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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
Half-Duplex - Capability for data transmission in only single direction at a time among sending station and a receiving station.
explaination of framing in datalink layer .
Why do we require class and how many different parts of class exists?
Identify and briefly explain any four key requirements that need to be examined when considering deploying a WLAN technology.
Q. Show the Vulnerability of the Internet? More vulnerable than private network. Wide inter-network connection. Easy access by mass public world-wide. Lack of build in
Question - 1 Define MIS and its objectives. What are the characteristics of MIS? Question - 2 Explain data processing Question - 3 What are the recent developments in database
What is uniform delivery time A uniform delivery time is required for voice, so amount of jitter in net- work is significant. This could be expressed as standard deviation of d
Define Encoder? A device or program that uses predefined algorithms to encode, or compress audio or video data for storage or transmission use. A circuit that is used to change
How to Perform Basic Switch Configurations Step : Complete basic configuration of switches S1, S2, and S3. Configure the S1, S2, and S3 switches according to the following
What is ESP (Encapsulating Security Payload)?
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