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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
Question : a) In your view, what are the top three strengths and weaknesses of wireless systems? Rank them in order of priority. What can be done to address the weaknesses?
A data link is shared by 20 data sources. Each source is active only 10% of the time and produces 1Mbps data rate when active. The sources start their transmissions at random. a
Question: a) Briefly describe how the file system is organized in Unix. b) What is the importance of the "touch" command. Give one of its disadvantage. c) Name three d
Extranets can also be utilized to link an intranet to the Internet in order that remote offsite access can be built into a company's intranet through an authorized individual. It c
Define the Types of Computer Network Computer networks fall into three classes regarding the size, distance and the structure namely: LAN (Local Area Network), MAN (Metropolita
Network throughput It is a symptomatic measure of the message carrying capability of a network. It is termed as the total number of messages network can send in per unit time.
An FDDI frame or Token Ring frames those points to serious problem with the ring, like a broken cable. The beacon frame carries the address of the station thought to be down.
Determine about the Complete and proper security Complete and proper security configuration and administration is indeed a complex issue. One should think carefully about the
What needs should a VPN fulfill?
What Automatic Repeat Request (ARQ)? Error control is both error detection and error correction. It allows the receiver to inform the sender of any frames lost or damaged in tr
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