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Question:
(a) What do you meant by the term ‘LAN'? How is a LAN different from a WAN?
(b) Explain three types of cables which are commonly used with LANs.
(c) Three common networking topologies are the Star, the Ring and the Linear Bus. Provide one advantage and one disadvantage of each of the above topologies.
(d) The program specification phase of the programming process defines five tasks. List four of them.
(e) (a) Describe the meaning of the following terms :
Provide examples of these fields in business and everyday life.
What is the purpose of cables being shielded and having twisted pairs? The main purpose of this is to stop crosstalk. Crosstalks are electromagnetic interferences or noise that
Star Topology Devoted point-to-point links to central controller (hub) Controller acts like exchange Advantages - Less expensive - Robustness Disadv
What is the function of the OSI Session Layer? This layer gives the protocols and means for two devices on the network to communicate with each other by holding a session. Thi
Q. Microwave Applications? - Unicasting - one-to-one communication among sender and receiver - Cellular phones - Satellite networks - Wireless LANs
Network Control protocols ( NCP) The first ARPANET networking protocols was named simply the network control protocols in 1970,and was created by created by network
How receiver detects error The frame is 10011101. The generator is 1001. The message after appending the three zeros is 10011101000. The reminder on dividing 10011101000 by 100
Determine the benefits of security on internet or intranet Security has long been seen as a major threatening point in the implementation of the Internet or of Intranet technolog
Describe autonomous system?
Explain about the Browser A program that allows the user to access and read information on the World Wide Web. Netscape® Navigator and Microsoft Explorer® are the best known
The connection-oriented service process for networking is same to the manner in which telephones are used. This is shown as follows: A caller dials a number of the receiver. The
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