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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
short note on redhat updation details? why redhat is popular?
Some multiple WAN methods are defined below: ARPANET: It start in 1960's. It was operated by Advanced Research Project Agency, which is a company of US defense department.
High Availability Oracle web cache supports content aware load balancing and fail over detection. The features ensure that cache messes are directed to the most avai
Develop traffic flow mapping and performance requirements for flows. A) Traffic Flow Mapping B) Performance Requirements
Q. Explain the Public-Key Cryptography? Public-Key Cryptography - Each user has the same encryption algorithm and key - Decryption algorithm also key are kept secret
Q. Show the Need for Network Layer? Need for Network Layer - To solve the problem of delivery of data through several links. - Accountable for Host to Host delivery
Ethernet Frame Format Consists of seven fields There is No mechanism for acknowledging received frames considered an unreliable medium
Protocol Layers and their Service Models The internet is an extremely complicated system. It consists of many pieces like numerous applications and protocols various t
State the Nyquist theorem The Nyquist theorem is thermo of mathematics and has nothing to deal with technology. It says that if you have the function whose Fourier spectrum doe
How to start the video encoding in asp.net with c#
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