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Q. What is Multimode Graded-Index Fiber?
- Ever since the core density decreases with distance from the centre the light beams refract into a curve
- Eliminates problem with a few of the signals penetrating the cladding and being lost
- As well signals intersect at regular intervals
What is the difference among TFTP and FTP application layer protocols? The Trivial File Transfer Protocol (TFTP) permits a local host to get files from a remote host but does n
Source Port Number This fields occupies the first 16 bytes of the UDP header. This fields typically hold the UDP port number of the application sending this datagram. The
Telephone companies (Telco's) stated ATM to meet various goals. It gives universal service for all support and subscribers for all users for video, voice and data. It has a single
Modulation and DeModulation
Future of the intranet At present, the world of information technology is guided bythe C 3 paradigm that stands for Command, Control and Communication, which is normally
Network Devices a.Hub b.Repeater c.Bridge d.Gateway e.Switch f.Router Connecting devices can classified into networking and internetworking devices when
Q. Show Nonreturn to Zero encoding? - Value of signal is for all time positive or negative - NRZ-L Signal level depends on bit represented; positive typically means 0
Q. Presentation layer of osi reference model? - The presentation layer makes sure that the information that the application layer of one system sends out is readable by the app
BRIDGES: A bridge is a hardware device also needed to connect two LAN code segments to extend a LAN. A bridge uses two NICs to connect two code segments. It listens to all tr
Acknowledgment number This 32 bit field defines the byte number that the from the segment is expecting to receive the segment is expecting to receive from the other par
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