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CONNECTION TO PACKET SWITCHES:
A packet switch many join to devices and to other packet switches. But the speeds are different in both parts. There are typically high-speed joins to other packet switches but lower speed joins to the devices. The technology details relay upon desired speed.
PACKET SWITCHES AS A BUILDING BLOCKS:
Packet switches may be linked together to form WAN. WAN have not be symmetric or have regular connections. Every switch may connect to one or other switches and one or more devices as given in the figure below.
STORE AND FORWARD:
Data delivery from one computer to another is completed through forward and store technology. In this technology packet switch saves incoming packet and also forwards that packet to another computer or switch. For this function packet switch has internal storage into which it may hold packet if outgoing connection is heavy. Packets for every connection held on queue.
Q. Why congestion occurs? Congestion Emerge if the load on the network is greater than the capacity of the network - Load that is the number of packets sent to the net
Work-Sharing Constructs A work-sharing construct distributes the implementation of the associated region between the members of the team that encounters it. A work-sharing cons
Recognize the command to configure a explanation on an interface Ans) Router(config-if)# explanation Finance department
FIBER OPTIC EXTENSION: The LAN extension using fiber optic is given in the figure below: Figure The fiber-modem translates digital data into pulses of light the
Process Switching It applies the brute force method to switch packets wih consumption of large amount of CPU time List of items are needed when switching packets Routing
Multicast An identifier for a set of interfaces (typically belonging to dissimilar nodes). A packet sent to a multicast address is delivered to all interfaces identified by tha
Disadvantages of Fiber Optics - Installation/maintenance - Unidirectional - Cost
Matric define as Formula of path selection
Q. Show Coaxial Cable Connectors? - A most common is barrel connector (BNC) - T-connectors are utilized to branch off to secondary cables - Terminators are necessary for
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
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