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PACKET SWITCHES:
To span large distances or several computers, networks must removed shared phase with packet switches. Each switch moves whole packet from one connection to another. That's why they are known as packet switches. A packet switch consists of a small device with network interfaces, a storage and a program dedicated to packet switching application.
A packet switch is given in the figure below.
100Base-TX Uses two category 5 UTP cable pairs or else two STP cable pairs to connect stations to a hub (star) One pair holds frames from station to hub one pair from
Reliable Data Transfer Figure illustrate the framework for reliable transfer. The service abstraction provided to the upper layer entities is that of a reliable channel
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)
Multicast Routing Protocols Multicast group addresses are assigned by IANA [Internet Assigned Numbers Authority for well known services and protocols. Information is exchang
What are local variables? Local varaiables are those which are declared within a block of code like methods. Local variables should be initialised before accessing them.
An Internet address (IP address) is a unique 32-bit binary number given to a host and used for all interaction with the host. Each packet transmit across an Internet contains the 3
Question: (a) Explain and illustrate different architectures for IEEE802.11 (WiFi). (b) The MAC management of IEEE802.11 handles transmitter activity for power management.
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Develop traffic flow mapping and performance requirements for flows. A) Traffic Flow Mapping B) Performance Requirements
1. Bob has been given the task of changing the IP address and enabling telnet access on a CISCO 2950 enterprise switch. The current IP address is 10.10.10.2/8 the new IP address
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