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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.
Radio Waves - Frequency ranges: 3 KHz to 1 GHz - Omni directional - Susceptible to interference by other antennas utilizing same frequency or band - Ideal for long-di
Hybrid Networks Allows an organization to have its own private networks and at the same time access to the global internet. the organization may share its information w
In Windows 2000, a domain describes both an administrative boundary and a security boundary for a collection of objects that are relevant to a particular group of users on a networ
Suppose a small company wants to develop a computer network of 18 computers in its main office. Due to limited resources the company wants a network architecture where a single com
DEFINE
Write the layer on which layer does L2F, PPTP and L2TP operate?
Other than performance issues, there could be security reasons for using something like xinetd. Make simple design in which a new version of xinetd gives a layer of security.
FDDI, Token Ring and Ethernet are all physical layer framing standards.
Processor Arrangements It is a very frequent event in data parallel programming to group a number of processors to perform definite tasks. To reach this goal, HPF gives a direc
Can you explain in short what VPN is?
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