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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 are routers? Routers work to connect two or more network segments. These are the most intelligent network devices that store information in its routing table like paths, h
Question: a) Compare Bluetooth and WIFI based networks over the following factors: Data rate, Range, Application Focus, Battery Power, Frequency Band, Security. b) Differe
What is the difference between a straight-through and crossover cable? A straight-through cable is used to connect computers to a hub, switch, or router. A crossover cable is u
Client Server Processes A network application consist of pairs of process that send message to one another over a network. For example in a web application a client
How Does a Firewall Protect Firewalls work by controlling the information that comes in and out of the network. By using the Application Proxy service, the flow of information
Can you define how L2F data tunneling process works?
What is the difference between CSMA/CD and CSMA/CA? CSMA/CD, or Collision Detect, retransmits data frames when a collision occurred. CSMA/CA, or Collision Avoidance, will first
What is point to point link? It refers to a direct connection among two computers on a network. A point to point connection does not require any other network devices other tha
This code properly implements the IP checksum function on a 32-bit machine: unsigned short cksum(unsigned short *buf, int count) { unsigned long sum = 0; while (count--) { sum += *
The Received Message If we didn't mention another class of header lines that are inserted by the SMTP receiving server. The receiving server upon receiving a message wit
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