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Q. Explain physical layer of Osi reference model?
- The physical layer deals among the physical characteristics of the transmission medium.
- It defines the mechanical, electrical, procedural and functional specifications for maintaining, activating and deactivating the physical link between end systems.
- Such characteristics like timing of voltage changes, voltage levels, physical data rates, maximum transmission distances, physical connectors and other similar attributes are defined by physical layer specifications.
- Instances RJ45, EIA/TIA-232 and NRZ
explain the appropriateness of economic and behavioral feasibility
Q. What do you understand by OSI? Ans: The Open System Interconnection (OSI) reference model illustrates how information from a software application in one computer goes throug
There are two logical addressing :- a) Datalink is physical (hardware) addressing. b) Network is logical (software) addressing.
http://cseweb.ucsd.edu/~savage/papers/CCS12Exploit.pdf
State about the international standardization There are many examples, certainly. Some systems for which there is international standardization include compressed disc players
Q. Show the Flow characteristics? Flow characteristics Reliability - if lacking means that packets or ACKs are lost - more important with FTP, SMTP than with audio
How do we explain the method of DPU, Segments, Datagram, Frame and packet?
Q. Example of go back - N protocol? The window size is 4. A sender has sent frame 6 as well as the timer expires for frame 3 (frame 3 not ACKn'd). The sender goes back as we
Determine the concept of placing antenna on hieght First, starting deployment simply placed cells in regions where there was high density of vehicle or human population. Once t
Ans) the two commands are:- show ver show flash
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