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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
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Persistent and No persistent Connections HTTP can use both persistent and non persistent connection. By defaults uses persistent connections. Persistent Connections
Name some common or popular databases Many of the popular databases also provide support of and to the middleware and consequently, the term middleware has become lesser known.
Can you describe the broader steps of how L2F establishes the tunnel?
- Light source is LED (light-emitting diode) or a laser - LEDs are cheaper however not as precise (unfocused) limited to short-distance use - Lasers is able to have a narrow
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Shared Programming Using Library Routines The most well-liked of them is the use of combo function called fork() and join(). Fork() function is used to make a new child proces
Name the basic components of the router?
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