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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.
Q. Comparing Transport for TCP/IP and osi model? - The features of TCP and UDP defined at TCP/IP Transport Layer correspond to many of the requirements of the OSI Transport Lay
When a switch is said to be congested? It is possible that a switch receives packets faster than the shared link can accommodate and keeps in its memory, for an extended period
If the host has the subnet ID why do we require a subnet mask?
configure a router . get the default gateway
Name the three ways or wireless data to be propagated.
Describe the term - Certification Authority The certification is most easily implemented with a custom solution combined with a server, called the Certification Authority (CA).
Authentication in PPP PPP can support authentication operations at the beginning of a connection. In some cases reauthentication is also possible during a session. Endpo
Q. Illustrate Go Back - N protocol? Go Back - N - Sender window size - Receiver window size = 1 - Why the names go back- N? - When the frame is spoilt the sende
Explain use of RTP and RTCP Protocol?
Q. Example on audio transmission? admission policy - QoS mechanism; switches (routers) first check resource requirements of a flow before admitting it to the netwo
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