SMTP).
(f) How does ATM provide Quality of Service?
When the signal hits to each other, collision accord.
How does a Token-Passing Protocol works? The token-passing protocol relies on a control signal known as the token. A token is a 24-bit packet that circulates throughout the net
QUESTION a) The aim of a computer network is to increase efficiency and reduce costs. Explain how networks of computers achieve the above. b) Describe the star topology. Su
RIP It is Broadcast There is no authentication It Support FLSM RIPV2 It is Multicast There is Authentication It Support VLSM
Question: (a) In relation with a cellular network architecture, describe the following terms: (i) Clusters (ii) Pico cells (iii) Nano cells (iii) Cell breathing (b)
Protocol Layering To design structural network protocols the designers organize protocol and use the network hard ware and software to implement the protocol in layers. E
ATM designers select cells over packets because of the following facts: Cells are fixed length and memory management for them is easy. Handling variable length packets tends
Explain the Physical layer The Physical layer of the OSI model sets standards for sending and receiving electrical signals among devices. It explains how digital data (bits) ar
Can you describe static default routes?
Security risks present on the networks Lots of risks are present everywhere on Internet as well as on Intranet, if it is not known what is being done. Every day a number of
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