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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
What do mean by tunnel mode? This is a mode of data exchange wherein two communicating computers do not use IPSec themselves. Instead, the gateway that is linking their LANs to
Explain about the Intranet hardware and software Intranets not only provide a secure environment for companies but also provide an excellent working environment that is full of
How are routing neighbors discovered in BGP?
Write a report on your chosen topic that has been approved by your Lecturer. Your report should include appropriate figures, about 2000 words. Topics: 1 MAN- Metro Ethernet 2 Inte
Can you define tunneling?
FRAME FILTERING: The very important task a bridge operates is frame filtering. If both the destination and source are on the same segment, it does not repeat the frame to the
How many ways are there to execute VPN architecture?
Q. Describe the Hardware complexity of Benz Network? Hardware complexity of Benz Network: Benz network employs lesser switches and it gives good connectivity. To come across h
Explain what is digital certificate?
Speed Up:- Speed up is the ratio of the time required to implement a given program using a definite algorithm on a machine with one processor (i.e. T (1) (where n=1)) to the ti
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