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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
Describe the literal meaning of the term Intranet The literal meaning of the term Intranet as given in various dictionaries is as follows: In' tra net - n. 1) A network
Question 1: (a) In networking, there are different possible topologies. Explain the Linear bus, Ring and Star topology along with their advantages and disadvantages. (b) W
How receiver detects error The frame is 10011101. The generator is 1001. The message after appending the three zeros is 10011101000. The reminder on dividing 10011101000 by 100
What is Piggy Backing? A process called piggybacking is used to get better the efficiency of the bidirectional protocols. When a frame is carrying data from A to B, it can also
It is an additional 16-bit number which uniquely identifies the specific service on any given machine on the Internet. Port numbers are 16 bit wide, so each of the computers on the
Determine about the infrared spectrum (1) The spectrum for infrared is virtually unlimited, which shows the possibility of achieving extremely high data rates. (2) The infra
This new model of Client/Server having of thin, portable, "universal" clients that talks to superfast servers. In the simple form, a web server returns documents when clients ask f
Default size of frame is 1518 bytes
Q. Basic working of Spanning Tree? Spanning Tree - Redundant bridges may be installed to provide reliability - To prevent infinite looping of packets between bridges,
Question 1 Explain the following with respect to Data Encoding Digital Signaling of Digital Data Digital Signal Encoding Techniques Questi
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