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Repeaters
- Operate only in physical layer
- Connects two segments of the same LAN
- Both segments must be of the same protocol
- Only forwards frames; does not filter
Error control in TCP-duplicate & out-of-order segment- Duplicate segment - The destination TCP merely discards the segment Out-of-order segment - Not acknowledged unt
Difference between synchronous tdm and statistical tdm
Can you explain the different layers in OSI model?
Modulation and DeModulation
Give some examples of private network addresses. 10.0.0.0 with a subnet mask of 255.0.0.0 172.16.0.0 with subnet mask of 255.240.0.0 192.168.0.0 with subnet mask of 255.2
Name the layer responsible for putting 1s and 0s into a logical group? Ans) Frames are broken down into 1s and 0s and placed onto the physical medium by the Data Lin layer.
Security Security is the protection of hardware software and data from unauthorized access. Restricted physical access to computer password protection limiting user priv
A multimeter is used to measure a sinusoidal signal and reads 2V RMS; what is the peak-to-peak voltage of the signal? A mark will be deducted if you do not quote your answer to 2 s
Determine about unique least-cost path If there is a unique least-cost path, the two algorithms will yield the similar result because they are both guaranteed to search the lea
What to do to connection with external communication For dealing with external communication, the Web server must have a static IP. Having a static IP could also be a problemat
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