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The Data link layer performs the following: Responsible for physically passing data from single node to another. Translates messages from the upper layers into data frames and adds customized headers having the Hardware destination and source address.
QUESTION 1 (a) Draw a use-case model for the above system. You must identify all possible actors and use-cases. (b) Assume you are using the Rational Unified Process a
What is a protocol? The term protocol refers to a set of rules and process that govern the transmission of messages over a physical networking medium. The most common network p
The LAN switch copies the whole frame into its onboard buffers and then looks up the destination address in its forwarding, or switching, table and verifies the outgoing interface
What is TCP/IP TCP/IP is short for Transmission Control Protocol / Internet Protocol. This is a set of protocol layers that is intended to make data exchange possible on dissim
Question 1 Explain the basic communication model with its block diagram Question 2 List and explain the functions of network monitoring Question 3 Explain the get and se
UDP Segment Structure The primary purpose of the UDP protocols is to expose datagram's to the application layer. The UDP protocols does very little and therefore employ
Q. What is Bipolar Encoding? - Uses three voltage levels negative, positive and zero - Zero level represents binary 0; 1s are represented with alternating positive and negat
What is mesh topology Mesh topology is a setup wherein every device is linked directly to each other device on the network. Consequently, it needs that each device has at least
Diiferentiate between HTML and HTTP Hypertext Markup Language (HTML) The language used in writing pages for the World Wide Web. Knowledge of not HTML is not necessary f
Q. Show the Importance of Security? The Internet presents enormous business opportunities. The Internet is open to public, vulnerable to various attacks. One of the major
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