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What is the disadvantage of a star topology? One major drawbacks of star topology is that once the central hub or switch get damaged, the whole network becomes unusable.
LRC - Performance Detects every burst errors up to length n (number of columns) If two bits in one data unit are damaged as well as two bits in exactly same positions
Q. Explain Simple Mail Transfer Protocol? Electronic Mail -Simple Mail Transfer Protocol (SMTP) is used to support email on the Internet -Addressing consists of two pa
Q. What are the important benefits of computer network? Ans: Important benefits of computer networks are: - Resource sharing - Higher reliability - Higher flexibili
What is the difference among Windows 2000 and Windows 2003?
Q. Explain about Multiplicative Decrease ? Multiplicative Decrease (MD) if a time-out take places the threshold is set to one maximum segment size (TCP Tahoe, TCP Reno).
Q. Explain about Mesh Topology? - Dedicated point-to-point links to each other device - n (n-1)/2 links an every device will have n-1 I/O ports - Advantages - Dedic
Describe in detail with example how data fragmentation works?
Subscriber Database Core network also hosts the subscribers database ( for e, g HLR in GSM systems). Subscriber database is accessed by core network nodes fro funct
Q. What are the Tools sued for Cryptography and Web Security? Tools - Cryptography VPN - remote access PGP - email Dedicated Circuits -tunnels' - IPSec
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