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a) What does the "CD" mean in the CSMA/CD? How is it implemented in the Ethernet?
b) Consider an Ethernet hub with 8 ports and an Ethernet switch with 8 ports. In both cases (hub and switch), each port is rated at 100 Mbps. Assume that you use either the hub or the switch to create a small home network of 8 hosts. Which of the two networks (hub-based or switch-based) will be able to achieve a greater total network throughput (the total throughput is defined here as the sum of individual throughputs over all simultaneous communications between the hosts connected to the network)? Why?
c) Name the protocol (i.e. give its well-known acronym and full name) responsible for finding the MAC address of a host from its IP address.
Enumerate about the Traffic policing Traffic policing happens when a flow of data is regulated so that cells (or frames or packets) that exceed a performance level are discarde
5. CSMA/CD based Ethernet LANs in various sites and Frame Relay (FR) service to connect them together. You want to make a difference in the organization by upgrading the LANs to be
how to own cipher to encrypt and decrypt message by combine both substitution ans transposition algorithm using c program
Can you describe PPP protocol?
the equation x3-6x+9x-5=0
Dotted decimal representation is a syntactic form the IP software uses to express 32-bit binary numbers when communicating with humans. Dotted decimal presents every octet in decim
The performance of interconnection networks is measured on the below parameters. 1) Bandwidth: It determines maximum transfer rate between any two nodes. It is measured in MB
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Question: (a) What is a script kiddie? Is it a significant security threat, and why? (b) Assume that UNIX uses the user login name in lieu of the traditional salt, what is
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