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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
State the list of protocols supported by the Intranet The following is the list of protocols supported by the Intranet: ARP: Address resolution Protocol is used to resol
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importance of mail server ,proxy server ,modem ,intranet and web site
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Configure the Logical Topology Step: Configure the host computers. Configure the static IP address, subnet mask, and gateway for every host computer. Note: The followi
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What are the dissimilar ways authentication mechanism in VPN?
What is Frequency borrowing In the simplest case, frequencies are taken from adjacent cells by congested cells. The frequencies can also be assigned to cells dynamically.
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