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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.
What is source route and OSPF? Source route It is a series of IP addresses identifying the route a datagram must follow. A source route might optionally be included in an
Multi Tasking Environment Multi tasking exploits parallelism by: 1) Concurrently using the multiple functional units 2) Pipelining functional units are pipe line toget
Identify and briefly explain any four key requirements that need to be examined when considering deploying a WLAN technology.
will you have this done to day? And how long will this take?
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
What are short, long and medium-term scheduling? Long term scheduler verifies which programs are admitted to the system for processing. It controls the degree of multiprogrammi
Name various types of guided and unguided transmission media. If you are connecting your office computers through a local area network which transmission media would you use? Why?
What is WDM? WDM is conceptually the similar as FDM, except that the multiplexing and demultiplexing includes light signals transmitted by fiber optics channel.
graph theory
Network Layer and Routing As discussed in previous chapters the physical layer provides connection sand services to the data link layer while the data link layer is
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