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Carrier Sense Multiple Access/Collision Avoidance
a) Necessary since wireless LANs cannot implement CSMA/CD
b) Collision detection requires increased bandwidth requirements
c) Collisions might not be detected due to obstacles
d) Distance between stations may prevent collisions from being heard
e) Collision avoidance is accomplished through network allocation vector (NAV)
Monitor Stations Lost tokens - timer is issued each time a frame or token is generated If no frame is received in time period new token is generated by a monitor stat
You should develop a system consisting of an application acting as a broker and several agents that need to communicate between them. The agents can only communicate in pairs (i.e.
TCP (Transmission Control Protocol) and UDP are used by TCP/IP. SPX (Sequenced Packet Exchange) is used with IPX. NBP (Name Binding Protocol) is used with Appletalk.
Q. Illustrate Data-Link Layer in osi layers model? Data-Link Layer: This layer takes the data messages or frames from the Network Layer and gives for their actual transmissio
Sonet Devices STS Mux or DMux either multiplexes signals from multiple sources into an STS or demultiplexes an STS into different destination signals. Regenerator is a repea
Q. What is Subnetting ? Subnetting IP addressing is hierarchical First reach a device through its network id (netid) Then reach the host itself using the se
How are routing neighbors discovered in BGP?
Explain ISO's OSI Architecture The Open System Interconnection (OSI) is a standard reference model for communication among two end users in a network. It is used in developing
features
How to Configure the Ethernet Interfaces on the Host PCs Configure the Ethernet interfaces of PC1, PC2, PC3, PC4, PC5, and PC6 with the IP addresses and default gateways indica
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