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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.
You need to enable both arpa and snap encapsulation on single router interface. How do you do this? Ans)Assign two network numbers, one for every encapsulation type.
Load the Router with the Supplied Scripts Enable ! config term ! hostname Router1 ! enable secret class ! no ip domain-lookup ! interface FastEth
Can you define PPTP (Point-to-Point Tunneling Protocol)?
explain types of computer network
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Q. What is Multimode Graded-Index Fiber? - Ever since the core density decreases with distance from the centre the light beams refract into a curve - Eliminates problem with
Suppose AES (or any block cipher) is used to encrypt data. Which mode of encryption covered in class is best suited for each of the following two scenarios and why? If more than on
An industry standard suite of protocols for the use of point-to-point links to transport multiprotocol datagrams.
Q. What is Two Types of Errors? Single-Bit Errors: Merely one bit in the data unit has changed Burst Errors of length 'n': 2 or more bits in the data unit have changed (
You are logged into a router, what command would represent you the IP addresses of routers linked to you? Ans)show cdp neighbors detail
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