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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
A method used to standardize and categorize fault-tolerant disk systems. RAID levels give lot of mixes of performance, reliability, and cost. Some servers give three of the RAID le
QUESTION 1. A system analyst has to install a particular type of topology in a textile industry. (a) Describe using diagrams the three most common topologies in terms of nod
I have a project on Information Communication Technology(I.C.T). So sir I want to know that what is internet? and how it works?
The performance of interconnection networks is calculated on the given parameters. Bandwidth: It is a calculated of maximum transmit rate among two nodes. It is calculated i
Q. What is Bus Topology? Multipoint configuration One cable acts like a backbone to link all devices Advantages: Effortlessness of installation and less cabling
Q. Illustrate Keep alive and Time-Waited Timer? Keep alive timer To prevent a long inactive connection between two TCPs - Either client or server crash
Q. What is Transmission Control Protocol? Transmission Control Protocol TCP Services - Stream delivery service Permits the sending process to deliver data as a stream
In RIP why we have HOP count of 15?
What is D-AMPS D-AMPS uses 832 channels (in every direction) with three users sharing a sole channel. This allows D-AMPS to support up to the 2496 users simultaneously per cel
who are experts who lecter on factor price?
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