Computer Networking
The main difference between synchronous and asynchronous transmission is

the clocking is derived from the data in synchronous transmission
None of these
the clocking is mixed with the data in asynchronous transmission
the bandwidth required is different
the pulse height is different.

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Computer Networking
The Token-Ring architecture was developed for a more efficient way to determine who should be transmitting at any one time. With Ethernet, collisions may take place, causing the transmitting computers to have to retransmit their data. The use of token guarantees that only one computer can transmit at a time. What happens as the network increases in size? Choose the best answer

After the number of nodes exceeds 550, the Multistation Access Unit must be replaced by the more powerful Hyperstation Unified Bandwidth device
The speed of the Token-Ring network must be 16Mbps if the number of nodes is greater then 500
An additional token is added for every 1,000 nodes
The network becomes more efficient
The network becomes less efficient

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Computer Networking
If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?

The highest IP address of any logical interface
The lowest IP address of any logical interface
The highest IP address of any physical interface
The lowest IP address of any physical interface

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