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Q. What is Transmission Media?
- Actually situated below the physical layer
- Directly controlled through the physical layer
- Data should be converted into electromagnetic signals to be transmitted from device to device
- Signals are able to travel through an air, vacuum or other media
- May be in the form of voice, radio waves, power, infrared light, and gamma rays
- All of these forms constitutes a portion of the electromagnetic spectrum
Explain the meaning of Negotiation Negotiation is process of getting both sides to agree on some values or parameters to be used during communication. Maximum packet size is on
What is horizontal and vertical parity A single error can cause both horizontal and vertical parity checks to be wrong. Two errors can also be easily detected. If they are not
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
Local information is immediate hop routing table and distance from every switch. The switches regularly broadcast topology information i.e. distance, destination. Other switches mo
What are the data units at dissimilar layers of the TCP / IP protocol suite? The data unit formed at the application layer is called a message, at the transport layer the data
Q. Describe about Cryptography? - Some media cannot be protected from unauthorized reception (or interception) - Encryption involves transforming the original information in
Difference between synchronous tdm and statistical tdm
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
Question: (a) Explain the usage of the following parts of the IPv4 datagram format. i. VERS ii. HLEN iii. TOTAL LENGTH iv. SERVICE TYPE v. HEADER CHECKSUM (b) Na
Asynchronous or Statistical Time Division Multiplexing As we have seen synchronous TDM does not guarantee that the full capacity of a link in sued. In fact it is more like
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